Cracking Driving Force at the Tip of SCC under Heterogeneous Material Mechanics Model of Safe-End Dissimilar Metal-Welded Joints in PWR

Table 2

Mechanical property data of the four materials at 340°C [14, 15].

Material	Young’s modulus, E (MPa)	Poisson ratio,	Yield stress, ɛ0 (MPa)	Work hardening exponent, n	Hardening parameter, α
A508	183150	0.3	476	8.08	1.78
Alloy52Mb	180000	0.3	393	4.45	12.36
Alloy52Mw	180000	0.3	389	4.99	9.93
316L	176390	0.3	227	3.24	10.46