Materials screening tests for the krypton-85 storage development program. Final report. [Nitronic 50; 4130 steel]

Technical Report · Wed Apr 01 04:00:00 EST 1981

OSTI ID:6783578

Nagata, P K

The results of a materials testing program for krypton-85 storage techniques are reported. Corrosion and stress corrosion tests were performed on a variety of materials including AISI 4130, Type 316 SS, Type 304 SS, Type 310 SS, Nitronic 50, and alloy A286. Test environments were high-purity liquid rubidium, liquid rubidium contaminated with oxygen, and rubidium hydroxide. Oxygen and water contaminations in liquid rubidium were found to greatly increase both general and localized corrosion of the materials tested. For the HPGSCs (high-pressure gas storage cylinders), the oxygen plus water content of krypton-85 gas should be less than 100 ppM. Alloy A286, Type 304 SS, and AISI 4130 have been eliminated as candidate materials due to their susceptibility to general corrosion and stress corrosion cracking. Type 316 SS and Nitronic 50 may survive the HPGSC environment, but more tests are needed. The same comments apply to the BGHPV (balanced-gas high-pressure vessel). In addition, Type 310 SS should be evaluated along with Nitronic 50 and Type 316 SS. 33 figures, 12 tables.

• Research Organization: Exxon Nuclear Idaho Co., Inc., Idaho Falls (USA)
• DOE Contract Number: AC07-79ID01675
• OSTI ID: 6783578
• Report Number(s): ENICO-1081
• Country of Publication: United States
• Language: English

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ALLOYS
ALUMINIUM ADDITIONS
ALUMINIUM ALLOYS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
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ELEMENTS
EVEN-ODD NUCLEI
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HOURS LIVING RADIOISOTOPES
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LIQUID METALS
LIQUIDS
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MATERIALS
MATERIALS TESTING
METALS
MOLYBDENUM ALLOYS
NICKEL ALLOYS
NUCLEAR FACILITIES
NUCLEI
OXYGEN COMPOUNDS
RADIOACTIVE WASTE STORAGE
RADIOISOTOPES
RUBIDIUM
RUBIDIUM COMPOUNDS
RUBIDIUM HYDROXIDES
STAINLESS STEEL-310
STAINLESS STEEL-316
STAINLESS STEELS
STEELS
STORAGE
STRESS CORROSION
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TITANIUM ALLOYS
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YEARS LIVING RADIOISOTOPES