A single edge-cracked bend specimen (Figure 15.2a) is made of a high-strength titanium all...

A single edge-cracked bend specimen (Figure 15.2a) is made of a high-strength titanium alloy with fracture toughness . It has thickness B = 60 mm, a depth W = 120 mm, and a length L = 480 mm. An edge crack of length a = 60 mm is cut into its lower edge. Determine the load P that produces fracture. Assume that Case 6 of Table 15.2 applies with M = PW.

FIGURE 15.2 Standard toughness specimens. (a) Single edge-cracked bend specimen.

TABLE 15.2 Stress Intensity Factors KI