問題詳情
5. For a copper alloy, the engineering yield strength is 170 MPa, the modulus ofelasticity is 110 GPa, the engineering ultimate tensile strength is 280 MPa where thecorresponding engineering strain 0.18, and the reduction in area just before fractureis measured to be 32%.
【題組】(a) Estimate the engincering strain just before yield. (3%)
參考答案