Problem

Steady-state creep rate data are given in the following table for some alloy taken at 200°...

Steady-state creep rate data are given in the following table for some alloy taken at 200°C (473 K):

If it is known that the activation energy for creep is 140,000 J/mol, compute the steady-state creep rate at a temperature of 250°C (523 K) and a stress level of 48 MPa (7000 psi).

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Solutions For Problems in Chapter 8

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