Experimental Verification and Estimation of Fatigue Crack Growth Delay due to Single Overload

Table 2

Loading parameters.

Steel 1045				Steel 1080
Rpic	Kpic	ΔK	R	Rpic	Kpic	ΔK	R
1.5	39	23.4	0.1	1.5	42.7	25.6	0.1
1.8	46.8	23.4	0.1	1.8	51.3	25.6	0.1
2	52	23.4	0.1	2	57	25.6	0.1
2.2	57.2	23.4	0.1	2.2	62.7	25.6	0.1
2.5	65	23.4	0.1	2.5	71.2	25.6	0.1