In mechanics and materials science, strain rate is the time derivative of strain of a material. Strain rate has dimension of inverse time and SI units...

continuum mechanics, the strain-rate tensor or rate-of-strain tensor is a physical quantity that describes the rate of change of the strain (i.e., the relative...

Strain rate imaging is a method in echocardiography (medical ultrasound) for measuring regional or global deformation of the myocardium (heart muscle)...

science, shear rate is the rate at which a progressive shear strain is applied to some material, causing shearing to the material. Shear rate is a measure...

branch block. Strain rate imaging measures either regional systolic deformation (strain) or the rate of regional deformation (strain rate). The methods...

function of temperature. In the low temperature region 1 (T ≤ 0.25Tm), the strain rate must be high to achieve high τCRSS which is required to initiate dislocation...

of rate-independent plastic material. Nevertheless, three essential differences can be observed. At the same strain, the higher the rate of strain the...

fluids whose strain rate is a function of time. Fluids that require a gradually increasing shear stress to maintain a constant strain rate are referred...

for relating strain, strain rate and stress. 3) Based on the true stress-strain curve and its derivative form, we can estimate the strain necessary to...

In mechanics, strain is defined as relative deformation, compared to a reference position configuration. Different equivalent choices may be made for the...

latter case, it has a slightly different meaning relating stress and rate of strain. The model is usually applied to the case of small deformations. For...

the distance between two kernels into strain (deformation). Strain rate will then be time derivative of strain. In some commercial applications, the acoustic...

or as a given value (i.e. for a dashpot). Depending on the change of strain rate versus stress inside a material, the viscosity can be categorized as...

the distinct deformations under chewing can be affected by shear rate, shear strain, and shear stress applied through teeth. Based on these, it is helpful...

stress at a point within some material that can be attributed to the strain rate, the rate at which it is deforming around that point. The viscous stress tensor...

The critical strain is both temperature and strain rate dependent. The existence of a critical strain is attributed to better solute diffusivity due...

Slow strain rate testing (SSRT), also called constant extension rate tensile testing (CERT), is a popular test used by research scientists to study stress...

several material parameters that must be found through extensive testing. Strain-rate partitioning is a phenomenological model of thermo-mechanical fatigue...

are designed in the form of a relation between a stress-rate and a strain-rate (or the rate of deformation tensor). The mechanical response of a material...

therefore strain rate is constant. Equations that yield a strain rate refer to the steady-state strain rate. Stress dependence of this rate depends on...

understanding of strain phenomena; and (3) archive existing methods for modeling strain rates and strain transients. A completed global strain rate map provided...

correlated to the local strain rate — the rate of change of its deformation over time. Stresses are proportional to the rate of change of the fluid's...

engineering and materials science, a stress–strain curve for a material gives the relationship between stress and strain. It is obtained by gradually applying...

external stress at high homologous temperature (above ~0.4) and low strain rate and is intertwined with creep. Homologous temperature describes the operating...

the strain rate. Only a small group of fluids exhibit such constant viscosity. The large class of fluids whose viscosity changes with the strain rate (the...

in the stress rate field σ ˙ {\displaystyle {\dot {\sigma }}} kl at tc, there will not be any corresponding change in the strain rate field ϵ ˙ {\displaystyle...

increase the strain rate in superplastic deformation to the order of 10−2 s−1, called High strain Rate Superplasticity (HSRS). Increment of strain rate in superplastic...

where stress is proportional to strain in small deformations. Such response to stress is independent of strain rate. The classical theory of hydrodynamics...

creep during subsequent testing. • Strain rate consistently increased with strain during tests, and the rate of strain rate increase with stress was higher...

FCC. However, the relationship between the CRSS and temperature and strain rate is worth examining further. To understand the relationship between stress...