An Analytical Model for the Identification of the Threshold of Stress Intensity Factor Range for Crack Growth

Table 3

Parameter values for the five datasets.

	α	β					MPa
Ghonem and Dore Set I	1.91	1.34	914314	4.40	6.75	0.81	1.42
Ghonem and Dore Set II	1.69	1.33	695502	3.43	6.33	0.72	1.63
Ghonem and Dore Set III	4.73	1.53	1635716	4.58	6.38	1.57	1.90
Virkler	2.93	1.28	2211197	6.59	19.84	0.75	2.79
Wu and Ni	58.04	1.85	842999	6.45	21.25	3.65	3.61