This file type includes high resolution graphics and schematics when applicable. However, this relationship between stress and strain in a material is linear only when the force applied is within ...

When a material experiences an applied uniaxial tensile stress, s, it displays a strain response, e. In the initial stage of strain, the response is linear in the stress and may be described by ...

Oscillation Amplitude Sweep The oscillatory stress or strain is increased in this method, and the resulting changes in the elastic modulus (G') or the elastic stress (σ') due to increasing amplitude ...

Three samples of shale rock, two from the Eagle Ford play and one from the Haynesville play, were successfully tested by instrumented indentation using a Nano Indenter G200 from KLA. Results were ...

In this paper we consider a statistically homogeneous medium with small random variations in elastic properties. We derive the equations satisfied by the two point displacement field correlation ...

Many complex fluids, such as surfactant mesophases, network forming polymers, emulsions etc. do not flow until the applied stress crosses a certain critical value, called the yield stress. Materials ...

Strain is defined as the amount of deformation an object undergoes in response to an applied force. While it is easy to observe the results of strain—a stretch or a compression, for example—measuring ...

While most metals feature some degree of elasticity, some respond better than others to being bent out of shape. Scientists experimenting with the makeup of these materials have developed a novel, ...