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Journal articles on the topic 'H14 Sheet'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Anh, Nguyen Phan, Tuyen Vo, Khanh Dien Le, and Thanh Nam Nguyen. "A Measure of Optimization of Technological Parameters to Improve the Formability of Aluminum Sheet a 1050 H14 by SPIF Technology." Key Engineering Materials 863 (September 2020): 51–58. http://dx.doi.org/10.4028/www.scientific.net/kem.863.51.

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The objective of this paper is to select a set of technological forming parameters including vertical feed Δz, feeding rate of Vxy of the tool (a kind of pestle but no-cutting edges), the diameter of tool D and the revolutions per minute of tool n to achieve the highest forming ability of aluminum sheet A1050 H14 (according to JIS G3101Japanese standard) when forming metal sheet by Single Point Incremental Forming Technology-SPIF. The content of the article consists of 3 processes: Pre-design of experiment (Pre-DOE) to select of a set of reasonable limited parameters when forming aluminum shee

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Nguyen, Nam Thanh, Tuan Dinh Phan, Cuong Van Vo, Dien Khanh Le, Binh Thien Nguyen, and Hieu Trung Le. "RESEARCH ON THE FORMING ANGLE OF A1050-H14 ALUMINUM MATERIAL PROCESSED BY USING SINGLE POINT INCREMENTAL FORMING TECHNOLOGY (SPIF)." Science and Technology Development Journal 12, no. 16 (2009): 72–79. http://dx.doi.org/10.32508/stdj.v12i16.2357.

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Single Point Incremental Forming - SPIF is the recent manufacturing process of metal sheet forming by drafting a non-cutting edge sphere-tip tool on a clamped metal sheet. The formability of metal sheet in SPIF is considered by the forming angle (ψ)- the maximum draft angle so that the material is not torn. The experimental research on A1050-H14 aluminum sheet on Bridge Port VMC500-16 CNC milling machine in C1 workshop of the HCMUT in order to find out the regression equations to predict the maximum forming angle in the relation with four most important technology parameters in SPIF: size of t

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Shahare, Harshal Y., Abhay Kumar Dubey, Pavan Kumar, et al. "A Comparative Investigation of Conventional and Hammering-Assisted Incremental Sheet Forming Processes for AA1050 H14 Sheets." Metals 11, no. 11 (2021): 1862. http://dx.doi.org/10.3390/met11111862.

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Incremental Sheet Forming (ISF) is emerging as one of the popular dieless forming processes for the small-sized batch production of sheet metal components. However, the parts formed by the ISF process suffer from poor surface finish, geometric inaccuracy, and non-uniform thinning, which leads to poor part characteristics. Hammering, on the other hand, plays an important role in relieving residual stresses, and thus enhances the material properties through a change in grain structure. A few studies based on shot peening, one of the types of hammering operation, revealed that shot peening can pr

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Nguyen, Thanh Vu, Tuyen Vo, Nhat Tuan Phan, and Le Cao Ky Dinh. "Reviews on the Effect of Single Point Incremental Forming (SPIF) Process Parameters on Surface Roughness of Aluminum Alloy AA1050-H14 Sheet Metal." Applied Mechanics and Materials 914 (May 15, 2023): 151–62. http://dx.doi.org/10.4028/p-i4970l.

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Incremental Sheet Forming (ISF) is emerging as one of the popular dieless forming processes for the small-sized batch production of sheet metal components. However, the parts formed by the ISF process suffer from poor surface finish, geometric inaccuracy, and non-uniform thinning, which leads to poor part characteristics. This paper deals with the influence of single point continuous local forming process parameters on the surface roughness of the product. Design of trials used for research planning and analysis and interpretation of results. The results indicate that the tool diameter (D), ve

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Engler, Olaf, and Yuguo An. "Correlation of Texture and Plastic Anisotropy in the Al-Mg Alloy AA 5005." Solid State Phenomena 105 (July 2005): 277–84. http://dx.doi.org/10.4028/www.scientific.net/ssp.105.277.

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The control of the plastic anisotropy during forming of a metallic sheet requires detailed knowledge on its microstructure and, especially, crystallographic texture. In the present paper the correlation of texture and plastic anisotropy in the Al-Mg Alloy AA 5005 is studied. Two different material states with different textures are compared, namely 1.7 mm thick soft-annealed material (O-temper) and 1.0 mm cold rolled strip (state H14). Tensile tests were carried out at 0°, 45° and 90° with respect to the sheet rolling direction and the resulting in-plane anisotropy in yield strength, work hard

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Trzepieciński, Tomasz, Sherwan Mohammed Najm, Omar Maghawry Ibrahim, and Marek Kowalik. "Analysis of the Frictional Performance of AW-5251 Aluminium Alloy Sheets Using the Random Forest Machine Learning Algorithm and Multilayer Perceptron." Materials 16, no. 15 (2023): 5207. http://dx.doi.org/10.3390/ma16155207.

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This paper is devoted to the determination of the coefficient of friction (COF) in the drawbead region in metal forming processes. As the test material, AW-5251 aluminium alloys sheets fabricated under various hardening conditions (AW-5251-O, AW-5251-H14, AW-5251-H16 and AW-5251H22) were used. The sheets were tested using a drawbead simulator with different countersample roughness and different orientations of the specimens in relation to the sheet rolling direction. A drawbead simulator was designed to model the friction conditions when the sheet metal passed through the drawbead in sheet met

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Wilson, William R. D., and Weiming Lee. "Mechanics of Surface Roughening in Metal Forming Processes." Journal of Manufacturing Science and Engineering 123, no. 2 (2000): 279–83. http://dx.doi.org/10.1115/1.1363596.

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Inspection of 1100-H14 and 5052-0 aluminum alloy surfaces deformed in tension, sheet forming, and rolling with a thick lubricant film indicated that similar mechanisms were involved in the roughening process. The predominant mechanism was associated with the orientation of slip systems in adjacent grains leading to mismatch strains at the grain boundaries. The emergence of slip planes played a lesser role in the roughening process. A roughening model that assumed a spatial hardness variation was developed. Theoretical predictions of the dependence of the Ra surface roughness with bulk strain,

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Dabwan, Abdulmajeed, Adham E. Ragab, Mohamed A. Saleh, Saqib Anwar, Atef M. Ghaleb, and Ateekh Ur Rehman. "Study of the Effect of Process Parameters on Surface Profile Accuracy in Single-Point Incremental Sheet Forming of AA1050-H14 Aluminum Alloy." Advances in Materials Science and Engineering 2020 (January 8, 2020): 1–14. http://dx.doi.org/10.1155/2020/7265941.

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Single-point incremental forming is an innovative flexible and inexpensive technique to form sheet products when prototypes or small batches are required. The process allows complex geometries to be produced using a computer numerical control machine, eliminating the need for a special die. This study reports on the effects of four important single-point incremental forming process parameters on produced surface profile accuracies. The profile accuracy was estimated by measuring the side angle errors and surface roughness and also waviness and circularity of the product inner surface. Full fac

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Osman, Muhsin, Trevor John Cloete, and Ernesto Bram Ismail. "Extending the annular in-plane torsional shear test specimen to applications at high strain rates." EPJ Web of Conferences 250 (2021): 01004. http://dx.doi.org/10.1051/epjconf/202125001004.

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In-plane torsional shear testing is a well-established material testing technique in the metal forming community. The corresponding specimen is designed to be machined from sheet metal with a continuous annular shear zone intended to deform in simple shear. Consequently, there are no geometric discontinuities or “edge-effects” to induce volumetric changes or instabilities with the result that large true plastic strains up to 1.0 can be achieved. This paper presents an extension of the in-plane torsional shear test to the dynamic regime. Dynamic experiments were performed using a torsional spli

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Belhassen, Lachhel, Sana Koubaa, Mondher Wali, and Fakhreddine Dammak. "Experimental and numerical investigation of flexible bulging process of aluminum AA1050-H14 sheet metal with soft tools." International Journal of Advanced Manufacturing Technology 103, no. 9-12 (2019): 4837–46. http://dx.doi.org/10.1007/s00170-019-04066-6.

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Ma, J., H. Wang, G. Lin, et al. "Surveillance of Echinococcus isolates from Qinghai, China." Veterinary parasitology 207, no. 2-Jan (2015): 44–8. https://doi.org/10.1016/j.vetpar.2014.11.012.

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Echinococcosis is highly endemic over large parts of the Qinghai-Tibet Plateau (QTP), China. Based on a large number of samples, we present data on the current presence, host distribution, and genetic diversity of Echinococcus in the Qinghai Province, located in the northeastern corner of the QTP and constituting >25% of the area of the plateau. We used 521 samples (including 451 newly collected samples and 70 samples from our previous study) from humans, yaks, sheep, goats, dogs, fox, plateau pikas, and voles in 36 counties, and genotyped them using the mitochondrial DNA marker cytochrome

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Friedrich, Sandra, Thoralf Gerstmann, Carolin Binotsch, and Birgit Awiszus. "Numerical and experimental investigation of flat-clinch joint strength." Production Engineering 16, no. 2-3 (2022): 275–84. http://dx.doi.org/10.1007/s11740-021-01101-y.

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AbstractThe striving for energy savings by lightweight construction requires the combination of different materials with advantageous properties. For joining sheet metal components, clinching offers a good alternative to thermal joining processes. In contrast to thermal joining processes, the microstructure in the joining zone remains largely unaffected. Conventional clinch joints, however, have a protrusion on the underside of the joint, which restricts their use in functional and visible surfaces. Flat-clinching minimizes this disadvantage by using a flat anvil instead of a die. Due to the f

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Blanco, Jorge, Miguel Blanco, Jesus E. Blanco, et al. "Verotoxin-Producing Escherichia coli in Spain: Prevalence, Serotypes, and Virulence Genes of O157:H7 and Non-O157 VTEC in Ruminants, Raw Beef Products, and Humans." Experimental Biology and Medicine 228, no. 4 (2003): 345–51. http://dx.doi.org/10.1177/153537020322800403.

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In Spain, as in many other countries, verotoxin-producing Escherichia coli (VTEC) strains have been frequently isolated from cattle, sheep, and foods. VTEC strains have caused seven outbreaks in Spain (six caused by E. coli O157:H7 and one by E. coli O111:H– [nonmotile]) in recent years. An analysis of the serotypes indicated serological diversity. Among the strains isolated from humans, serotypes O26:H11, O111:H–, and O157:H7 were found to be more prevalent. The most frequently detected serotypes in cattle were O20:H19, O22:H8, O26:H11, O77:H41, O105:H18, O113:H21, O157:H7, O171:H2, and OUT (

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14

Ma, J., H. Wang, G. Lin, et al. "Molecular identification of Echinococcus species from eastern and southern Qinghai, China, based on the mitochondrial cox1 gene." Parasitology research 111, no. 1 (2012): 179–84. https://doi.org/10.1007/s00436-012-2815-z.

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The Qinghai-Tibetan Plateau (QTP, in western China), which is the largest and highest plateau on Earth, is a highly epidemic region for Echinococcus spp. We collected 70 Echinococcus samples from humans, dogs, sheep, yaks, plateau pikas, and voles in eastern and southern Qinghai and genotyped them using the mitochondrial DNA marker cytochrome oxidase subunit I gene and maximum parsimony and Bayesian reconstruction methods. Based on the 792-bp sequence matrix, we recorded 124 variable sites, of which, 115 were parsimony-informative. Thirty-four haplotypes (H1-H34) were detected, of which H1-H15

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Lei, Xin, Hui Huang, and S. P. Wen. "Relationship of Microstructure and Mechanical Properties in Er-Containing Aluminum Alloy." Advanced Materials Research 1120-1121 (July 2015): 1109–14. http://dx.doi.org/10.4028/www.scientific.net/amr.1120-1121.1109.

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This study investigated the mechanical properties and microstructures of Er-containing Al–Mg alloys. The research found that the H114-T sheet of Er-containing Al–Mg alloys showed a relative good comprehensive performance in mechanical properties. With the special rolling and heat treatment process, this H114-T sheet showed different morphology of microstructures with the other sheets in Er-containing Al–Mg alloys. Grains in H114-T sheet performed irregular shape polygon, a number of subgrains appeared in grains, the amount of dislocations in grains decreased. H114-T sheet possessed a lot of Co

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16

Mucha, Jacek, Ľuboš Kaščák, and Waldemar Witkowski. "Research on the Influence of the AW 5754 Aluminum Alloy State Condition and Sheet Arrangements with AW 6082 Aluminum Alloy on the Forming Process and Strength of the ClinchRivet Joints." Materials 14, no. 11 (2021): 2980. http://dx.doi.org/10.3390/ma14112980.

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Clinching joints with an additional deformable rivet are modifications of the clinching joints. The clinch riveting (CR) joint is formed indirectly by a deformable rivet. The research included an analysis of CR joints’ forming process for aluminum alloy sheets made of AW 6082 in T6 state condition and AW 5754 in three different state conditions: H11, H22 and H24. As a result of forming the joint for various sheet arrangements, the highest value of blocking the upper sheet in the lower sheet (tu) was obtained for the arrangements with two 5754-H24 aluminum alloy sheets. For such a large interlo

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17

Shaposhnikova, Yu A. "The Influence of Various Factors on the Deflections and Strength of Profiled Sheeting at the Stage of Concreting a Steel-Reinforced Concrete Slab." Reinforced concrete structures 7, no. 3 (2024): 44–53. http://dx.doi.org/10.22227/2949-1622.2024.3.44-53.

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The aim of the work was to study the influence of the span, slab thickness, grade and thickness of the corrugated sheet on the deflections of the profiled sheeting at the concreting stage of the composite slab. The object of the study was orthotropic composite slabs made using on permanent formwork in the form of profiled sheeting of grades H75, H144, H153 according to GOST 24045–2016 and TRP200 according to GOST R 52246, with a thickness of 0.7–1.5 mm. A calculation and analytical method of research was used, based on regulatory documents in force in the Russian Federation. Based on the resul

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18

Bou-Ghannam, Sophia, Kyungsook Kim, Makoto Kondo, David W. Grainger, and Teruo Okano. "Mesenchymal Stem Cell Sheet Centrifuge-Assisted Layering Augments Pro-Regenerative Cytokine Production." Cells 11, no. 18 (2022): 2840. http://dx.doi.org/10.3390/cells11182840.

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A focal advantage of cell sheet technology has been as a scaffold-free three-dimensional (3D) cell delivery platform capable of sustained cell engraftment, survival, and reparative function. Recent evidence demonstrates that the intrinsic cell sheet 3D tissue-like microenvironment stimulates mesenchymal stem cell (MSC) paracrine factor production. In this capacity, cell sheets not only function as 3D cell delivery platforms, but also prime MSC therapeutic paracrine capacity. This study introduces a “cell sheet multilayering by centrifugation” strategy to non-invasively augment MSC paracrine fa

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Odaci, Kutlay, Cenk Kılıçaslan, Alper Taşdemirci, Athanasios G. Mamalis, and Mustafa Güden. "Projectile Impact Testing Aluminum Corrugated Core Composite Sandwiches Using Aluminum Corrugated Projectiles: Experimental and Numerical Investigation." Materials Science Forum 910 (January 2018): 102–8. http://dx.doi.org/10.4028/www.scientific.net/msf.910.102.

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E-glass/polyester composite plates and 1050 H14 aluminum trapezoidal corrugated core composite sandwich plates were projectile impact tested using 1050 H14 aluminum trapezoidal fin corrugated projectiles with and without face sheets. The projectile impact tests were simulated in LS-DYNA. The MAT_162 material model parameters of the composite were determined and then optimized by the quasi-static and high strain rate tests. Non-centered projectile impact test models were validated by the experimental and numerical back face displacements of the impacted plates. Then, the centered projectile imp

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20

Engler, Olaf, and Kristian Knarbakk. "Temper rolling to control texture and earing in aluminium alloy AA 5050A." MATEC Web of Conferences 326 (2020): 05002. http://dx.doi.org/10.1051/matecconf/202032605002.

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The development of crystallographic texture during the thermo-mechanical processing of aluminium sheet is known to result in the formation of pronounced plastic anisotropy, including the well-known earing phenomenon. In the present study we track the evolution of texture, microstructure and earing profiles in sheets of Al alloy AA 5050A during down-stream processing according to a process route resulting in temper H16 after cold rolling and temper H44 after lacquering. This process, which includes interannealing followed by a mild final pass of temper rolling, was designed for producing medium

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Yang, Yang, Pi Zhi Zhao, Xiang Xiao, and Xiao Bing Zheng. "Effect of Cu Content on Ageing Behavior for AA3104-H19 Can Body Sheet." Materials Science Forum 993 (May 2020): 358–64. http://dx.doi.org/10.4028/www.scientific.net/msf.993.358.

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AA3104 ingots with different Cu content (0.1wt.%, 0.2wt.% and 0.3wt.%) were prepared by DC casting, and then the ingots were processed to 0.26mm sheets with the method of making AA3104 can be body sheet. The AA3104-H19 sheets were aged at 180°C and the aging strengthen effect were found in the 0.2wt.%Cu and 0.3wt.%Cu alloys. Optical micrograph (OM), X-ray diffraction, high resolution transmission electron microscope were used on the sheets after different ageing time. Rod like coherency precipitates with the length about 5-10nm and the thickness about 2-3nm which were parallel to the [111] pla

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Pushkareva, Irina, and Hai Ou Jin. "Development of Al-Mg Alloys with Different Levels of Mn and Fe for Super-Plastic Forming." Materials Science Forum 838-839 (January 2016): 202–7. http://dx.doi.org/10.4028/www.scientific.net/msf.838-839.202.

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New Al-Mg alloys have been developed for super-plastic forming (SPF) based on commercial AA5083/AA5086 alloys, but with an increased Mn content from 0.5 to 1.5 wt.% and a decreased impurity Fe level from 0.25 to 0.05 wt.%.The effects of Mn and Fe levels on super-plasticity have been investigated by high temperature tensile testing of cold rolled H18 sheets at 425 to 525°C with a strain rate of 2×10-3 s-1. The microstructure evolution during different processing stages, grain size and grain size stability were investigated by optical microscopy and scanning electron microscopy. Both Mn and Fe s

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23

Murugesan, Mohanraj, Jae-Hyeong Yu, Kyu-Seok Jung, Sung-Min Cho, Krishna Singh Bhandari, and Chang-Whan Lee. "Optimization of Forming Parameters in Incremental Sheet Forming of AA3003-H18 Sheets Using Taguchi Method." Materials 15, no. 4 (2022): 1458. http://dx.doi.org/10.3390/ma15041458.

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The surface finish is an important characteristic in the incremental sheet forming (ISF) process and is often influenced by numerous factors within the forming process. Therefore, this research was aimed at identifying the optimal forming parameters through the Taguchi method to produce high-quality formed products. The forming tool radius, spindle speed, vertical step increment, and feed rate were chosen as forming parameters in the experimental design, with surface roughness as the response variable. Taguchi L16 orthogonal array design and analysis of variance (ANOVA) test were used to ident

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Sekse, C., M. Sunde, B. A. Lindstedt, et al. "Potentially Human-Pathogenic Escherichia coli O26 in Norwegian Sheep Flocks." Applied and Environmental Microbiology 77, no. 14 (2011): 4949–58. http://dx.doi.org/10.1128/aem.00189-11.

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ABSTRACTA national survey ofEscherichia coliO26 in Norwegian sheep flocks was conducted, using fecal samples to determine the prevalence. In total, 491 flocks were tested, andE. coliO26 was detected in 17.9% of the flocks. One hundred forty-twoE. coliO26 isolates were examined for flagellar antigens (H typing) and four virulence genes, includingstxandeae, to identify possible Shiga toxin-producingE. coli(STEC) and enteropathogenicE. coli(EPEC). Most isolates (129 out of 142) were identified asE. coliO26:H11. They possessedeaeand may have potential as human pathogens, although only a small frac

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Brandal, Lin T., Camilla Sekse, Bjørn-Arne Lindstedt, et al. "Norwegian Sheep Are an Important Reservoir for Human-Pathogenic Escherichia coli O26:H11." Applied and Environmental Microbiology 78, no. 12 (2012): 4083–91. http://dx.doi.org/10.1128/aem.00186-12.

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ABSTRACTA previous national survey ofEscherichia coliin Norwegian sheep detectedeae-positive (eae+)E. coliO26:H11 isolates in 16.3% (80/491) of the flocks. The purpose of the present study was to evaluate the human-pathogenic potential of these ovine isolates by comparing them withE. coliO26 isolates from humans infected in Norway. All humanE. coliO26 isolates studied carried theeaegene and shared flagellar type H11. Two-thirds of the sheep flocks and 95.1% of the patients harbored isolates containingarcAallele type 2 andespKand were classified as enterohemorrhagicE. coli(EHEC) (stxpositive) o

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Pacheco, Poliana Araújo, Michael Nunes Marconato, Letícia Liepkaln dos Reis, Luciana Morita Katiki, Cláudia Cristina Paro de Paz, and Ricardo Lopes Dias da Costa. "Evaluation of Parasitological Homeopathic Complex in the Control of Gastrointestinal Nematodes in Peripartum Sheep." Homeopathy 108, no. 04 (2019): 248–55. http://dx.doi.org/10.1055/s-0039-1684018.

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Background The appearance of anthelmintic resistance has made it difficult to control verminosis in sheep, leading to increased research to find alternative nematode control. The use of homeopathy in veterinary medicine has been studied as an alternative for the treatment and control of some diseases. In this study, ewes received an anti-parasitic homeopathic complex medicine during the critical peripartum period of increased susceptibility to nematodes. Methods Three randomized groups containing 16 animals each were assigned as follows: ‘H10’ received 10 g homeopathic complex added to concent

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Asano, Mineo, Takuro Nakamura, and Hideo Yoshida. "Effect of Heat Treatment Conditions on the Elongation of AA1200 Alloy Sheets." Materials Science Forum 794-796 (June 2014): 425–30. http://dx.doi.org/10.4028/www.scientific.net/msf.794-796.425.

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It has been reported that the elongation of the AA1050-H26 sheet annealed at 200°C is lower than that of the AA1050-H18 sheet. In this study, the effect of the annealing time at 250°C on the elongation of AA1200 alloy sheets was investigated, and the cause of the low elongation was discussed by observing the change in the microstructures before and after tensile deformation. The elongation of the samples annealed at 250°C for less than 50 min was below 1%, and this elongation was lower than the elongation of the as-rolled and annealed ones at 250°C for more than 150 min. In the samples anneale

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Majewska, Małgorzata P., Renata Miltko, Jacek Skomiał, and Barbara Kowalik. "Influence of humic acid supplemented to sheep diets on rumen enzymatic activity." Medycyna Weterynaryjna 73, no. 12 (2017): 770–73. http://dx.doi.org/10.21521/mw.5822.

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The objective of the present study was to investigate how different levels of natural humic acid in the diet affect the hydrolases activity in the rumen of sheep. The experiment was carried out on three rumen-fistulated adult sheep. The control animals were fed a diet (K) containing 59.7% meadow hay, 28.4% crushed barley, 9.8% soybean oil meal and 2.1% vitamin mineral mixture. The experimental diets were composed of the control ration supplemented with humic acid (HUMAC natur AFM® containing 65% humic acid in dry matter) and supplied at doses of 10 g · d–1 (diet H10) or 20 g · d–1 (diet H20).

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Liu, Junyi, and Qiang Sun. "Enhanced Ferromagnetism in a Mn3 C12 N12 H12 Sheet." ChemPhysChem 16, no. 3 (2014): 614–20. http://dx.doi.org/10.1002/cphc.201402713.

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Zweifel, Claudio, Nicole Cernela, and Roger Stephan. "Detection of the Emerging Shiga Toxin-Producing Escherichia coli O26:H11/H−Sequence Type 29 (ST29) Clone in Human Patients and Healthy Cattle in Switzerland." Applied and Environmental Microbiology 79, no. 17 (2013): 5411–13. http://dx.doi.org/10.1128/aem.01728-13.

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ABSTRACTShiga toxin-producingEscherichia coliO26:H11/H−strains showing the characteristics of the emerging human-pathogenic ST29 clone (stx2a+only,eae+, plasmid gene profilehlyA+etpD+) were detected from human patients and healthy cattle, indicating a possible reservoir. Sheep also appear to shed strains related to the new pathogenic clone O26:H11/H−(ST29,stx1a+only,eae+, plasmid gene profilehlyA+etpD+).

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Matsumoto, N., K. Koike, S. Yamada, and N. C. Staub. "Caudal mediastinal node lymph flow in sheep after histamine or endotoxin infusions." American Journal of Physiology-Heart and Circulatory Physiology 258, no. 1 (1990): H24—H28. http://dx.doi.org/10.1152/ajpheart.1990.258.1.h24.

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To determine whether intrathoracic nonpulmonary structures (caudal mediastinal node or esophagus) are reputed to affect lung lymph dynamics, we studied anesthetized, open-thorax, prone, ventilated sheep in which all lung afferent lymphatics to the caudal mediastinal node were eliminated. When we increased left atrial pressure by 20 cmH2O in four sheep, there was no effect on caudal mediastinal node efferent lymph flow or protein concentration, thus providing the completeness of the surgical preparation. In four sheep, intravenous histamine infusions (3 micrograms base.kg-1.min-1) had no effect

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Shi, Y., H. Jin, and P. D. Wu. "Analysis of cup earing for AA3104-H19 aluminum alloy sheet." European Journal of Mechanics - A/Solids 69 (May 2018): 1–11. http://dx.doi.org/10.1016/j.euromechsol.2017.11.013.

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Songer, Donald C. "A new etchant for alloy 3004-H19 thin gauge sheet." Metallography 22, no. 3 (1989): 271–74. http://dx.doi.org/10.1016/0026-0800(89)90008-6.

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Lo, S. K., R. R. Garcia-Szabo, and A. B. Malik. "Leukocyte repletion reverses protective effect of neutropenia in thrombin-induced increase in lung vascular permeability." American Journal of Physiology-Heart and Circulatory Physiology 259, no. 1 (1990): H149—H155. http://dx.doi.org/10.1152/ajpheart.1990.259.1.h149.

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We examined the role of leukocytes in the pathogenesis of lung vascular injury induced by thrombin in awake sheep prepared with the lung lymph fistulas. Thrombin (80 U/kg) infusion in control sheep (n = 6) increased pulmonary arterial pressure (Ppa) twofold and pulmonary vascular resistance (PVR) three-fold for the 5-h experimental period. Thrombin also increased pulmonary vascular permeability to protein as assessed by decrease in the reflection coefficient (sigma) from 0.70 +/- 0.03 to 0.61 +/- 0.01. Thrombin caused similar initial pulmonary hemodynamic changes in sheep rendered neutropenic

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Chen, Guo Liang, Ning Wang, and Ming He Chen. "Research on Deformation Behavior of 2024 H18 Aluminum Alloy at Elevated Temperature." Materials Science Forum 770 (October 2013): 329–34. http://dx.doi.org/10.4028/www.scientific.net/msf.770.329.

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Uniaxial tensile deformation behavior of 2024 H18 aluminum sheet alloys was studied in the hot forming process with synchronous cooling temperature range of 300°C~475°C and in the strain rate range of 0.0005/s~0.1/s. The effects of temperature and strain rate on stress, elongation to facture were analyzed. And a constitutive model was proposed to describe the relationship of true stress-true stain by multiple linear regression analysis. It was found that the forming temperature and strain rate have great effect on the hot forming behavior of the alloys. The max stress reduced greatly with the

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Guo, Xiao Meng, Qing Wei Dai, Peng Zhang, et al. "Research on Corrosion Resistance of Steel Pipes in Water of Oilfield." Materials Science Forum 937 (October 2018): 51–59. http://dx.doi.org/10.4028/www.scientific.net/msf.937.51.

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In order to provide a theoretical basis for reasonable material selection in oil and gas field, according to the actual situation of a water source well, materials N80, 3Cr, H13, 13Cr and super 13Cr were selected as the research objects. The microstructure and hardness of N80, 3Cr, H13, 13Cr and super 13Cr were studied by metallographic observation and hardness test. By simulating the actual corrosion environment of the water source well, the experiment of autoclave hanging sheet and detection of corrosion products by X ray diffraction and the CO2 corrosion resistance of N80, 3Cr, H13, 13Cr an

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TONE, Tadayuki, and Kenji SUZUKI. "Ferrofluid-based robotic sheet for a liquid manipulation by using the vibration control." Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2017 (2017): 1A1—H10. http://dx.doi.org/10.1299/jsmermd.2017.1a1-h10.

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Olajide, Okikiola M., Maria Kaukab Osman, Jonathan Robert, et al. "Evolutionarily conserved amino acids in MHC-II mediate bat influenza A virus entry into human cells." PLOS Biology 21, no. 7 (2023): e3002182. http://dx.doi.org/10.1371/journal.pbio.3002182.

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The viral hemagglutinins of conventional influenza A viruses (IAVs) bind to sialylated glycans on host cell surfaces for attachment and subsequent infection. In contrast, hemagglutinins of bat-derived IAVs target major histocompatibility complex class II (MHC-II) for cell entry. MHC-II proteins from various vertebrate species can facilitate infection with the bat IAV H18N11. Yet, it has been difficult to biochemically determine the H18:MHC-II binding. Here, we followed a different approach and generated MHC-II chimeras from the human leukocyte antigen DR (HLA-DR), which supports H18-mediated e

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Albertine, K. H., E. L. Schultz, J. P. Wiener-Kronish, and N. C. Staub. "Regional differences in pleural lymphatic albumin concentration in sheep." American Journal of Physiology-Heart and Circulatory Physiology 252, no. 1 (1987): H64—H70. http://dx.doi.org/10.1152/ajpheart.1987.252.1.h64.

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We used quantitative reflectance autoradiography to compare the concentration of albumin in visceral pleural lymphatics at the cranial and caudal ends of the sheep's lung in the vertical (60 degrees head-up) and horizontal (supine) positions. Twelve to fourteen hours after injecting 125I-albumin intravenously we placed four anesthetized sheep in the vertical position to establish a microvascular hydrostatic pressure gradient along the vertical height of the lung. We placed two anesthetized sheep in the horizontal position. Four hours later, we fixed the left lung and removed visceral pleural t

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Chen, Ming He, Y. Y. Cao, W. Chen, and Guo Liang Chen. "Research on Synchronized Cooling Hot Forming Process of 6016 Aluminum Alloy." Advanced Materials Research 452-453 (January 2012): 81–85. http://dx.doi.org/10.4028/www.scientific.net/amr.452-453.81.

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In order to improve formability of high strength Al-alloy sheet metal, in this paper, it come up with the synchronized cooling hot forming process. Taking the aluminum alloy of 6016 H18 aluminum alloy, which carried out its technology test by Gleeble3500 hot-mechanical simulator. The process parameters such as deformation temperature T, holding time t and cooling rate v is investigated by the orthogonal test and the microstructure is analyzed simultaneously. The results show that the synchronized cooling hot forming process can be applied to 6016 H18 aluminum alloy, it both improves the formab

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Anderson, D. F., A. Barbera, and J. J. Faber. "Substantial reductions in blood pressure after bilateral nephrectomy in fetal sheep." American Journal of Physiology-Heart and Circulatory Physiology 266, no. 1 (1994): H17—H20. http://dx.doi.org/10.1152/ajpheart.1994.266.1.h17.

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The role of the kidneys in the maintenance of arterial blood pressure was examined in fetal sheep. Surgery was performed on 11 pregnant sheep (8 twin pregnancies) at approximately 125 days. All 19 fetuses were instrumented with hindlimb arterial and venous catheters. Eleven of the fetuses (but only 1 of each twin) were also bilaterally nephrectomized. Fetal arterial blood pressure was measured several times between 2 and 14 days after surgery. Arterial blood pressure in the intact fetuses increased from 44 +/- 1 to 47 +/- 1 mmHg (SE) but gradually decreased from 37 +/- 4 to 25 +/- 3 mmHg in th

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Sasidharan, R., C. Rajendran, Tushar Sonar, and Mikhail Ivanov. "Investigation on tensile strength of CMT and P-CMT joints of AA8011 aluminum alloy." Emerging Materials Research 12, no. 4 (2023): 1–7. http://dx.doi.org/10.1680/jemmr.23.00102.

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The advanced variant of gas metal arc welding (GMAW) known as cold metal transfer (CMT) developed by Fronius in Austria is used to overcome the heat input and fusion related issues such as porosity and cracking in welding of AA8011-H18 alloy sheets. The 3 mm thick sheets of AA8011-H18 alloy were welded using normal CMT-GMAW and pulsed CMT (PCMT-GMAW) processes. The microstructure of weld metal (WM) and heat affected zone (HAZ) was analysed using optical microscope. The tensile properties and hardness of joints were evaluated and compared. Results revealed that the PCMT-GMAW joints showed 26.45

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FURUKAWA, Tsuyoshi, Kenji INOUE, Yasushi MAE, Tomohito TAKUBO, and Tatsuo ARAI. "1P1-H12 Study on Encountered-type Visual Haptic Display Using Flexible Sheet." Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2008 (2008): _1P1—H12_1—_1P1—H12_4. http://dx.doi.org/10.1299/jsmermd.2008._1p1-h12_1.

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V., Srija* and A. Chennakesava Reddy. "NUMERICAL SIMULATION OF TRUNCATED PYRAMIDAL CUPS OF AA1050-H18 ALLOY FABRICATED BY SINGLE POINT INCREMENTAL FORMING." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 5, no. 6 (2016): 741–49. https://doi.org/10.5281/zenodo.55981.

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The purpose of the present project  work was to understand the formability of AA1050-H18 alloy to fabricate truncated pyramidal cups using single point incremental forming (SPIF) process. The finite element analysis has been carried out to model the single point incremental forming process using ABAQUS software code. The process parameters of SPIF were sheet thickness, step depth, tool radius and coefficient of friction. The process parameters have been optimized using Taguchi techniques.  The major process parameters influencing the SPIF of truncated pyramidal cups were tool radius

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Groux, H., S. Huet, F. Aubrit, H. C. Tran, L. Boumsell, and A. Bernard. "A 19-kDa human erythrocyte molecule H19 is involved in rosettes, present on nucleated cells, and required for T cell activation. Comparison of the roles of H19 and LFA-3 molecules in T cell activation." Journal of Immunology 142, no. 9 (1989): 3013–20. http://dx.doi.org/10.4049/jimmunol.142.9.3013.

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Abstract We have previously described a molecule on the SRBC surface which, in addition to the sheep equivalent of LFA-3, is involved in the process of rosette formation. It is made of a single, 14- to 19-kDa, polypeptide chain, and we termed this molecule S14. We have now identified, on the human E a molecule with a similar Mr albeit somewhat higher (19 kDa). The mAb against H19 efficiently block autologous or homologous rosettes by binding to human E. In addition, purified H19 molecules block rosettes made with human E and SRBC in a dose-dependent manner. The H19 molecule, like LFA-3, is not

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Adamson, S. L., K. J. Whiteley, and B. L. Langille. "Endothelin-1 constricts fetoplacental microcirculation and decreases fetal O2 consumption in sheep." American Journal of Physiology-Heart and Circulatory Physiology 270, no. 1 (1996): H16—H23. http://dx.doi.org/10.1152/ajpheart.1996.270.1.h16.

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Endothelin-1 produced by umbilicoplacental tissues may regulate fetal placental perfusion. To investigate its site of action, we measured segmental resistance in this bed in unanesthetized fetal sheep near term during fetal endothelin-1 infusion. A 15-min intravenous infusion of endothelin-1 at 1 micrograms/min significantly increased fetal blood pressure in the aorta (+33%), cotyledon artery and vein, and inferior vena cava, and endothelin-1 decreased fetal heart rate (-40%). Vascular resistance in the placental microcirculation increased significantly (+332%), but smaller increases in resist

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Brace, R. A. "Thoracic duct lymph flow and its measurement in chronically catheterized sheep fetus." American Journal of Physiology-Heart and Circulatory Physiology 256, no. 1 (1989): H16—H20. http://dx.doi.org/10.1152/ajpheart.1989.256.1.h16.

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A method was developed for chronic catheterization of the left thoracic lymph duct at the base of the neck in the sheep fetus, which did not disrupt the other major lymphatic vessels that join the venous circulation at the same location. The lymphatic catheter was connected to a catheter in a jugular vein when lymph flow was not being recorded, so that the lymph continuously returned to the fetal circulation. Special consideration of catheter size to minimize flow resistance and treatment to prevent clotting were required. Individual animals were maintained up to 17 days with lymph flow contin

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Williams-Wyss, Olivia, Song Zhang, Severence M. MacLaughlin, et al. "Embryo number and periconceptional undernutrition in the sheep have differential effects on adrenal epigenotype, growth, and development." American Journal of Physiology-Endocrinology and Metabolism 307, no. 2 (2014): E141—E150. http://dx.doi.org/10.1152/ajpendo.00051.2012.

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Exposure to poor maternal nutrition around the time of conception results in an early prepartum activation of the fetal pituitary-adrenal axis and in increased adrenal growth and stress response after birth associated with epigenetic changes in a differentially methylated region (DMR) of adrenal IGF2/H19. We have determined the effects of maternal undernutrition during the periconceptional period (PCUN: 70% of control intake from 60 days before until 6 days after conception) and early preimplantation period (PIUN: 70% of control intake for 6 days after conception) on fetal plasma ACTH and cort

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NAKATSUMA, Kei, Yasutoshi MAKINO, and Hiroyuki SHINODA. "2P1-H15 Position Estimation based on Electric Field Sensing on Two-Dimensional Communication Sheet." Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2008 (2008): _2P1—H15_1—_2P1—H15_4. http://dx.doi.org/10.1299/jsmermd.2008._2p1-h15_1.

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Yang, Yang, Pi Zhi Zhao, Li Ying Zou, and Rong Hui Fan. "Bake Precipitation Behavior in AA5182 Sheet for Can End Stock." Materials Science Forum 913 (February 2018): 37–42. http://dx.doi.org/10.4028/www.scientific.net/msf.913.37.

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By means of Vickers hardness tester, optical microscope (OM), scanning electron microscope (SEM), X-ray diffraction (XRD) and high resolution transmitted electron microscope (HRTEM), the bake softening and precipitation behaviors of AA5182 H19 sheet for can end stock at 205°C and 249°C were investigated. All specimens at both temperatures showed recovery and bake softening phenomenon, which meaning the dislocation density and HV decreased. However, the specimens baked at 205°C showed higher recovery impediment, because the bake softening curve departed from the dynamic laws when it had less am

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