Steady-state creep rate data are given for an alloy taken at 474 K with the activation energy for creep of 140,000 J/mole. Compute the steady-state creep rate at a temperature of 523 K and a stress level of 48 MPa.
Data
E= 2.5e-3 h-1 when stress= 55 MPa
E= 2.5e-2 h-1 when stress= 69 MPa.