Flaw Stability Considering Residual Stress for Aging Management of Spent Nuclear Fuel Multiple-Purpose Canisters
Journal Article
·
· Journal of Pressure Vessel Technology
- Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)
A typical multipurpose canister (MPC) is made of austenitic stainless steel and is loaded with spent nuclear fuel assemblies. Because heat treatment for stress relief is not required for the construction of the MPC, the canister is susceptible to stress corrosion cracking in the weld or heat affected zone regions under long-term storage conditions. Logic for flaw acceptance is developed should crack-like flaws be detected by Inservice Inspection. The procedure recommended by API 579-1/ASME FFS-1, Fitness-for-Service, is used to calculate the instability crack length or depth by failure assessment diagram. It is demonstrated that the welding residual stress has a strong influence on the results.
- Research Organization:
- Savannah River Site (SRS), Aiken, SC (United States)
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- AC09-08SR22470
- OSTI ID:
- 1254432
- Report Number(s):
- SRNL-STI-2015-00680
- Journal Information:
- Journal of Pressure Vessel Technology, Vol. 138, Issue 4; ISSN 0094-9930
- Publisher:
- ASMECopyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 9 works
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