A novel methodology to estimate hydrogen diffusivity and its applications in revealing hydrogen effects in CoCrNi medium-entropy alloy versus 316L stainless steel
INTERNATIONAL JOURNAL OF PLASTICITY(2023)
摘要
•A novel method to estimate hydrogen diffusivity via nanoindentation was proposed.•CoCrNi MEA shows 0.7 times higher hydrogen diffusivity than SS316L.•The high Ni content in CoCrNi MEA enhances the hydrogen diffusivity.•Hydrogen-vacancy interaction caused hardening-softening competition in CoCrNi MEA.
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关键词
Nanoindentation,Hardness,Hydrogen diffusivity,Face-centered cubic,Stainless steel,Medium-entropy alloy
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