Problem

Steady-state creep data taken for a stainless steel at a stress level of 70 MPa (10,000 ps...

Steady-state creep data taken for a stainless steel at a stress level of 70 MPa (10,000 psi) are given as follows:

εs (s –1)

T(K)

1.0 × 10–5

977

2.5 × 10–3

1089

If it is known that the value of the stress exponent n for this alloy is 7.0, compute the steady-state creep rate at 1250 K and a stress level of 50 MPa (7250 psi).

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