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Introduction to Stress-Strain Relationship and Its Measurement Techniques
2020In this chapter, the basic concepts of strain and the subject of components deformation and associated strain is proposed to be briefly discussed. The strain is a pure geometric quantity so there will be no limitation on the material of the component is required. The significant aspects related to strain and stress-strain relationship briefly discussed
Karthik Selva Kumar Karuppasamy +2 more
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Cell poker: An apparatus for stress-strain measurements on living cells
Review of Scientific Instruments, 1980An apparatus is described which can make force vs. displacement measurements on regions of a living cell. A force on the order of 10−3 dyne is applied by a stylus to an area of about 10 μm2 on the upper side of a cell growing on a culture dish. The resulting deformation is deduced from a solution conductance measurement with a sensitivity of 0.1 μm ...
W B, McConnaughey, N O, Petersen
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In silico stress–strain measurements on self-assembled protein lattices
Soft Matter, 2018We build a model 2-D nano-scaffold from beta-solenoid proteins fused with symmetric microbial multimers and characterize it using stress–strain simulations.
Rachel A. Baarda +3 more
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Dynamic Stress-Strain Measurements By High Speed Streak Photography
SPIE Proceedings, 1989Detonating explosives were used to induce high intensity stress waves in geologic materials. The method of loading the sample materials involved emplacing a cylindrical explosive charge in contact with one end of the specimen. To observe the wave propagation phenomena, the slit of a high speed streak camera was aligned with the axis of the explosive ...
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Measurement of stress/strain in single-crystal samples using diffraction
Journal of Applied Crystallography, 2006Diffraction profiles from an Si-single-crystal strip deformed in cantilever bending are presented as a function of tip displacement and incident-beam energy. Data obtained with slit-based diffracted-beam optics contain a secondary peak in addition to the primary 004 reflection for all energies when the bending strain is finite.
Hanfei Yan, I. C. Noyan
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Measuring Stress Strain Curves to Large Strains on Sheet Metal
Journal of Testing and Evaluation, 2007Abstract The stress-strain response of aluminium sheet has been determined by a novel plane strain compression test on laminated samples up to equivalent strains of 1.2. The test sample is composed of several sheet layers glued together, machined to shape, and then compressed in a lubricated channel die along the “thin” directions.
Bacha, Alexis +3 more
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Accuracy in measuring mechanical stresses (strains) with resistance strain gauges
Strength of Materials, 1984At present experimental design and scientific-research work in machine building is accompanied by massive strain measurement of parts and assemblies both on the system of parts and on test equipment [i]. The development of modern mechanisms and machines requires the greatest possible increase in the strength of critical parts with the minimum weight ...
V. M. Kapralov, N. I. Fesenko
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The Stress‐Strain‐Relation of Elasticity and the Measure of Strain
ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, 1960AbstractThe stress‐strain relation of elasticity which is independent of the measure of strain contains the straintensor in zero, first and second order and an infinite number of scalar parameters. When the displacement gradient is infinitesimal, the relation is reduced to sik = (λI + δII) δik + 2μ δik + 4μc ϵiα ϵαk with the four constant scalar ...
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Measurement of Stress-Strain Properties of Tendon with Ultrasound Parameters
2010Quantitative ultrasound (QUS) measurements have been proposed for quantitative evaluation of bone tissue noninvasively. It also demonstrated to have the potential to evaluate the properties of tendon. Stress strain properties of tendon are important information for many clinical applications, such as monitoring the recovering progression of surgery or ...
Yi-Chun Du +5 more
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Measurement of stress‐strain relationship and stress relaxation in various synthetic ligaments
Knee Surgery, Sports Traumatology, Arthroscopy, 1994AbstractIn an experimental study various synthetic augmentation devices for knee ligament surgery were tested in a servo‐mechanical universal tensile testing machine under uniaxial loading. Two tests were done to elucidate the mechanical behaviour: stress relaxation and stress‐strain relationship.
R, Kdolsky +3 more
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