A copper wire is stretched with a stress of 80 MPa at 20°C. If the length is held constant, to what temperature must the
Posted: Mon May 16, 2022 6:06 am
A copper wire is stretched with a stress of 80 MPa at 20°C. If the length is held constant, to what temperature must the wire be heated to reduce the stress to 35 MPa? The value of a for copper is 17.0 x 10(°C)-1, the modulus of elasticity is equal to 110 GPa. °C