Journal articles: 'Filmat material'

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Kotlan, Václav, Roman Hamar, Lenka Šroubová, and Ivo Doležel. "Hybrid realization of fillet weld." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 37, no. 4 (July 2, 2018): 1315–27. http://dx.doi.org/10.1108/compel-08-2017-0357.

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Purpose A model of hybrid fillet welding is built and solved. No additional material (welding rod, etc.) is used. Heating of the welded parts is realized by laser beam with induction preheating and/or postheating. The purpose of these operations is to reduce the temperature gradient in welded parts in the course of both heating and cooling, which reduces the resultant hardness of the weld and its neighborhood and also reduces undesirable internal mechanical strains and stresses in material. Design/methodology/approach The complete mathematical model of the combined welding process is presented, taking into account all relevant nonlinearities. The model is then solved numerically by the finite element method. The methodology is illustrated with an example, the results of which are compared with experiment. Findings The proposed model provided satisfactory results even when some subtle phenomena were not taken into account (flow of melt in the pool after irradiation of the laser beam driven by the buoyancy and gravitational forces and evaporation of molten metal and influence of plasma cloud above the irradiated spot). Research limitations/implications Accuracy of the results depends on the accuracy of physical parameters of materials entering the model and their temperature dependencies. These quantities are functions of chemical composition of the materials used, and may more or less differ from the values delivered by manufacturers. Also, the above subtle physical phenomena exhibit stochastic character and their modeling may be accompanied by non-negligible uncertainties. Practical implications The presented model and methodology of its solution may represent a basis for design of welding processes in various branches of industry. Originality/value The model of a complex multiphysics problem (induction-assisted laser welding) provides reasonable results confirmed by experiments.

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Torii, Tashiyuki, and Akira Matsuba. "OS11W0266 Fatigue fracture properties in surface film-bonded materials using pure copper and commercial grade iron films." Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2003.2 (2003): _OS11W0266. http://dx.doi.org/10.1299/jsmeatem.2003.2._os11w0266.

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Butukuri, R. R., V. P. Bheemreddy, K. Chandrashekhara, T. R. Berkel, and K. Rupel. "Evaluation of skin-core adhesion bond of out-of-autoclave honeycomb sandwich structures." Journal of Reinforced Plastics and Composites 31, no. 5 (March 2012): 331–39. http://dx.doi.org/10.1177/0731684412437267.

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Composite sandwich structures offer several advantages over conventional structural materials such as lightweight, high bending and torsional stiffness, superior thermal insulation and excellent acoustic damping. One failure mechanism in a composite sandwich structure is the debonding of the composite facesheets from the core structure. A well-formed adhesive fillet at the interface of the honeycomb core cell walls and the laminate is a significant factor in preventing bond failure. In the present work, honeycomb composite sandwich panels are manufactured using a low-cost vacuum-bag-pressure-only out-of-autoclave manufacturing process. CYCOM®5320 out-of autoclave prepreg is used for the facesheet laminates and FM® 300-2U film adhesive is used for the facesheet-to-core bond. The manufactured composite sandwich panels are of aerospace quality with a facesheet laminate void content of around 1%. In this study, adhesive fillet formation and adhesive mechanical strength are evaluated as a function of several different sandwich construction design variables. Both aluminum and aramid Nomex® honeycomb core materials are considered to study the effect of core cell size and core material. The effect of film adhesive thickness is studied. A process for reticulation of the adhesive is applied and studied. A quantitative investigation of the adhesive fillet geometry is carried out for all the panels. Manufactured panels are evaluated for flatwise tensile strength in accordance with test method ASTM C297. Optimized combinations of core material, core density, cell size and adhesive thickness are identified. Results show that the reticulation process improves fillet formation and increases flatwise tensile properties.

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Saputra, Eka. "Effect of washing time and storage of raw Material on Surimi and Kamaboko of Tilapia (Oreochromis sp.)." Journal of Marine and Coastal Science 7, no. 3 (July 14, 2020): 89. http://dx.doi.org/10.20473/jmcs.v7i3.20733.

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This study aim was to determine the effect of washing and raw materials on frozen storage on the quality of surimi and kamaboko from raw material of tilapia (Oreochromis sp). There were three types of raw materials used, namely minced fish, surimi, and surimi with addition of sorbitol, with three washing treatments and four weeks frozen storage period observed every week. The method used consisted of measurements of pH, water content, bite test, and folding test. Then the results obtained for the best kamaboko tilapia (Oreochromis sp) were obtained from fillet raw materials compared to the raw material of Minced fish and raw materials of Minced Fish + Sorbitol, with a frequency of washing once and frozen storage for 3 weeks.

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García, C., I. Pascual, and A. Fimia. "Obtención de una placa fotosensible como material de registro holográfico." Boletín de la Sociedad Española de Cerámica y Vidrio 39, no. 4 (August 30, 2000): 435–39. http://dx.doi.org/10.3989/cyv.2000.v39.i4.793.

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Kang, Renke, Jinting Liu, Zhigang Dong, Feifei Zheng, Yan Bao, and Jiadong Duan. "An Improved Cutting Force Model for Ultrasonically Assisted Grinding of Hard and Brittle Materials." Applied Sciences 11, no. 9 (April 25, 2021): 3888. http://dx.doi.org/10.3390/app11093888.

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Cutting force is one of the most important factors in the ultrasonically assisted grinding (UAG) of hard and brittle materials. Many theoretical and experimental studies show that UAG can effectively reduce cutting forces. The existing models for UAG mostly assume an ideal grinding wheel with abrasives in both the end and lateral faces to accomplish material removal, whereas the important role of the transition fillet surface is ignored. In this study, a theoretical cutting force model is presented to predict cutting forces with the consideration of the diamond abrasives in the end face, the lateral face, and the transition fillet surface of the grinding tool. This study analyzed and calculated the vibration amplitudes and the cutting forces in both the normal and tangential directions. It discusses the influences of the input parameters (rotation speed, feed rate, amplitude, depth and radius of transition fillet) on cutting forces. The study demonstrates that the fillet radius is an important factor affecting the grinding force. With an increase in fillet radius from 0.2 to 1.2 mm, the grinding force increases by 139.6% in the axial direction and decreases by 70% in the feed direction. The error of the proposed cutting force model is 10.3%, and the experimental results verify the correctness of the force model.

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Sholahuddin, Muhammad Athoillah. "Honey application as a halal replacement material for fillet fish product in transportation." Journal of Halal Product and Research 3, no. 1 (June 3, 2020): 9. http://dx.doi.org/10.20473/jhpr.vol.3-issue.1.9-19.

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Fish is a food that is consumed by many people because fish contain high nutrition. Fillet products are diversification of fishery products that are quite popular with the community. That is because fillet products are easy to consume and have good nutritional content. However, fish fillet products are easily degraded during transportation. So that triggers traders to use hazardous materials in the form of formalin to increase the shelf life of fillet products. The shelf life of fish fillet products needs to be improved in order to obtain good quality and not be easily damaged by storing fillets at low temperatures and the addition of active ingredients in the form of honey. Honey also has antimicrobial properties so that it can be used as a food preservative. Honey can inhibit the growth of bacteria that cause decay. The purpose of this study was to determine the effect of adding honey with different concentrations on the shelf life of white pomfret (Pampus argenteus) fillets at cold temperatures. This research was experimental by making honey solutions with different concentrations (0%: 10%; 11%). This research uses a completely randomized design (CRD). The shelf life test is done by calculating the value of TPC, Protein, pH, Tvbn, and organoleptic. TPC, Protein, pH, TVBN, and organoleptic test results showed that the addition of honey with different concentrations had a significant effect on the shelf life of white pomfret fish fillets. The best concentration of adding honey is at a concentration of 5%. While the shelf life that can be accepted by consumers can reach 6 days shelf life. The results showed that honey can be used as an alternative preservative in fish fillet meat that functions as an antimicrobial and fat oxidation prevention.

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Kıymaz, Tufan. "Baker’s Theory of Material Constitution and Thinking Things into Existence." Filozofia Nauki 26, no. 4 (December 31, 2018): 49–56. http://dx.doi.org/10.14394/filnau.2018.0023.

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FANG, TE-HUA, WIN-JIN CHANG, CHAO-MING LIN, and CHUN-CHIN CHANG. "CYCLIC NANOINDENTATION OF SEMICONDUCTOR AND METAL THIN FILMS." International Journal of Modern Physics B 23, no. 30 (December 10, 2009): 5639–47. http://dx.doi.org/10.1142/s0217979209053643.

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The nanoindentation technique was used to measure the hardness and Young's modulus of semiconductor and metal thin films on a Si(100) substrate under cyclic loading. The results showed that in all instances and at a constant cyclic load that the loading curves overlapped the previous unloading curve and had a small displacement after each cyclic nanoindentation. It was observed that the plastic energies of metal materials from the first loading–unloading cycle were much larger than that observed in semiconductor materials. Furthermore, the hardness and Young's modulus of the thin films decreased when the number of cyclic nanoindentations was increased. The effect of the cyclic loading on the hardness and Young's modulus of semiconductor material was much larger than that of the metal material. Young's modulus, the hardness and the contact stiffness of thin films conform to the relationship that Young's modulus was proportional to the contact stiffness and the square root of the thin film's hardness.

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Bai, Shu Zhan, Yu Ping Hu, Hai Long Zhang, Sheng Wei Zhou, Ying Jun Jia, and Guo Xiang Li. "Failure Analysis of Commercial Vehicle Crankshaft: A Case Study." Applied Mechanics and Materials 192 (July 2012): 78–82. http://dx.doi.org/10.4028/www.scientific.net/amm.192.78.

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A failure analysis has been conducted on a diesel engine crankshaft used in a commercial vehicle, which is made from 42CrMo forging steel, and the crankshaft was after induction hardening process. The fracture occurred between the 4th journal and the 4th crankpin, fracture section indicates that fatigue is the dominant mechanism of failure for this crankshaft. In order to find the failure causes, the dimension of journal boss fillet, material chemical compositions, surface hardness and depth of hardness layer were evaluated. Chemical compositions of crankshaft material, surface hardness and the depth of hardness layer are within the specified range, however the dimension of journal boss fillet is less than specified, and the transition zone of hardness layer was found on the journal boss fillet. Heavy segregation and many non-metallic inclusions aggregate zones were found from metallographic, these would lead to the reduction of endurance bending strength. FEA analysis results suggest that the dimension of journal boss fillet have an important effect on the stress and stress amplitude of the crankshaft. So the disqualification machining and material property are the main causes for the crankshaft fatigue fracture.

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Sinnott, Susan B. "Material design and discovery with computational materials science." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 31, no. 5 (September 2013): 050812. http://dx.doi.org/10.1116/1.4813689.

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Kim, Du-Song, Changmin Pyo, Jaewoong Kim, Jisun Kim, and Hee-Keun Lee. "A Study on Cross-Shaped Structure of Invar Material Using Cold Wire Laser Fillet Welding (PART I: Feasibility Study for Weldability)." Metals 10, no. 10 (October 17, 2020): 1385. http://dx.doi.org/10.3390/met10101385.

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With the need for eco-friendly energy increasing rapidly due to global environmental issues, there is a rapidly increasing demand for liquefied natural gas (LNG). LNG is liquefied at minus 163 degrees Celsius, and its volume decreases to 1/600, giving it a relatively higher storage and transport efficiency than gaseous natural gas (NG). The material for the tanks that store cryogenic LNG must be a material with high impact toughness at cryogenic temperatures. Invar, which contains 36% nickel and has a very low coefficient of thermal expansion, is used for the membranes and corner structures of LNG cargo holds. The cross-shaped Invar structure used in an LNG cargo hold is manufactured through manual tungsten inert gas (TIG) fillet welding, which causes welding distortion and weldability problems. This study is a feasibility study that aims to reduce welding distortion, increase weldability with welding speed, and reduce the steps in an existing process by half by replacing the existing manufacturing method with automatic fiber laser fillet welding. Laser welding using fiber laser parameters are controlled for 1.5 and 3.0 mm thick Invar materials and weldability is secured through cross-section observation. Then, the optimal welding conditions with top and back beads secured are derived through a trial and error method.

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Matsushima, Michiya, Noriyasu Nakashima, Takashi Fujimoto, Shinji Fukumoto, and Kozo Fujimoto. "Effects of Material Property and Structural Design on the Stress Reduction of the Joints in Electronics Devices." Materials Science Forum 783-786 (May 2014): 2765–70. http://dx.doi.org/10.4028/www.scientific.net/msf.783-786.2765.

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Electronics devices consist of silicon chips, copper leads, substrates and other parts which are jointed to each other with solder, conductive adhesive or other materials. Each coefficient of thermal expansion is different and it causes strain concentrations and cracks. We analytically investigated the stress reduction structure at the edge of the joints such as Sn-Ag-Cu solder or Cu/Sn alloy between the silicon chip and copper lead. At first, we examined the influence of the joint thickness and fillet at the joint edge on the stress. In the joint without fillet, the stress at the end of the joint increased depending on the thickness of the joint. The fillet of the joint increased the stress of the Cu/Sn alloy joint and the stress was increased depending on the thickness, though the fillet decreased the stress of the solder joint. We suggested the copper lead with slits to reduce the force of constraint. We compared the effects of the structure parameters of the slits on the stress reduction. The height was a more effective parameter than the width and the pitch. In the case of solder joint, the slits of the copper lead reduce the stress more effective in the thick joint than the thin joint. However, in the case of Cu3Sn joints, the slits reduced the stress more effectively in the thin joint than thick joint.

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Mochizuki, M., and M. Toyoda. "Thermal stress history in high-tensile strength steels during weld process." Journal de Physique IV 120 (December 2004): 635–48. http://dx.doi.org/10.1051/jp4:2004120073.

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Thermal and residual stresses in High-Tensile Strength Steels during weld process are numerically simulated considering phase transformation effect. Fundamental study for the history of thermal stress due to phase transformation and residual stress during welding heat cycles is studied in order to investigate the generating mechanism of residual stress and the effects of material properties on stress generation. Two materials of high-tensile strength steels are used in the numerical simulation and experiment. Material property of each microstructural phase is used and the time- and temperature-dependant proportion of microstructure are considered by using CCT-diagram in the analysis. Thermal stress history obtained by the simulation agrees well with the experimental result during welding heat cycles. Some applications to repair welds and fillet-weld joints of the analytical method are then introduced.

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Kyungmin Chung. "The Matter of Filial piety and Maternal instinct in Filial piety tale of sacrificing offspring." Korean Classical Woman Literature Studies ll, no. 24 (June 2012): 5–42. http://dx.doi.org/10.17090/kcwls.2012..24.5.

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Guillén, C., J. Herrero, M. T. Gutiérrez, and F. Lucas. "Materiales en lámina delgada sobre sustratos cerámicos para aplicaciones fotovoltaicas." Boletín de la Sociedad Española de Cerámica y Vidrio 44, no. 1 (February 28, 2005): 5–8. http://dx.doi.org/10.3989/cyv.2005.v44.i1.396.

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Han, Zhi Xin, Shao Feng Wang, Jin Xia Du, and Bing Liu. "On Stress Concentration Character at the Abnormal Cross-Section of the Concentric Shaft with Bigger Diameter Ratio." Key Engineering Materials 353-358 (September 2007): 2762–65. http://dx.doi.org/10.4028/www.scientific.net/kem.353-358.2762.

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Aiming at the concentric shaft of the abnormal cross-section where there are two types of the concave fillet and the convex fillet and whose diameter ratio is bigger than 2, a 3D finite element computing model was constructed, and the stress and the strain is computed by means of software ANSYS8.0, and a stress concentration coefficient graph is found through comparing the result computed by FEM and by the method of material mechanics. It is concluded that the most important factors effecting the stress concentration are the type and radius of the transition fillet.

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Jin, Jie, and Xin He. "The Numerical Simulation of Air Bulge Forming of Profiled Can." Advanced Materials Research 97-101 (March 2010): 2774–78. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.2774.

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Air bulge forming is a forming process where an inner pressure deforms the material to the shape of a die cavity. The main concerns about such a process of profiled cans are to avoid wall thickness reduction, wrinkling and bursting. The success of this process strongly depends on the choice of process parameters, i.e. the properties of material, thickness and inner pressure. By transforming the problem into a deformation controlled rather than a force controlled process, the results from the process parameter estimation become more reliable but on the other hand less intuitive. In this context, the influence of materials, friction coefficient, transitional fillet radius, thickness and bulging load are studied and some suited technological parameters and forming rules are obtained. The most important point is that the simulation and results of experiments are probably consistent.

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Lesik, Dale F., and D. J. Laurie Kennedy. "Ultimate strength of fillet welded connections loaded in plane." Canadian Journal of Civil Engineering 17, no. 1 (February 1, 1990): 55–67. http://dx.doi.org/10.1139/l90-008.

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Fillet welded connections are frequently loaded eccentrically in shear with the externally applied load in the same plane as the weld group. While some current design tables are based on ultimate strengths, methods of analysis that incorrectly mix inelastic and elastic approaches are still used. These methods give conservative and variable margins of safety. Design standards generally use a lower-bound approach basing strengths on the longitudinal value neglecting, conservatively, the increase in strength for other directions of loading. The factored resistance of fillet welds, as a function of the direction of loading, is established based on ultimate strength expressions developed herein and using geometric, material variations, and test-to-predicted ratios reported in the literature. Factored resistances of eccentrically loaded fillet weld groups are established. These are basesd on the method of instantaneous centres, ultimate strengths, and the load–deformation expressions developed herein that are functions of the angle of loading. Also, statistical data on geometry, material variations, and the comparison of predicted strengths with the full-scale test results of others are used. Tables of design coefficients giving factored resistances for various eccentrically loaded fillet welded connections are developed. The coefficients, on the average, are essentially the same as those in current design tables. Key words: connections, design tables, eccentric, fillet welds, limit states, ultimate strength.

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Sapanathan, Thaneshan, Raafat Ibrahim, Shahin Khoddam, and Saden H. Zahiri. "Numerical Modeling to Determine Test Conditions of Shear Blanking Test for a Hybrid Material." Advanced Materials Research 1016 (August 2014): 125–29. http://dx.doi.org/10.4028/www.scientific.net/amr.1016.125.

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A dedicated blanking test (DBT) was designed to measure the bonding shear strength of a metallic hybrid sample. To identify the required design parameters of the rig, a macro numerical model was developed using Abaqus Finite element (FE) package. Copper clad aluminum hybrid samples fabricated by an axi symmetric forward spiral composite extrusion (AFSCE) process were analyzed using the developed numerical model. The effect of the design parameters including sample thickness, blanking clearance and the die and punch fillet radii were determined to ensure a pure shear blanking along the interface. The numerical results showed that the sample thickness, clearance and fillet radii have a significant effect on the measured bond shear strength and the location of the failure. The required rig was designed and composite copper clad aluminum bonding shear strength was experimentally determined based on the numerical findings.

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Phumprasop, Kanokploy, Dai Yamamoto, Noriyuki Yamada, and Hirokazu Tanaka. "Influence of the Mg and Bi content on brazeability of MONOBRAZE material under flux-free brazing conditions." MATEC Web of Conferences 326 (2020): 08003. http://dx.doi.org/10.1051/matecconf/202032608003.

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In the conventional brazing, the clad materials with the filler layer and the flux coating have been used to get good brazeability. However, an innovative Al-Si based single-layer brazing material (MONOBRAZE® material) has been developed recently which does not need filler layer by supplying molten filler from the inside of the material during brazing. In addition, a new flux-free brazing technique has also been developed. In the flux-free brazing, Mg and Bi are added to break the oxide film and to improve the wettability of molten filler, respectively. However, it is not clarified how these element works on the brazeability of MONOBRAZE® material in flux-free brazing. Therefore, in this study the effect of Mg and Bi content on the brazeability of MONOBRAZE® material was investigated. From the result, it is found that MONOBRAZE® material is applicable for flux-free brazing by adding Mg. Mg is considered to break the oxide film into fine particles and Bi is considered to assist the destruction of oxide film. From this cause, a new aluminum substrate surface was exposed which allow molten filler to move on the surface and contribute to the formation of the fillet.

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Evans, Daniel D., and Zeger Bok. "AuSi and AuSn Eutectic Die Attach Case Studies from Small (12 mil) to Large (453 mil) Die." International Symposium on Microelectronics 2010, no. 1 (January 1, 2010): 000898–905. http://dx.doi.org/10.4071/isom-2010-tha4-paper5.

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High power transistor, laser, and LED devices require packaging to remove thermal energy from the die. Although some silver filled epoxies provide thermal conductivity approaching 60 W/mK, AuSi and AuSn solder have long proven superior thermal performance. Materials such as Si and GaAs on CuW and GaN on SiC will be discussed in three case studies for die sizes ranging from 12 × 21 × 4 mil thick to 453 × 274 × 12 mil thick, using AuSi or AuSn eutectic die attach processes. The cases provide an overview of material selection and methods for optimized utilization of eutectic solders. Bond quality metrics such as fillet, voiding, and shear will also be covered in this paper.

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Gvozdeva, Yelena Vladimirovna. "Still Life in the Space of the Film." Journal of Flm Arts and Film Studies 3, no. 2 (May 15, 2011): 65–72. http://dx.doi.org/10.17816/vgik3265-72.

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The article deals with the role of the still life in the film's visual treatment and analyses the possible ways of the cinematic usage of an object. Two main tendencies - semantic and visual - are singled out. An object (or a still life as a collection of objects) is treated as one of the elements forming the film's visual environment. The problem is considered on the material of the Russian cinema of the 1960s-1980s.

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Timoshenkova, I. A., and Y. G. Bazarnova. "Technology of fish semi-finished products using antimicrobial compositions with organic acids and salts." Proceedings of the Voronezh State University of Engineering Technologies 81, no. 1 (July 18, 2019): 94–98. http://dx.doi.org/10.20914/2310-1202-2019-1-94-98.

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The actual problem of business is the low quality of fish raw materials due to the delay in deliveries from the manufacturer. The search for new technological solutions to extend the shelf life of fish raw materials due to the reduction of microbiological contamination is relevant. A technology is proposed for the production of natural fish semi-finished products using antimicrobial compositions based on organic acids and salts. Chilled carcasses, semi-finished products of trout (fillet with skin) and antimicrobial agents based on organic acids and salts (Dilactopolydon (DLP) and Dilactin Forte Plus (DFP) were used as objects of research. The choice of the most effective concentration of the DLP solution for processing trout carcasses was carried out using the mathematical method of a single-factor experiment and the Statgraphics Centurion computer program. Regression equations with high correlation coefficients are obtained. The most effective concentration of DLP during processing of trout carcasses before cutting into a piece of fillet with peel was set at 2% when the ratio of raw material to the additive solution was 1: 1 and aged for 20 minutes. This reduces the risk of re-contamination of fish carcasses during cutting due to the retention of the active components of DLP on the surface of the capillaries of the muscle tissue of the fish. A method for processing fish raw materials and natural semi-finished products with antimicrobial compounds DLP and DFP has been developed, which allows maintaining the quality of cooled semi-finished products for 13 days. This ensures a shelf life of 10 days. The developed technology has been tested under production conditions..

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Khalaph, Kawther A. "Lead-free Two-dimensional Perovskite Solar Cells Cs3Fe2Cl9 Using MgO Nanoparticulate Films as Hole Transport Material." NeuroQuantology 18, no. 2 (February 28, 2020): 127–32. http://dx.doi.org/10.14704/nq.2020.18.2.nq20137.

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Tanaka, Keisuke, and Hirohisa Kimachi. "OS8-37 Fatigue Properties of Nano-Crystalline Nickel Films Made by Electrodeposition(Advanced materials,OS8 Fatigue and fracture mechanics,STRENGTH OF MATERIALS)." Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2015.14 (2015): 147. http://dx.doi.org/10.1299/jsmeatem.2015.14.147.

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Wright, A. D., and M. G. Neuffer. "Orange Pericarp in Maize: Filial Expression in a Maternal Tissue." Journal of Heredity 80, no. 3 (May 1989): 229–33. http://dx.doi.org/10.1093/oxfordjournals.jhered.a110840.

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Bourguignon, Ana Maria, Zulmira Hartz, and Dirceia Moreira. "Vigilância Sanitária e segurança da atenção materna e neonatal: proposta de modelo lógico." Vigilância Sanitária em Debate: Sociedade, Ciência & Tecnologia 8, no. 4 (November 30, 2020): 65–73. http://dx.doi.org/10.22239/2317-269x.01657.

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Introdução: A promoção da segurança do paciente em serviços de atenção materna e neonatal constitui área prioritária para a política de saúde no Brasil, porque contribui para a redução da morbimortalidade de mulheres e recém-nascidos. Objetivo: Elaborar um modelo lógico com base no manual Serviços de Atenção Materna e Neonatal: Segurança e Qualidade, no qual a Agência Nacional de Vigilância Sanitária compila recomendações específicas para os serviços cujo público-alvo são mulheres em estado gravídico e puerperal, bem como seus filhos e filhas. Método: Trata-se de um estudo qualitativo, descritivo, que utilizou como procedimento metodológico a análise documental. A avaliação normativa procurou responder a um roteiro com doze questões elaboradas por Bezerra et al. para modelização de programas. Resultados: Foi evidenciada a necessidade de integração entre Vigilância Sanitária e os serviços de assistência obstétrica e neonatal, para que os efeitos almejados sejam alcançados. Conclusões: O modelo lógico proposto pode ser uma ferramenta útil, tanto para a organização e permanente monitoramento dos serviços, como para os profissionais que atuam na Vigilância Sanitária. Além de potencializar o reconhecimento da contribuição da vigilância sanitária para a promoção da saúde materno-infantil.

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Slack, Trevor S., Nihar Raje, Farshid Sadeghi, Gary Doll, and Michael R. Hoeprich. "EHL Modeling for Nonhomogeneous Materials: The Effect of Material Inclusions." Journal of Tribology 129, no. 2 (January 2, 2007): 256–73. http://dx.doi.org/10.1115/1.2540234.

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Inclusions are common in bearing materials and are a primary site for subsurface fatigue crack initiation in rolling element bearings. This paper presents a new approach for computing the pressure, film thickness, and subsurface stresses in an elastohydrodynamic lubrication (EHL) contact when inclusions are present in the elastic half-space. The approach is based on using the discrete element method to determine the surface elastic deformation in the EHL film thickness equation. The model is validated through comparison with the smooth EHL line contact results generated using linear elasticity. Studies are then carried out to investigate the effects of size, location, orientation, and elastic properties of inclusions on the EHL pressure and film thickness profiles. Both inclusions that are stiffer than and/or softer than the base material are seen to have effects on the pressure distribution within the lubricant film and to give rise to stress concentrations. For inclusions that are stiffer than the base material (hard inclusions), the pressure distribution within the lubricant film behaves as though there is a bump on the surface, whereas for inclusions that are less stiff than the base material (soft inclusions), the pressure distribution behaves in a manner similar to that of a dented surface. Inclusions close to the surface cause significant changes in the contact stresses that are very significant considering the stress life relationship. For inclusions that are located deep within the surface, there is little change in the EHL pressure and film thickness.

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Blust, Evangelina P. Novero, and Rick J. Scheidt. "Perceptions of Filial Responsibility by Elderly Filipino Widows and Their Primary Caregivers." International Journal of Aging and Human Development 26, no. 2 (March 1988): 91–106. http://dx.doi.org/10.2190/qfq6-08a7-k3x6-f0px.

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This study assessed perceptions of filial responsibility among forty older Filipino mothers and their primary caregiver daughters from two urban and two rural barangays in the town of Los Banos (39 miles southeast of Manila). Using parallel standard structured interview measures, perceptions of filial expectations and filial behaviors were gathered across five categories of parental support: financial and material aid; personal care; service provision; respect; and warmth and affection. Intragenerational comparisons (analyses of variance) showed that widows' reports of actual amount of support received significantly exceeded their expectations for most forms of aid. In contrast, daughters' expectations for level of parental support exceeded their behaviors, but only for the more instrumental forms of aid. Intergenerational comparisons ( t-test analyses) revealed that daughters held reliably higher filial expectations for almost all forms of support than did their mothers. Comparisons of reports of actual support showed intergenerational consensus on the whole. Implications of these data for research and intervention in this area are discussed.

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Wibawa, Lasinta Ari Nendra. "Studi Numerik Pengaruh Radius Fillet dan Ketebalan Cap terhadap Tegangan Von Mises dan Faktor Keamanan Silinder Berdinding Tipis untuk Tabung Motor Roket." Jurnal Rekayasa Mesin 15, no. 1 (April 23, 2020): 1. http://dx.doi.org/10.32497/jrm.v15i1.1782.

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Motor roket adalah bagian penting dari roket. Motor roket bekerja menggunakan prinsip bejana tekan karena bekerja di lingkungan dengan tekanan dan suhu tinggi. Makalah ini menyelidiki tegangan von Mises yang terjadi dalam silinder berdinding tipis untuk tabung motor roket dan faktor keamanan karena pengaruh radius fillet dan ketebalan cap. Dimensi panjang silinder adalah 400 mm, diameter luar 122 mm, dan ketebalan dinding 5 mm. Radius fillet divariasikan 2, 4, 6, dan 8 mm, sedangkan ketebalan cap divariasikan 5 dan 10 mm. Silinder berdinding tipis dikenai tekanan internal konstan yaitu 6 MPa. Analisis tegangan dilakukan menggunakan metode elemen hingga dengan perangkat lunak Ansys Workbench 2019 R3. Perbandingan nilai tegangan hoop dan longitudinal antara perhitungan analitik dan simulasi digunakan untuk proses verifikasi. Hasil simulasi menunjukkan bahwa ketika radius fillet dan ketebalan cap meningkat, tegangan Von Mises menurun. Material memiliki faktor keamanan lebih tinggi dari 1,25 ketika ketebalan cap 10 mm dengan radius fillet 4, 6, dan 8 mm.

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Mraz, Lubos, Leif Karlsson, Miroslav Vrána, and Pavol Mikula. "Residual Stress Distributions at High Strength Steel Welds Prepared by Low Transformation Temperature (LTT) and Conventional Welding Consumables." Materials Science Forum 777 (February 2014): 40–45. http://dx.doi.org/10.4028/www.scientific.net/msf.777.40.

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Residual stress distributions in fillet welds in 8 mm 900 MPa steel have been mapped perpendicular and parallel to the weld line and also through the thickness in the vicinity of weld toe position. Measurements were carried out on four welds when two of them were performed with conventional and two with the so called LTT (low transformation temperature) filler materials. Both neutron and X-ray diffractions were used for determination of the residual stress distribution. Fatigue properties have also been evaluated for all test welds. Neutron diffraction measurements showed that the stress profiles perpendicular to the weld toe qualitatively did not depend on filler material type although the absolute stress levels differed. Trends were similar for positions 2, 4 and 6 millimetres below the surface for all three stress components; σx (direction perpendicular to the weld), σy (parallel to the weld) and σz (through the thickness). X-ray diffraction showed difference in residual stress level at the weld toe. Lower residual stress levels have been identified for LTT filler material when compared to the conventional consumable compositions. The effect of residual stress is discussed in relation to fatigue properties of all four welds. Remarkable higher fatigue strength has been measured for welds prepared by the LTT filler materials.

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Treutler, Kai, Swenja Kamper, Marcel Leicher, Tobias Bick, and Volker Wesling. "Multi-Material Design in Welding Arc Additive Manufacturing." Metals 9, no. 7 (July 22, 2019): 809. http://dx.doi.org/10.3390/met9070809.

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Due to the inherent properties of the process, arc-based generative manufacturing offers the possibility, of specifically applying different material properties locally. One possibility to realize this is the use of different materials. Three approaches are presented to illustrate this option. First, anisotropic behavior in the welding direction is generated. For this purpose, a FeNi36 is specifically combined with a low-alloy ultra-high-strength fine-grained structural steel filler metal. It will be shown that the integral component properties can be specifically adjusted in the welding direction. In addition, the metallurgical and welding characteristics will be discussed. As a second possibility, the use of well plasticizable materials to locally increase the material strength under cyclic loading with locally notched components is presented. For this purpose, an austenitic FeNi36 with good plasticizability and a good yield strength ratio for the application was applied to a fillet weld of a high-strength fine-grained structural steel in the weld seam toe. It is shown that the tolerable cyclic load can be improved by 35% by this procedure. Thirdly, it is shown that the required thickness of corrosion protection layers can be reduced by 50% through a targeted production sequence in arc-based generative manufacturing.

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Huh, Yong-Hak, Dong-Iel Kim, Dong-Jin Kim, Yun-Hee Lee, and Chang-Doo Kee. "P-38 Measurement of micro-tensile properties of Copper film material by bulge test." Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2007.6 (2007): _P—38–1_—_P—38–4_. http://dx.doi.org/10.1299/jsmeatem.2007.6._p-38-1_.

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Oliver, Mark, and Nagi Elabbasi. "Multiphysics Modeling of Underfill Flow and Cure during Thermocompression Bonding." International Symposium on Microelectronics 2015, no. 1 (October 1, 2015): 000526–29. http://dx.doi.org/10.4071/isom-2015-wp65.

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We present a model of fillet formation and cure during thermocompression bonding with a non-conductive film. Process variables in the model include the position and temperature profiles applied to the silicon die and substrate by the bonding tool. The chemorheology of the underfill is accounted for in order to track the degree of cure of the material and its impact on dynamic viscosity. Simulation predictions of how the underfill chemorheology impacts the fillet shape and level of cure advance during the processes are presented.

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Barbier, Christophe, Per-Lennart Larsson, Sören Östlund, Nils Hallbäck, and Michael Karathanasis. "On material characterization of paper coating materials by microindentation testing." Journal of Coatings Technology and Research 2, no. 6 (April 2005): 463–71. http://dx.doi.org/10.1007/bf02733889.

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Krejsa, Martin, Jiri Brozovsky, David Mikolasek, Premysl Parenica, Libor Zidek, and Jaroslav Kozak. "An Experimental Testing of Fillet Welded Specimens." Applied Mechanics and Materials 752-753 (April 2015): 412–17. http://dx.doi.org/10.4028/www.scientific.net/amm.752-753.412.

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The paper describes the experimental tests of steel bearing elements, which were aimed at obtaining material, geometric and strength characteristics of the fillet welds. Preparation of experiment consisted in defining of numerical models of tested samples using FEM analysis and the commercial software ANSYS. Data obtained from described experimental tests are necessary for further numerical modelling of stress analysis of steel structural supporting elements.

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Fois, N., M. Watson, and MB Marshall. "The influence of material properties on the wear of abradable materials." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 231, no. 2 (August 5, 2016): 240–53. http://dx.doi.org/10.1177/1350650116649528.

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In aero-engines it is possible for the blades of the compressor, turbine or fan to incur into their casings. At these interfaces a lining of composite abradable material is used to limit damage to components and thereby sustain the efficiency and longevity of the engine as a whole. These composite materials must have good abradability and erosion resistance. Previously, the wear mechanisms at the contact between the blade and the coating have been characterised using stroboscopic imaging and force measurement on a scaled test-rig platform. This work is focused on the characterisation of the wear mechanism for two different hardnesses of abradable lining. The established stroboscopic imaging technique and contact force measurements are combined with sectioning of the abradable material in order to analyse the material’s response during the tests. A measure of the thermal properties and the resulting temperature of the linings during the test have also been made to further understand the effect of coating hardness. The wear mechanism, material response, contact force and thermal properties of the coating have been used to characterise the different material behaviour with different hardness. At low incursion rates, with a soft coating, the blade tip becomes worn after an initial adhesive transfer from the coating. Post-test sectioning showed blade material and significant compaction present in the coating. The harder coating produced adhesion on the blade tip with solidification observed in the coating. Thermal diffusivity measurements and modelling indicated that thermally driven wear observed was as a consequence of the increased number of boundaries between the metal and hBN phases present interrupting heat flow, leading to a concentration of surface heat. At higher incursion rates, the wear mechanism is more similar between the coatings and a cutting mechanism dominates producing negligible adhesion and blade wear.

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Kas’yanenko, Ivan, Halyna Neskorozhena, and Viktor Kramarenko. "Influence of Filling on Water Uptake of Films Based on Water-Borne Coating Materials." Chemistry & Chemical Technology 12, no. 4 (December 10, 2018): 466–72. http://dx.doi.org/10.23939/chcht12.04.466.

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Zhang, Wo Bo. "Matching Relationship between Shaft Material and Fatigue Properties under Complex Loading Condition." Advanced Materials Research 500 (April 2012): 484–88. http://dx.doi.org/10.4028/www.scientific.net/amr.500.484.

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According to analyzing the influence factors of shaft fatigue properties, the matching relationships between fatigue properties and shaft material as well as other relevant factors have been investigated. And the matching relationships have been demonstrated via experimentation. A useful method is established to enhance material fatigue toughness. Considering the aspects of safety, economy and the requirement of fatigue strength, when the dimension of the structure could not be changed, the fatigue properties can be improved via increasing the fillet of the shaft. And 45 carbon steel is a highly recommended shaft material.

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Rafanelli, A. J. "Solder Fillet Height Criteria for Surface Mounted Chip Components." Journal of Electronic Packaging 111, no. 4 (December 1, 1989): 299–302. http://dx.doi.org/10.1115/1.3226551.

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An evaluation has been performed to determine the effects of solder joint fillet height variations of blue tantalum chip capacitors (CWR06) when exposed to thermal shock. Capacitors were soldered to ceramic multilayer interconnect boards (MIBs) used on U.S. Navy Format D standard electronic modules (SEM). Three fillet heights were tested; 100 percent of the capacitor height, 50 percent of the capacitor height, and a minimum amount to wet the bottom edges and face of the components. Results showed that components with 50 percent and minimum wetting solder disclosed no detrimental conditions whereas those with the 100 percent fillet height showed cracks in the MIB material during and at the end of 125 cycles of thermal shock. Accordingly, it is concluded that the maximum desired solder joint fillet height for chip capacitors mounted on ceramic substrates is fifty percent (50 percent) of the component height. This conclusion agrees with research on ceramic chip components mounted on organic substrates in which the desirable condition is to have low solder volumes.

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Kuluev, Azat R., Rustam T. Matnijazov, Bulat R. Kuluev, and Alexey V. Chemeris. "A molecular genetic research of the Triticum sinskajae A. Filat. et Kurk. by RAPD analysis and by comparing the nucleotide sequences of the variable intergenic region of the petN-trnC-GCA chloroplast genome and intron of the histone H3.2 gene." Ecological genetics 16, no. 1 (March 15, 2018): 53–59. http://dx.doi.org/10.17816/ecogen16153-59.

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Background. Triticum sinskajae A. Filat. et Kurk. was discovered in the early 70th in the last century at the regular reproduction in the Central Asian and Dagestan VIR-stations of T. monococcum samples. Materials and methods. The objects of the study were 4 species of diploid wheat — Triticum urartu Thum. ex Gandil. (lines k-62477, k-62465), Triticum monococcum L. (lines k-20970, k-39471), Triticum boeoticum Boiss. (lines k-59161, k-28132, k-40118) and Triticum sinskajae A. Filat. et Kurk. (line k-48993). Results. We found differences between T. sinskajaeand T. monococcum in the variable region of the histone gene H3.2, and the RAPD analysis showed the presence of unique polymorphic loci in T. sinskajae. Conclusion. In gene ral, T. boeoticum, T. monococcum, and T. sinskajae are most likely to be closely related species of diploid wheat, whereas T. urartu is quite significantly different from them.

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Zhang, Chaofeng, Chen Shixi, Xuchuan Lin, Junhua Zhao, and Quanlong Wang. "Effect of T-Shape Shoulder Fillet on the Plastic Deformation Properties of SS400 and LYS160 Steel." Materials 13, no. 7 (March 26, 2020): 1528. http://dx.doi.org/10.3390/ma13071528.

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Shoulder fillets are widely used in the structural optimization design of metal dampers. However, the plastic deformation property of dampers affected by stress concentration, owing to different fillets, has not been explored in-depth. In this study, two typical metal damper materials with different plastic deformation, i.e., ordinary steel SS400 and low-yield-strength steel LYS160, were investigated. The strengthening effect of fillets under different loading is evaluated by comparing the mechanical properties of different fillet heights. Furthermore, the effect of the stress concentration caused by different fillet shapes, based on the failure mode of materials, is discussed. Subsequently, the fatigue degradation effect under the reciprocating shear loading is studied. Based on a series of studies on the deformation properties of fillets in different ductile materials, the basis for the structural optimization design under plastic deformation is provided.

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Santos Neto, Crystiane Hereny dos, Fábio Sagula Oliveira, Graciele Fernanda Gomes, Edward Araujo Júnior, Mary Uchiyama Nakamura, and Eduardo de Souza. "Type of Childbirth and its Association with the Maternal-Filial Interaction." Revista Brasileira de Ginecologia e Obstetrícia / RBGO Gynecology and Obstetrics 42, no. 10 (June 19, 2020): 597–606. http://dx.doi.org/10.1055/s-0040-1712133.

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Abstract Objective The purpose of the present study was to evaluate the quality of mother-child bonding in three different contexts related to the labor, that is, vaginal delivery, elective cesarean section, and intrapartum cesarean section. Methods This was an observational, cross-sectional clinical study conducted in two cities within the state of São Paulo, Brazil. The study sample consisted of 81 babies born without any major complications during pregnancy and labor, aged 3 to 4 months, and their respective mothers, aged between 20 and 35 years old, primiparous, living in the cities of Palmital and Ourinhos, state of São Paulo, Brazil. The evaluation of the quality of the maternal-filial interaction was performed through video-image analysis, using the Mother-baby Interaction Observation Protocol from 0 to 6 months (POIMB 0–6, in the Portuguese acronym). Results Mothers who had vaginal delivery had higher amount of visual contact or attempted visual contact (p = 0.034), better response to the social behavior of the child (p = 0.001) and greater sensitivity (p = 0.007) than the others. Their children also showed more interaction with them, as they looked more frequently at the mother's face (p ≤ 0.008) and responded more frequently to the mother's communicative stimulus (p < 0.001). Conclusion Considering the occurrence of vaginal delivery, it is concluded that the interaction between the mother-child dyad is quantitatively larger and qualitatively better when compared with intrapartum or elective cesarean section.

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De Antoni, Clarissa, Maria Angela Mattar Yunes, Luisa Habigzang, and Sílvia Helena Koller. "Abuso sexual extrafamiliar: percepções das mães de vítimas." Estudos de Psicologia (Campinas) 28, no. 1 (March 2011): 97–106. http://dx.doi.org/10.1590/s0103-166x2011000100010.

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Abuso sexual extrafamiliar é uma forma de violência em que crianças e adolescentes são vitimizados por adultos sem laços parentais. A análise ecológica permite observar esse fenômeno de forma multicausal e compreender interações de risco e proteção em contextos variados. Participaram deste estudo qualitativo três mães de meninas que foram vítimas desse tipo de abuso. O instrumento utilizado foi uma entrevista semidirigida. Os resultados revelaram aspectos semelhantes aos encontrados no abuso intrafamiliar: síndrome do segredo, gratificação secundária e singularidades de interação e organização das famílias. Há elementos semelhantes nas infâncias de mães e filhas: perda dos pais, contínua privação material e sofrimento por abandono e maus tratos. Quanto à percepção da situação abusiva, as mães culpam as filhas, apontando suas características de "fraqueza" ou "impulsividade" e não responsabilizam o agressor, o que fomenta a vulnerabilidade das filhas diante de situações de abuso.

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Bagnall, Neil, Xin-Ding Wang, Graham N. Scofield, Robert T. Furbank, Christina E. Offler, and John W. Patrick. "Sucrose transport-related genes are expressed in both maternal and filial tissues of developing wheat grains." Functional Plant Biology 27, no. 11 (2000): 1009. http://dx.doi.org/10.1071/pp00012.

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In developing wheat grains (Triticum turgidum var. durum cv. Fransawi), post-sieve element transport of phloem-imported photoassimilates (sucrose) includes membrane transport, to and from the grain apoplasm, between symplasmically-isolated maternal and filial tissues. The cellular location and mechanism of these membrane transport steps were explored during rapid grain fill. Genomic Southern analysis indicated the presence of a multigene family of sucrose/H + symporters (SUTs). One or more SUTs were highly expressed in developing grains, as were P-type H + /ATPase(s) and a sucrose binding protein (SBP). Transcripts of these genes were detected in vascular parenchyma, nucellar projection and aleurone cells. Antibodies, raised against a SUT, an H + /ATPase and a SBP, were selectively bound to plasma membranes of vascular parenchyma cells, nucellar projection transfer cells and modified aleurone/sub-aleurone transfer cells. The nucellar projection transfer cells and modified aleurone/sub-aleurone transfer cells exhibited strong proton pumping activity. In contrast, SUT transport function was restricted to filial tissues containing modified aleurone/sub-aleurone transfer cells. Based on these findings, we conclude that SUTs expressed in maternal tissues do not function as sucrose/H + symporters. Membrane exchange from nucellar projection transfer cells to the endosperm cavity occurs by an as yet unresolved mechanism. Sucrose uptake from the endosperm cavity into filial tissues is mediated by a SUT localised to plasma membranes of the modified aleurone/sub-aleurone transfer cells.

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Price, E. O., V. M. Smith, J. Thos, and G. B. Anderson. "The effects of twinning and maternal experience on maternal-filial social relationships in confined beef cattle." Applied Animal Behaviour Science 15, no. 2 (May 1986): 137–46. http://dx.doi.org/10.1016/0168-1591(86)90059-6.

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Dementieva, Natalia, Tatyana Boitsova, Elena Fedoseeva, and Polina Krugovaya. "Influence of the Technological Cycle «Fixing» on the Quality Characteristics of Pollock Fillets (Theragra Chalcogramma)." Food Industry 5, no. 3 (September 21, 2020): 97–104. http://dx.doi.org/10.29141/2500-1922-2020-5-3-11.

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Pollock (Theragra chalcogramma) remains one of the main fishing objects in the far Eastern region. The most popular product on both the domestic and international markets is fillet, when it is frozen it can be used to produce a wide range of finished products. The main technology for obtaining iced fillet consists of its production in a fixed or loose form. A man conducts the operation «fixed fillet» immediately after filleting fresh fish by irrigation or immersion in a cold 10 % solution of table salt. The research purpose was to determine changes in the quality characteristics of fixed and unfixed Pollock fillets during cold storage. The research object was refrigerated fixed and unfixed fillet of Pollock stored at a temperature below minus 18 degrees for up to 26 weeks. During storage the authors run organoleptic assessment on refrigerated, defrosted fillets after the cooking test. The results are the following: after 6 weeks of storage the organoleptic quality indicators are quite stable for all types of fillets; after 14 weeks there is a 40 % decrease in the overall score for the fixed fillet; moreover, there are the main changes in the samples after cooking for the most significant organoleptic indicators: color, taste, smell, consistency. After 14 weeks of storage the quality indicators of loose fillets remained almost unchanged. By the 14th week of storage the freshness value coefficient of the fixed fillet increases almost 3 times (from 14.8 to 40.0), i.e. a man can consume the fish only after mandatory cooking. The study identified that the operation of fixing fillet preserved the fillet block integrity, giving greater mechanical strength to the fillets, reducing the tissue juice loss, but it is inferior in organoleptic parameters to the loose fillet during storage reducing its shelf life. According to the experiment results, the researchers recommend a storage period for fixed frozen fillet of Pollock – up to 5 months, for loose fillet – up to 7 months without considering packaging materials.

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Pantelić, Ivana, Snežana Savić, Jela Milić, and Gordana Vuleta. "Film-forming materials in contemporary formulations of cosmetic products." Arhiv za farmaciju 68, no. 1 (2018): 46–64. http://dx.doi.org/10.5937/arhfarm1801046p.

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Zhang, Jun. "(Extended) Family Car, Filial Consumer-Citizens." Modern China 43, no. 1 (August 1, 2016): 36–65. http://dx.doi.org/10.1177/0097700416645138.

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This article offers a glimpse into the mutually constructive process of the making of class, family, and state in a new material world. Relying on a decade of field research, I illustrate that a middle-class lifestyle in China, increasingly associated with a car, is deeply embedded in, and in turn reproduces, the multigenerational familial relationship contoured by state reproductive policies and the new political economy. Built upon the notions and practices of care and emotions, family values are at the core of the ethical conduct of being properly middle class. Yet, familial practices, unintentionally, resonate with the state agenda that seeks to reassert traditional values as a way to deal with an aging population and to establish its soft power on the global stage. The refocus on the family is not to deny the phenomenon of individualization, but rather to emphasize that it is merely part of the complex processes and assemblages in China’s own trajectory toward modernity.

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Journal articles on the topic 'Filmat material'

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