Estimate the Brinell and Rockwell hardnesses for the following:

Estimate the Brinell and Rockwell hardnesses for the following:

Estimate the Brinell and Rockwell hardnesses for the following:
(a) The naval brass for which the stress–strain behavior is shown in Figure 6.12.
(b) The steel alloy for which the stress–strain behavior is shown in Figure6.21.