A Fracture Criterion for Prediction of Fracture Initiation of Metal Materials at Various Stress States for Nuclear Waste Storage

Table 1

The experimental data points of QT400-15 nodular cast iron in combined tension-torsion tests.

P/T	0.0	0.17	0.38	0.72
(kN)	0.0	15.5	25.3	34.4	42.1
(N·m)	115.5	90.3	66.7	47.2	0.0
(MPa)	588.5	568.6	555.0	544.4	536.6
(MPa)	0	0	0	0	0
(MPa)	−588.5	−371.6	−214.4	−106.2	0.0
	0.0	0.08	0.16	0.24	0.33
(°)	42	38	32	22	0
(°)	45	39	33	24	0