Prediction of Fatigue Life of Welded Joints Made of Fine-Grained Martensite-Bainitic S960QL Steel and Determination of Crack Origins

Table 5

Results of calculations of the strain range Δε_notch.

Load εa (%)	Joint type	ΔσN (MPa)	Rσ (−)	(−)	αε (−)	ΔεN (%)	Δεnotch (%)
0.15	I	611	−0.02	0.616	2.09	0.278	0.58
	I	618	+0.03	0.651	2.16	0.281	0.61
	V	579	−0.19	0.500	1.74	0.264	0.46
	V	622	+0.33	0.953	2.51	0.283	0.71
0.20	I	826	−0.09	0.780	2.41	0.376	0.91
	I	841	−0.11	0.778	2.40	0.383	0.92
	V	890	−0.135	0.805	2.22	0.405	0.90
	V	800	+0.13	0.944	2.49	0.364	0.91
0.25	I	1072	−0.02	1.082	3.16	0.488	1.54
	I	1090	−0.21	0.925	2.74	0.496	1.36
	I	1067	−0.16	0.944	2.79	0.486	1.35
	V	1068	−0.17	0.937	2.48	0.486	1.20
	V	956	−0.14	0.861	2.32	0.435	1.01
0.30	I	1207	−0.24	0.999	2.93	0.550	1.61
	I	1219	−0.40	0.894	2.66	0.555	1.48
	V	1302	−0.47	0.909	2.42	0.593	1.43
	V	1248	−0.41	0.909	2.42	0.568	1.37
0.40	I	1479	−0.63	0.932	2.75	0.00673	1.85
	V	1425	−0.58	0.926	2.45	0.00649	1.59
	V	1576	−0.77	0.914	2.43	0.00718	1.74