<P> When subjected to a step constant stress , viscoelastic materials experience a time - dependent increase in strain . This phenomenon is known as viscoelastic creep . </P>
<P> When subjected to a step constant stress , viscoelastic materials experience a time - dependent increase in strain . This phenomenon is known as viscoelastic creep . </P>
during which type of stretching does viscoelastic creep occur
during which type of stretching does viscoelastic creep occur
a step constant stress
a step constant stress