A material displayed a strain rate of deformation of 4.5 x 10-7 s-1 after a time of 100 h under an applied stress of 45 MPa. What will be the deformation rate after a time of 300 h if the material is displaying a logarithmic creep behaviour? e = e0 + alpha*ln(1+gamma*t)

A material displayed a strain rate of deformation of 4.5 x 10-7 s-1 after a time of 100 h under an applied stress of 45 MPa. What will be the deformation rate after a time of 300 h if the material is displaying a logarithmic creep behaviour? e = e0 + alpha*ln(1+gamma*t)