The effects of hydrogen isotopes and helium on the tensile properties of 21-6-9 stainless steel [electronic resource]

High-energy-rate-forged (HERF) stainless steels are used as the materials of construction for tritium and deuterium reservoirs. Hydrogen and helium, the decay product of tritium, are known to embrittle stainless steels (1--4). The resistance to hydrogen and helium induced embrittlement is relatively...

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Online Access: Online Access
Corporate Authors: Westinghouse Savannah River Company (Researcher), United States. Department of Energy. Savannah River Site (Researcher)
Format: Government Document Electronic eBook
Language:English
Published: Washington, D.C. : Oak Ridge, Tenn. : United States. Dept. of Energy ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 1990.
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Summary:High-energy-rate-forged (HERF) stainless steels are used as the materials of construction for tritium and deuterium reservoirs. Hydrogen and helium, the decay product of tritium, are known to embrittle stainless steels (1--4). The resistance to hydrogen and helium induced embrittlement is relatively good for HERF stainless steels when compared to annealed stainless steels due to their high number density of dislocations, which act as traps for hydrogen and helium. However, the degree of the embrittlement in these materials can vary considerably because of microstructure and yield strength variations introduced during the forging process. In this study the effect of hydrogen and tritium on the room temperature tensile properties of 21-6-9 stainless steel was measured as a function of HERF yield strength in the range of 500 to 918 MPa. The effect of a microstructures was studied also by conducting tensile tests with both HERF samples and annealed samples.
Item Description:Published through the Information Bridge: DOE Scientific and Technical Information.
12/31/1990.
"wsrc-ms--90-105"
" conf-901008--14"
"DE92011256"
Fall meeting of the Minerals, Metals and Materials Society (TMS),Detroit, MI (United States),7-11 Oct 1990.
Morgan, M.J.
Physical Description:13 p. : digital, PDF file.