Research on the Creep and Fatigue Evaluation Method of the Double-Layered Annulus Metal Hydride Bed Combined with Numerical Modeling and ASME Code

Table 3

Evaluation of stress strength and fatigue.

Evaluation item	Code criterion	Evaluation location	Calculated value	Allowable	Check
Stress limits (MPa)	PL	A-A	7.55	109	Ok
		B-B	10.16		Ok
	PL + Pb	A-A	9.54	164	Ok
		B-B	16.51		Ok
	P + Q	A-A	239.09	327	Ok
		B-B	113.43		Ok
Fatigue limit	Cumulative usage factor		0.059	1.0	Ok