Determine the strength coefficient

Reference no: EM131771134

Question: A metal is deformed in a tension test into its plas-tic region. The starting specimen had a gage length 2.0 in and an area = 0.50 in2. At one point in the tensile test, the gage length = 2.5 in and the corresponding engineering stress = 24,000 lb/in2; at another point in the test prior to necking, the gage length = 3.2 in and the corresponding engineering stress = 28,000 lb/in2. Determine the strength coefficient and the strain-hardening exponent for this metal.

Reference no: EM131771134

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