Fig. 22

The relation between Mode I SIF (KI) value at the average fracture load of SCB specimen and S2/S1 with different radius R for (a) t/R = 0.33, (b) t/R = 0.66 and (c) t/R = 1.
The relation between Mode I SIF (KI) value at the average fracture load of SCB specimen and S2/S1 with different radius R for (a) t/R = 0.33, (b) t/R = 0.66 and (c) t/R = 1.