Research on the Behavior and Mechanism of Three-Dimensional Crack Growth under Uniaxial Loading

Table 1

Initiation stress and peak stress for different types of samples.

Crack angle (°)	0	30	45	60	90
Initiation stress (MPa)	22.04	12.53	9.80	11.55	12.14
Peak stress (MPa)	26.01	17.27	16.78	14.77	15.84
Initiation stress level (%)	85	73	58	78	77