Effect of solid-solution strengthening on deformation mechanisms and strain hardening in medium-entropy V1-xCrxCoNi alloys

Hyun Chung,Dae Woong Kim,Woo Jin Cho,Heung Nam Han,Yuji Ikeda,Shoji Ishibashi,Fritz Körmann,Seok Su Sohn

Journal of Materials Science & Technology（2022）

引用 29|浏览5

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摘要

•The solid-solution strength linearly increases with v in V1-xCrxCoNi alloys.•Addition of v highly increases SFE and induces planar slip behavior.•The V-abundant VCrCoNi alloys exhibit higher strain-hardening than TWIP CrCoNi alloy.•High friction stress is predominant than SFE in determining deformation mechanism.•High friction stress lowers cross-slip activation and dislocation annhiliation rate.

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关键词

Medium-entropy alloy,Tensile property,Solid-solution strength,Strain-hardening rate,Stacking fault energy

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