HYDROGEN INTERACTION WITH STAINLESS STEEL 12Cr18Ni10Ti CONTAINING RADIOGENIC He-3
Fusion Science and Technology(2011)
摘要
Mechanical properties, structural changes and hydrogen interactions with stainless steel 12Cr18Ni10Ti subjected to accelerated radiogenic He-3 buildup by means of "tritium trick" technique were studied. After saturation with tritium up to equilibrium concentration at a pressure 50 MPa and T=773 K the samples were rapidly cooled to room temperature and aged at this temperature up to the buildup of a predetermined He-3 concentration. Kinetics of helium thermal release, hydrogen transport, trapping and accumulation in steel containing various concentration of He-3, synergistic influence of He-3 and hydrogen on mechanical properties of steel containing up to 500 appm He-3 and structural changes at various He-3 concentrations are discussed.
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关键词
Hydrogen Embrittlement,oxide dispersion-strengthened steels,High Temperature Behavior,irradiation-resistant steels
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