Question: Consider the brass alloy discussed in Problem 7.41. Given the following yield strengths for the two specimens, compute the heat treatment time required at 650oC

Consider the brass alloy discussed in Problem 7.41. Given the following yield strengths for the two specimens, compute the heat treatment time required at 650oC to give a yield strength of 90 MPa. Assume a value of 2 for n, the grain diameter exponent?

Time (min) __________ Yield Strength (MPa)

40 ..................................... 80

100 ....................................70

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