Reference Strain Rate: Definition, Importance, and Applications

Strain rate is the rate at which deformation (change in shape or size) occurs in a material. It is often expressed as the change in strain per unit time, typically in units of per second (s^-1). The reference strain rate is the specific strain rate at which the deformation of a material is measured or studied. This can vary depending on the type of material and the specific application. For example, the reference strain rate for testing the mechanical properties of metals may be around 0.001 s^-1, while for testing the properties of polymers it may be around 1 s^-1.