Question

d. The work required to initiate tensile failure in a cubic metre of annealed copper 8.2 Using the plot of nominal stress against nominal strain from Example 8.1, find: a.

The tensile strength of copper b. The strain at which tensile failure commences C. The percentage reduction in cross-sectional area at this strain

Question image 1Question image 2Question image 3Question image 4Question image 5