Fracture Property of Y-Shaped Cracks of Brittle Materials under Compression

Table 1

Calculation results of SIF (MPa∗m^1/2) from ABAQUS code.

Angle	Crack A		Crack B		Crack C
	𝐾I	𝐾II	𝐾I	𝐾II	𝐾I	𝐾II
15°	−0.270	−0.002	−0.22	−0.018	−0.168	−0.010
30°	−0.271	−0.008	−0.247	0.001	−0.124	−0.051
45°	−0.272	−0.017	−0.265	0.017	−0.067	−0.068
60°	−0.273	−0.026	−0.275	0.029	−0.013	−0.067
75°	−0.276	−0.034	−0.279	0.036	0.026	−0.039
90°	−0.279	−0.038	−0.279	0.038	0.041	0