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Journal articles on the topic 'Thickness gage'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Bruver, V. I., and A. P. Budanov. "X-ray thickness gage." Metallurgist 33, no. 12 (1989): 242–43. http://dx.doi.org/10.1007/bf00750278.

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2

Malikov, Vladimir N., Nikolay D. Tihonskii, and Alexey V. Ishkov. "Thin Ni/Al Metal Films Characterization Using a High-Frequency Electromagnetic Field." Key Engineering Materials 910 (February 15, 2022): 893–901. http://dx.doi.org/10.4028/p-digld4.

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The paper presents methods of obtaining and studying new materials - thin metal films of the Ni/Al system. The technique and main parameters of the resistive method of thermal evaporation of the alloy using a vacuum universal station are briefly presented. Samples of thin films of various thicknesses were obtained. The thickness of the material was determined both using a scanning electron microscope and a developed eddy-current gage system operating under a hardware-software complex. In the course of the research, the limit the film thickness gauging capabilities of the developed gage system

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Dmitriev, Sergey, Vladimir Malikov, and Anatoly Sagalakov. "Subminiature eddy current transducers for thickness measurement." MATEC Web of Conferences 224 (2018): 03007. http://dx.doi.org/10.1051/matecconf/201822403007.

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A new gage system was made based on the eddy-current transducer. The system makes it possible to evaluate the possibility of using the eddy current method to measure the thickness of conductive and dielectric coatings applied on a conductive base material. One of the important advantages of the developed gage system is the possibility of local measurement of the thicknesses of conductive and non-conductive coatings. In this article, in particular, the measurement features are described in detail, as well as the specificity of the gage system. Also it represents data, showing the dependence of

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4

Hager, J. M., S. Simmons, D. Smith, S. Onishi, L. W. Langley, and T. E. Diller. "Experimental Performance of a Heat Flux Microsensor." Journal of Engineering for Gas Turbines and Power 113, no. 2 (1991): 246–50. http://dx.doi.org/10.1115/1.2906555.

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The performance characteristics of a heat flux microsensor have been measured and analyzed. This is a new heat flux gage system that is made using microfabrication techniques. The gages are small, have high frequency response, can measure very high heat flux, and output a voltage directly proportional to the heat flux. Each gage consists of a thin thermal resistance layer sandwiched between many thermocouple pairs forming a differential thermopile. Because the gage is made directly on the measurement surface and the total thickness is less than 2 μm, the presence of the gage contributes neglig

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5

Ludwick, S. J., H. E. Jenkins, and T. R. Kurfess. "Design and Implementation of a Tube Wall Thickness Measurement System." Journal of Manufacturing Science and Engineering 120, no. 2 (1998): 471–75. http://dx.doi.org/10.1115/1.2830149.

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This paper describes the design and implementation of a gage for measuring the wall thickness of hot rolled steel tubing at an actual production facility. The design is based upon a statistical analysis of the tube samples, and upon the economic realities of mill operating conditions. Issues relating to time constraints, uneven sample preparation, a mill operating environment, and differences between gage operators are addressed. The gage records more data from the tubes than could be taken manually, and therefore allows the accompanying software to apply unique algorithms for the calculation

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KIMURA, Kazuyoshi, Tsuyoshi NUNOKAWA, Motoi HONJYO, and Ryoichi TAKAHASHI. "Development of Gage Control System with Interstand Thickness Gage for Hot Strip Mill." Tetsu-to-Hagane 77, no. 4 (1991): 528–35. http://dx.doi.org/10.2355/tetsutohagane1955.77.4_528.

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7

Korotkevich, A. M., V. B. Nemtinov, and A. N. Subin. "Diffraction Laser-Electronic Fourier Thickness Gage for Monitoring the Thickness of a Large Diameter Lens." Measurement Techniques 48, no. 10 (2005): 978–85. http://dx.doi.org/10.1007/s11018-006-0007-x.

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8

Tomlinson, K., and D. G. Schroen. "Using an Interferometric Profiler and Gage Block to Determine Sample Thickness." Fusion Science and Technology 63, no. 2 (2013): 288–95. http://dx.doi.org/10.13182/fst13-a16352.

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9

Yashin, Vasiliy V., Evgenii V. Aryshenskii, Erkin D. Beglov, Maksim S. Tepterev, and Anna F. Grechnikova. "Development of a Mathematical Model of Plate Rolling on Hot Reversing Mills." Key Engineering Materials 746 (July 2017): 48–55. http://dx.doi.org/10.4028/www.scientific.net/kem.746.48.

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Objective of the work: develop a model for calculation of plate exit thickness. This model is supposed to improve process reliability in obtaining specified thickness with +/- 0.5 mm tolerance. The work identifies major influences on obtaining specified thickness and relationship of their effects. Based on derived relationships, the work develops rolling force calculation model with the following inputs: alloy grade, feedstock temperature, feedstock entry and exit gage, feedstock width, rotational speed of the rolls. Mill stand characteristics, like mill stiffness, backlash, work roll behavior

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Wang, Jenn-Chyuan, Catey Bunce, and Hung-Ming Lee. "Intraoperative Corneal Thickness Measurement Using Optical Coherence Pachymetry and Corneo-Gage Plus Ultrasound Pachymetry." Journal of Refractive Surgery 24, no. 6 (2008): 610–14. http://dx.doi.org/10.3928/1081597x-20080601-10.

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11

Lee, Matthew J., and Michael R. Hill. "Effect of Strain Gage Length When Determining Residual Stress by Slitting." Journal of Engineering Materials and Technology 129, no. 1 (2006): 143–50. http://dx.doi.org/10.1115/1.2400263.

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This paper investigates the effect of strain gage length on residual stress estimated by the slitting (or crack compliance) method. This effect is quantified for a range of gage length normalized by sample thickness, l∕t, between 0.005 and 0.100. For specific l∕t values, compliance matrix elements are determined by finite element methods for a range of crack depth and polynomial basis functions for residual stress. Resulting compliance matrices are shown and used to determine error in residual stress that may arise due to differences in l∕t assumed in data reduction and existing in the slittin

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12

Bougherara, Habiba, Muhammad Saleem, Suraj Shah, et al. "Stress analysis of a carbon fiber-reinforced epoxy plate with a hole undergoing tension: A comparison of finite element analysis, strain gages, and infrared thermography." Journal of Composite Materials 52, no. 19 (2018): 2679–89. http://dx.doi.org/10.1177/0021998317752501.

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This is the first study, to the authors' knowledge, to simultaneously perform a direct comparison of finite element analysis, strain gage measurements, and infrared thermography for stress analysis under both static and dynamics tensile loads of the classic geometry of a composite plate with a center hole. The plate was made from a carbon fiber-reinforced epoxy composite with dimensions of 250 mm length × 25 mm width × 2.2 mm thickness and a 5 mm diameter center hole. Using static tensile loads of 1000 N, 2000 N, and 3000 N, the plate Von Mises stress field was evaluated using strain gages ver

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Glanz, Gregor, Samed Keles, Katja Froehlich, and Alexander Bergmann. "State Estimation of Cylindrical Lithium-Ion Batteries Using Strain Gages." ECS Meeting Abstracts MA2025-01, no. 59 (2025): 2821. https://doi.org/10.1149/ma2025-01592821mtgabs.

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Lithium-Ion batteries (LIB) are nowadays used in various applications, ranging from smartphones to power tools and electric vehicles. In all these applications, a battery management system (BMS) determines the state of charge (SOC) and the state of health (SOH) of the LIB by measuring the cell voltages, the current and the temperature of the cells. The general state (SOX) of a LIB is not only represented by these values but also by its mechanical properties that are closely linked to the electrochemical characteristics. During charging and discharging lithium-ions intercalate and de-intercalat

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Jonnalagadda, K. N., and I. Chasiotis. "Strength and Fracture Resistance of Amorphous Diamond-Like Carbon Films for MEMS." Journal of Nanomaterials 2009 (2009): 1–8. http://dx.doi.org/10.1155/2009/204281.

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The mechanical strength and mixed mode I/II fracture toughness of hydrogen-free tetrahedral amorphous diamond-like carbon (ta-C) films, grown by pulsed laser deposition, are discussed in connection to material flaws and its microstructure. The failure properties of ta-C were obtained from films with thicknesses 0.5–3 μm and specimen widths 10–20 μm. The smallest test samples with 10 μm gage section averaged a strength of 7.3±1.2 GPa, while the strength of 20-μm specimens with thicknesses 0.5–3 μm varied between 2.2–5.7 GPa. The scaling of the mechanical strength with specimen thickness and dim

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15

Yokota, Yasuhiro, Hatsujiro Hashimoto, and Terutoshi Yamaguchi. "Electron radiation damage of natural zeolites at room and low temperature." Proceedings, annual meeting, Electron Microscopy Society of America 48, no. 4 (1990): 808–9. http://dx.doi.org/10.1017/s0424820100177179.

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Zeolites are easily changed to amorphous under electron beam irradiation. Bando reported that this phenomena take place at low temperature with 1/20 dose of room temperature. In the present work this phenomena was investigated using two kinds of specimens, by changing temperature, electron energy (100 kV-350 kV) and also by applying an electron energy loss spectrometer.Mesolite is from Yaizu, Sizuoka Prefecture and Thomsonite is from Nishijima, Yamanasi Pref. , Japan. The specimen were ground to fine powder and dispersed on a microgrid. A Faraday gage which was installed in the observing chamb

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16

Aleksandrović, Srbislav, Djordje Ivković, Dušan Arsić, Marko Delić, Slaviša Djačić, and Milan Djordjević. "Effect of plastic strain and specimen geometry on plastic strain ratio values for various materials." Advanced Technologies & Materials 48, no. 1 (2023): 13–19. http://dx.doi.org/10.24867/atm-2023-1-003.

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The aim of this paper is to show influence of two elements on plastic strain ratio value, or "r" value. The first element is value of plastic strain, and second is specimen geometry. Extensive experiment was conducted according to appropriate tensile test procedure with 3 materials and 5 different specimen geometries. Steel sheet S235JR, austenitic stainless-steel sheet X5CrNi18-10 and Al alloy sheet AlSi0.9MgMn (i.e. ENAW 6081) were used during the experiments. Nominal thickness for all three sheets was 1 mm. Three out of five specimen geometries had 20 mm width and gage length of 60, 120 and

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Aleksandrović, Srbislav, Djordje Ivković, Dušan Arsić, Marko Delić, Slaviša Djačić, and Milan Djordjević. "Effect of plastic strain and specimen geometry on plastic strain ratio values for various materials." Advanced Technologies & Materials 48, no. 1 (2023): 13–19. http://dx.doi.org/10.24867/10.24867/atm-2023-1-003.

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The aim of this paper is to show influence of two elements on plastic strain ratio value, or "r" value. The first element is value of plastic strain, and second is specimen geometry. Extensive experiment was conducted according to appropriate tensile test procedure with 3 materials and 5 different specimen geometries. Steel sheet S235JR, austenitic stainless-steel sheet X5CrNi18-10 and Al alloy sheet AlSi0.9MgMn (i.e. ENAW 6081) were used during the experiments. Nominal thickness for all three sheets was 1 mm. Three out of five specimen geometries had 20 mm width and gage length of 60, 120 and

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18

Salleh, Siti Hawa Mohamed, Mohd Zaidi Omar, Mohd Nazree Derman, and Che Abdullah Salmie Suhana. "Microstructural Characterization of ZrO₂ Layer Coating on Martensitic Stainless Steel." Applied Mechanics and Materials 165 (April 2012): 88–92. http://dx.doi.org/10.4028/www.scientific.net/amm.165.88.

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High carbon steel stainless steel such as 440C martensitic stainless steel, are commonly used for automotive components, such as ball bearings, races, gage blocks and valve. In this study, 440C steel was coated with ZrO2 by electrolytic deposition in ZrO(NO3)2 aqueous solution. After annealing, the ZrO2 coated specimens were characterized by x-ray diffraction (XRD) and scanning electron microscope (SEM). Scanning electron micrograph showed that thickness of the coated sample was approximately 0.7µm. Besides that, secondary hardening effect occurred on the annealed SS440C substrate and it might

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19

Atkinson, M. "An Approximate Explicit Solution for Polar Strain of Hydraulically Bulged Circular Diaphragms." Journal of Vibration and Acoustics 109, no. 2 (1987): 192–95. http://dx.doi.org/10.1115/1.3269413.

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Requirements for practical bulging tests of sheet metals favor small die aperture and surface extensometry with relatively large gage length. The practice of equating the meridional strain at the pole with the hoop strain indicated by the extensometer introduces significant error into the evaluation of representative strain under these conditions. Exact solutions, based on the measured chord and the embraced segment height, are implicit functions of the diaphragm thickness and require prior knowledge of the material’s properties: they are, therefore, unsuitable for materials testing purposes.

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20

Zhao, Yangyang, Wurong Wang, and Xicheng Wei. "Optimization of Resistance Spot Welding with Inserted Strips via FEM and Response Surface Methodology." Materials 14, no. 23 (2021): 7489. http://dx.doi.org/10.3390/ma14237489.

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Resistance spot welding (RSW) with inserted strips, a recent variant of traditional RSW, was usually adopted in joining thin gage steels to lower the temperature developed at the electrode surface and to extend electrode life. In order to understand the influencing mechanism how the inserted strips affect the heat transfer behavior and to optimize the selection of suitable strips, an approach integrated with FEM and response surface methodology (RSM) was employed. FEM results showed that the inserted strips would not only lead to earlier initiation of weld and bigger weld size in both diameter

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21

Lee, Dong Joo. "Measuring Elastic Properties of Circular Tube Made with Thermoplastic Composites." Key Engineering Materials 326-328 (December 2006): 1713–16. http://dx.doi.org/10.4028/www.scientific.net/kem.326-328.1713.

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Five methods are used to measure values of circumferential Young’s modulus and three methods are used to obtain shear modulus using the closed and open ring specimens. Based on the assumption that the technique using a strain gage must yield the correct value of Young’s modulus, the technique using a closed ring specimen gives more consistent results than the technique using an open ring specimen. For the simplicity of measurement, the technique using a closed ring specimen under compression can be used as long as the thickness of the used specimen remains thin enough to neglect the effects of

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22

Ozkara, Isa Metin, and Murat Baydogan. "Effect of Processing Parameters on the Structural and Mechanical Properties of Micro Arc Oxidized Aluminium Alloy." Defect and Diffusion Forum 297-301 (April 2010): 942–47. http://dx.doi.org/10.4028/www.scientific.net/ddf.297-301.942.

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The micro arc oxidation process (MAO) was applied to a 2024 ingot aluminium alloy by an AC MAO equipment using an alkali based electrolyte. The processing parameters of the process were positive and negative voltage pulse durations. Structural and morphological characterization of the coating were made by a scanning electron microscope (SEM), an X-ray diffractometer (XRD), a surface profilometer and a thickness gage operating according to the Eddy current principle. Cross sectional hardness of the coatings was measured, and reciprocating wear and immersion corrosion tests were performed. XRD a

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23

Voinov, S. I., I. V. Zelenina, M. I. Valueva, and I. N. Gulyaev. "Determination of the compression test method for high temperature-resistant carbon fiber reinforced plastics." Voprosy Materialovedeniya, no. 3(103) (November 30, 2020): 103–13. http://dx.doi.org/10.22349/1994-6716-2020-103-3-103-113.

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The article presents the results of studies of carbon fiber reinforced plastic VS-51/VTkU-2.200. The influence of the thickness of the specimens and the size of working gage on the compressive strength of carbon fiber reinforced plastic specimens was evaluated; tests were done in accordance with different standards. The results of compression strength tests at high temperature (300–320°С) are given: carbon fiber reinforced plastic VS-51/VTkU-2.200 shows high heat resistance and keeps compressive strength at high temperature tests. Carbon fiber reinforced plastic VS-51/VTkU-2.200 is of increasi

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24

Zhao, Dongchu. "Study of Direct Measuring of Lubricant Condition in Rolling Element Bearings With Microcomputer Technique." Journal of Tribology 112, no. 1 (1990): 92–97. http://dx.doi.org/10.1115/1.2920236.

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A method for measuring the lubricant condition with strain gage in rolling element bearings and the instrument used are introduced. In order to illustrate the method and the instrument, the theory of measuring lubricant films in rolling element bearings using strain technique, test apparatus, microcomputer hardware as well as software, flow charts for the main program and subprograms, are first described in detail. In addition, the lubricant film thickness is measured for several different lubricants and results are compared with theoretical ones. It is demonstrated that using the method and t

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Kim, Yoon Sang, and Sung Young. "A Parameter Study for the Test Condition of Kolsky Bar Experiment." Applied Mechanics and Materials 752-753 (April 2015): 477–80. http://dx.doi.org/10.4028/www.scientific.net/amm.752-753.477.

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When the cross-sectional area of the specimen for the Kosky bar experiment (Split Hopkinson bar) is very small compared to the area of the input bar, most stress wave will be reflected and the signal detected by the strain gage attached on the output bar is very weak. The signal to noise ratio is very significant so that smoothing process is necessary to obtain meaningful results. To improve the design of the experiment, 2-dimensional finite element calculations are carried out for various specimen thickness and length and elastic stiffness of the bar. It is found that short specimen with larg

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Redza, Mohd Ridhwan Mohammed, Yupiter H. P. Manurung, Robert Ngendang A. Lidam, et al. "Transversed Residual Stress Analysis on Multipassed Fillet Weld 2D-Using FEM and Experiment." Advanced Materials Research 576 (October 2012): 181–84. http://dx.doi.org/10.4028/www.scientific.net/amr.576.181.

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In this project, the residual stress due to multipassed welding process at the fillet weld will be studied using 2D Finite Element Analysis (FEA) simulation method and experimental investigation. Due to the extensive capabilities and dedicated tools for the simulation of welding, including material deposit via element activation or deactivation and predefined or customized moving heat sources, SYSWELD 2010 was chosen as the FEA software. The material with a thickness of 9 mm was structural steel S355J2G3 for simulation and low carbon steel for the experiment. The clamping condition was selecte

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Hosono, Yumiko, Yuji Sato, Noboru Kitagawa, Osamu Shimodaira, and Satoshi Hara. "Assessment of Biomechanical Characteristic of Denture Supporting Tissue using an Ultrasonic Thickness Gage and a Tactile Sensor." Nihon Hotetsu Shika Gakkai Zasshi 51, no. 2 (2007): 291–99. http://dx.doi.org/10.2186/jjps.51.291.

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Joudi, Khalid A., Abdullah A. Kendoush, and Abdul-Rahman J. Mohammed. "EXPERIMENTAL MEASUREMENTS ON A CIRCULAR DISC IN FLOW." Journal of Engineering 9, no. 01 (2003): 9–23. http://dx.doi.org/10.31026/j.eng.2003.01.02.

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An experimental investigation was made for the study of incompressible flow on a circular disc. It consists of two parts. The first was the determination of the pressure distribution of the front an! rear sides of three samples of dises with diameters 9.73,10.75 and 11.94cm and 3mm thickness.Th: dises were mounted normal to the flow direction. This part also included the determination of pressure distribution on the front and rear sides of an inclined dise of 10.75 cm diameter it inclination angles of 30, 60, 120, and 150 to the horizontal. The second part of the investigation was the determin

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Ya, Min, Fulong Dai, and Jian Lu. "Study of Nonuniform In-Plane and In-Depth Residual Stress of Friction Stir Welding." Journal of Pressure Vessel Technology 125, no. 2 (2003): 201–8. http://dx.doi.org/10.1115/1.1545767.

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Friction stir welding (FSW) is a newly developed welding technique that can join aluminum alloys of low fusion weldability. The conventional hole-drilling method does not consider the nonuniform in-plane stress around the drilled hole, it is no longer valid for the residual stress of FSW which has high stress gradient. However, assuming the relaxation of in-plane nonuniform residual stress to be uniform on a small increment of the boundary of the hole, the recently developed Moire´ interferometry incremental hole-drilling (MIIHD) method can be used. Residual stress of a thin plate of friction

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Firrao, Donato, Paolo Matteis, Giovanni M. M. Mortarino, P. Russo Spena, Giorgio Scavino, and F. D'Aiuto. "Room Temperature Plastic Flow Localization in a Mn-Alloyed Austenitic Steel." Materials Science Forum 604-605 (October 2008): 139–46. http://dx.doi.org/10.4028/www.scientific.net/msf.604-605.139.

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A fully austenitic steel containing 0.5 wt.% C and 22 wt.% Mn was recently proposed for the fabrication of automotive body structures by room-temperature sheet forming, the goal being weight reduction and better crash performance owing to its much higher yield stress and elongation (as compared to presently employed ferritic and multiphase steels). Full-thickness tensile specimens, cut from as-produced sheets, were polished and tested at different strain rates, and the macroscopic surface relief eventually induced by the plastic deformation was recorded with a video camera. Between 0.3 and 0.4

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Yang, Erqi, He Liu, and Gang Zhang. "Performance study of CrN coatings prepared by DC magnetron sputtering." Journal of Physics: Conference Series 2541, no. 1 (2023): 012041. http://dx.doi.org/10.1088/1742-6596/2541/1/012041.

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Abstract Cutting edge declaration strategies and the progression of advanced troublesome coating materials are fundamental for the making of high-quality mechanical components. The point of this work is to induce prepared CrN coatings by magnetron sputtering at unmistakable nitrogen stream rates and to look at the effect of moving nitrogen stream rates on the composition, film thickness and mechanical properties of the gotten chromium nitride coatings. The outcomes appear that the nitrogen stream rate impacts the sputtering rate of the coating, i.e. the affirmation rate diminishes as the degre

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Karandaev, Alexander, Vadim Khramshin, Vadim Gasiyarov, Stanislav Voronin, and Boris Loginov. "Improving Algorithms for Control Thickness and Profile of Roll Gap in Reversing Rolling Stand at Thick-Gage Rolling Mill." Известия высших учебных заведений. Электромеханика 62, no. 4 (2019): 53–64. http://dx.doi.org/10.17213/0136-3360-2019-4-53-64.

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Abdurohman, Kosim, and Aryandi Marta. "KAJIAN EKSPERIMENTAL TENSILE PROPERTIES KOMPOSIT POLIESTER BERPENGUAT SERAT KARBON SEARAH HASIL MANUFAKTUR VACUUM INFUSION SEBAGAI MATERIAL STRUKTUR LSU." Jurnal Teknologi Dirgantara 14, no. 1 (2016): 61. http://dx.doi.org/10.30536/j.jtd.2016.v14.a2568.

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Vacuum infusion is a manufacturing method to improve mechanical properties of composite. Before apply this in LSU structure, it should be experimented using tensile test to know mechanical properties of the composite. Tensile test is an experimental to know tensile strength, modulus of elasticity, and failure modes of composite. Experimental process of CFRP composite using unidirectional carbon fiber and polyester matrix was done using vacuum infusion technology, strart from specimens preparation until testing steps. Manufacturing results gave the values of composite density and thickness; mas

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Abdurohman, Kosim, and Aryandi Marta. "KAJIAN EKSPERIMENTAL TENSILE PROPERTIES KOMPOSIT POLIESTER BERPENGUAT SERAT KARBON SEARAH HASIL MANUFAKTUR VACUUM INFUSION SEBAGAI MATERIAL STRUKTUR LSU." Jurnal Teknologi Dirgantara 14, no. 1 (2018): 61. http://dx.doi.org/10.30536/j.jtd.2016.v14.a2948.

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Vacuum infusion is a manufacturing method to improve mechanical properties of composite. Before apply this in LSU structure, it should be experimented using tensile test to know mechanical properties of the composite. Tensile test is an experimental to know tensile strength, modulus of elasticity, and failure modes of composite. Experimental process of CFRP composite using unidirectional carbon fiber and polyester matrix was done using vacuum infusion technology, strart from specimens preparation until testing steps. Manufacturing results gave the values of composite density and thickness; mas

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Delijaicov, Sergio, Carlos Eddy Valdez Salazar, Éd Claudio Bordinassi, and Linilsson Rodrigues Padovese. "Analysis of Surface Integrity for DIN 100Cr6 Steel Conical Bearing Rings after Hard Turning." Advanced Materials Research 223 (April 2011): 473–82. http://dx.doi.org/10.4028/www.scientific.net/amr.223.473.

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This work studies the influence of machining parameters, such as cutting speed and forces, feed rate, cutting depth, and tool flank wear, on the generation of surface residual stresses in DIN 100Cr6 steel conical bearing rings submitted to a hard turning process. A complete factorial planning was used to perform the tests and projected measurement. Cutting forces were measured by a piezoelectric dynamometer and residual stresses were determined by the hole-drilling method using strain gage. Results showed that after 2000 m of tool machining, phase transformations had been observed on sample su

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Mohidin, Norhani, and Lau Chean Ling. "Central and peripheral corneal thickness in Malays and its variation with age." Bangladesh Journal of Medical Science 17, no. 4 (2018): 600–605. http://dx.doi.org/10.3329/bjms.v17i4.38322.

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Background: Corneal thickness (CT) is an important parameter in refractive surgery but available data is scanty on corneal thickness of normal Malays. The purpose of this study is to determine central and peripheral CT in a sample of Malays and find its effect on age.Methods: Seventy–two (72) participants were invited to participate in this study. Their age ranged from 15 to 65 years old. CT was measured using an ultrasonic pachometer (Corneo-Gage TM Plus2) at 5 different locations namely central, superior, temporal, inferior and nasal regions of the cornea. A total of three readings were take

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Horbach, Eduardo, Josivaldo Godoy Da Silva, Daniela Araújo de Almeida, and Iandara Schettert Silva. "Development of Biomedical Dynamometer for Measurement of Grip Strength in Mice Modeled with Cerebral Palsy." International Journal for Innovation Education and Research 9, no. 11 (2021): 443–54. http://dx.doi.org/10.31686/ijier.vol9.iss11.3538.

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This research aimed to develop a biomedical dynamometer capable of measuring the grip strength of the forepaws of laboratory mices to verify the posterior phase, the effect of modeled cerebral palsy in the animal. The equipment was developed using a stainless steel blade, two double strain gages, a signal conditioning circuit that was connected to a software for acquisition, processing and plotting of graphs and tables in Excel. The metal blade has a length of 18.5 cm, a width of 1.5 cm and a thickness of 2 mm and a double strain gage model pa-09-125ha-350-l8 from Excel Sensors (Brazil), was g

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Detkov, A. Yu, V. F. Muzhitskii та V. B. Remezov. "The Noncontact Portable Electromagnetic Acoustic ЭMAT-100 Thickness Gage: Three-Dimensional Imaging of the Acoustic Fields of a Single-Phase Transmitter". Russian Journal of Nondestructive Testing 41, № 6 (2005): 362–68. http://dx.doi.org/10.1007/s11181-005-0178-6.

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Milčić, Miodrag, Igor Radisavljević, Zijah Burzić, et al. "The influence of welding speed on mechanical properties of friction stir welded joints of AA2024 T351 aluminum alloy." Scientific Technical Review 70, no. 2 (2020): 53–57. http://dx.doi.org/10.5937/str2002053m.

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The aim of this study is to analyze how the process parameters affect the mechanical properties of butt joints obtained by friction stir welding (FSW). The experimental study was performed by the FSW of sheets having a thickness equal to 6 mm and made of aluminum alloys AA2024 T351, varying the process parameters, namely rotational speed and welding speed. The following welding parameters were used: the rotation speed of the tool did not change and amounted to 750 rpm, and the welding speed was 73, 116,150 mm / min. The welds were obtained without the presence of errors and with an acceptable

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Perl, M., and R. Arone´. "An Axisymmetric Stress Release Method for Measuring the Autofrettage Level in Thick-Walled Cylinders—Part II: Experimental Validation." Journal of Pressure Vessel Technology 116, no. 4 (1994): 389–95. http://dx.doi.org/10.1115/1.2929606.

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The basic concept of a new experimental method for measuring the level of autofrettage in thick-walled cylinders as well as a comprehensive numerical simulation were presented in Part I of this paper. A pilot test is conducted herein on a 105-mm autofrettage gun barrel to validate the proposed procedure. First, a preliminary test is performed to determine the minimum thickness required for a ring, cut from the barrel, in order to be a representative, valid, and free of edge-effect specimen. Then, the main experiment is conducted consisting of the gradual release of the residual stress field du

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Ho, Ming Hsiung, Pin Ning Wang, Yi Kai Lin, Chih Yi Chang, and Ping Chen Shen. "The Shear Properties of DP980 High Strength Steel Plate." Applied Mechanics and Materials 552 (June 2014): 335–40. http://dx.doi.org/10.4028/www.scientific.net/amm.552.335.

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In this study, the high strength steel DP980 material shear properties were investigated. In the design process, first of all based on literature paper and test specimen optimal size requirements, and then find ways to meet the current test equipment maximum capacity (100 kN). The Studies completed DP980 1.4 mm specimens of tensile test, one-way shear test and forward and reverse shear loading experiments. Limited by the maximum output of the machine capacity 100 kN, the thickness 1.4 mm steel plate with strain gage measurements under unidirectional force generated by experiments at the maximu

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Alipour, S., and Hassan Farhangi. "Effects of Simulated Pit Distribution Parameters on Tensile Properties of a Structural Steel Plate." Advanced Materials Research 83-86 (December 2009): 537–44. http://dx.doi.org/10.4028/www.scientific.net/amr.83-86.537.

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Degradation of tensile properties resulting from geometrical discontinuities due to localized pitting is usually evaluated in terms of the reduced section thickness associated with pit geometry which lowers the load carrying capacity of the structure. However, the effects of finer parameters associated with pit distributions such as pit area percent (PAP) are not usually taken into account. In this research, the effects of spacing, depth and PAP on tensile properties of a structural steel are investigated. Simulated pit distributions were produced on the gage sections of flat tensile specimens

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Sharma, Ankush P., Sanan H. Khan, and Venkitanarayanan Parameswaran. "Response and failure of fiber metal laminates subjected to high strain rate tensile loading." Journal of Composite Materials 53, no. 11 (2018): 1489–506. http://dx.doi.org/10.1177/0021998318804620.

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The tensile behavior of fiber metal laminates consisting of layers of aluminum 2024-T3 alloy and glass fiber reinforced composites under high strain rate loading is investigated. Fiber metal laminates having four different layups, but all having the same total metal layer thickness, were fabricated using a combined hand lay-up cum vacuum bagging method. The fiber metal laminate specimens were loaded in high strain rate tension using a split Hopkinson tensile bar. The rate-dependent behavior of the glass fiber composite was also obtained as baseline data. The strain on the gage area of the spec

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Vaishnav, Ramesh N., Jafar Vossoughi, Dali J. Patel, LaVal N. Cothran, Bernell R. Coleman, and Eleanor L. Ison-Franklin. "Effect of Hypertension on Elasticity and Geometry of Aortic Tissue From Dogs." Journal of Biomechanical Engineering 112, no. 1 (1990): 70–74. http://dx.doi.org/10.1115/1.2891128.

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Inflation-extension experiments were carried out on segments of the descending thoracic aortas from 4 normotensive and 4 hypertensive dogs rendered hypertensive using either unilateral or bilateral renal artery constriction. Intravascular pressures up to 200 mm Hg and axial forces up to 200 g were used. The external diameter of the segment and the distance between two longitudinally spaced gage marks were recorded photographically at each pressure-force level combination. Dimensions in the undeformed configuration were measured at the end of the inflation-extension experiment. Data were analyz

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Kim, Song Mi, Woo Rim Park, Jun Seok Park, Sang Min Song, and Oh Heon Kwon. "Effect of Defects in Graphene/Cu Composites on the Density of States." Materials 16, no. 3 (2023): 962. http://dx.doi.org/10.3390/ma16030962.

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The process of handling and bonding copper (Cu) and graphene inevitably creates defects. To use graphene/Cu composites as electronic devices with new physical properties, it is essential to evaluate the effect of such defects. Since graphene is an ultrathin anisotropic material having a hexagonal structure, an evaluation of graphene/Cu composites containing defects was conducted taking into account the inherent structural characteristics. The purpose of this study is to evaluate defects that may occur in the manufacturing process and to present a usable basic method for the stable design resea

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Misumi, Jun, Raja Ganesh, Subramani Sockalingam, and John W. Gillespie. "Experimental characterization of tensile properties of epoxy resin by using micro-fiber specimens." Journal of Reinforced Plastics and Composites 35, no. 24 (2016): 1792–801. http://dx.doi.org/10.1177/0731684416669248.

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In unidirectional carbon fiber-reinforced plastic laminates, the distance between fibers can varies from submicron to micron length scales. The mechanical properties of the matrix at this length scale are not well understood. In this study, processing methods have been developed to produce high quality epoxy micro-fibers with diameters ranging from 100 to 150 µm that are used for tensile testing. Five types of epoxy resin systems ranging from standard DGEBA to high-crosslink TGDDM and TGMAP epoxy systems have been characterized. Epoxy macroscopic specimens with film thickness of 3300 µm exhibi

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Belanche Monterde, Alba, Javier Flores-Fraile, Jorge Alonso Pérez-Barquero, Andrea Peiro-Aubalat, Patricia Mendieta Lasierra, and Álvaro Zubizarreta-Macho. "Evaluation of Cement Remaining After Debonding and Polishing in Lingual Multibracket Appliance Using Planning Imaging 3D Software." Materials 18, no. 4 (2025): 781. https://doi.org/10.3390/ma18040781.

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Background: The aim of the present study was to assess the accuracy, repeatability and reproducibility of a novel digital technique to analyze the remaining cement after debonding lingual multibracket appliances and after polishing the remaining cement. Methods: Thirteen teeth were embedded in an epoxy resin simulating a dental arch and subsequently a digital impression was taken using an intraoral scanner; obtaining a standard tessellation language (STL1) digital file. Lingual multibracket appliances were bonded and debonded on the lingual surfaces of all teeth and another digital impression

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Pesin, Alexander, Ernest Drigun, Denis Pustovoytov, and Ilya Pesin. "Development of the Technology of Various Large Bodies Manufacturing Based on Combined Methods of Deformation." Key Engineering Materials 716 (October 2016): 659–66. http://dx.doi.org/10.4028/www.scientific.net/kem.716.659.

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Metallurgy and heavy engineering construction, which are considered the most energy-intensive industries, place great focus on complex shaped thick-gage plate metal items of equipment with wall thickness exceeding 40 mm and diameter/width of up to 4000 mm. Such items of equipment include large machine parts manufactured by means of hot plate stamping, such as bodies of rotation (for example, the segment of the radial surface of converter shell, the bottom part of degassing unit, etc.) utilized as pressure-operated devices, vessels, tanks and other facilities by metallurgical, petrochemical, oi

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Denisov, V. A., N. Yu Kozhukhova, G. V. Orekhova, and M. A. Mikhal'chenkova. "Influence of ploughshare design and welding reinforcement on the hardness of its nose part." Traktory i sel hozmashiny 83, no. 7 (2016): 36–40. http://dx.doi.org/10.17816/0321-4443-66209.

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The hardness of working surface of ploughshares is very significant for their abrasive wear resistance. Knowing this mechanical property is especially important for manufacturing and hardening of ploughshares, since their wear is not uniform. In this regard, the research problems include studying of hardness distribution in the most loaded nose part of ploughshare, depending on its design and on welding reinforcement as a hardening method. Ploughshares after reinforcement and ploughshares in as-delivered condition after their taking out of service are submitted as objects of the research. Rein

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Sahin, Fatih, Fırat Kafkas, and Cetin Karatas. "An Electrochemical Machining Device for Residual Stresses Measurement in PM Parts by Layer Removal Method." Materials Science Forum 672 (January 2011): 117–20. http://dx.doi.org/10.4028/www.scientific.net/msf.672.117.

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Residual stresses play an important role in the performance of materials and the components produced from them. All manufacturing processes introduce residual stresses. These stresses can have a positive effect, for example by increasing the fatigue limit in the case of compressive surface residual stresses. Layer removal by electrochemical machining (ECM) can be used for measurement of the residual stresses in the PM parts. The device removed the layers by aid of electrochemical machining for this purpose is designed and developed. The device setup for residual stress measurement is based to

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