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

Table 6

Evaluation results of thermal fatigue and creep.

Evaluation item		C-C			D-D
		Calculated value	Limit	Check	Calculated value	Limit	Check
Primary stress limits (MPa)	Membrane	3.22	106	Ok	5.93	106	Ok
	Membrane + bending	5.24	167	Ok	9.80	167	Ok
Inelastic strain limits	Elastic analysis	0.732	1.0	Ok	0.542	1	Ok
	Simplified inelastic analysis	0.000	1%	Ok	0.000	1%	Ok
Creep-fatigue limits	Fatigue damage	0.084	—	—	0.016	—	—
	Creep damage	0.1	—	—	0.1	—	—