Question: Steady-state creep rate data are given here for some alloy taken at 200C (473 K): s (h -1 ) (MPa) 2.4 10 -3 55 2.2

Steady-state creep rate data are given here for some alloy taken at 200C (473 K):

s (h^-1)	(MPa)
2.4 10^-3	55
2.2 10^-2	70

If it is known that the activation energy for creep is 120000 J/mol, compute the steady-state creep rate at a temperature of 250C (523 K) and a stress level of 45 MPa.

ans: _______ h^-1

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