Question

Many polymeric materials are susceptible to time-dependent deformation when the stress level is maintained constant; such deformation is termed _________

(a) viscoelastic creep 

(b) creep 

(c) hardness 

(d) Relaxation modulus 

Answer 1

Many polymeric materials are susceptible to time-dependent deformation when the stress level is maintained constant; such deformation is termed viscoelastic creep.