Ultrastrong and ductile (CoCrNi)94Ti3Al3 medium-entropy alloys via introducing multi-scale heterogeneous structures

Jianying Wang,Jianpeng Zou,Hailin Yang,Xixi Dong,Peng Cao,Xiaozhou Liao,Zhilin Liu,Shouxun Ji

Journal of Materials Science & Technology（2023）

引用 14|浏览27

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摘要

•A three-level heterogeneous structure was introduced in CoCrNi alloy.•(CoCrNi)94Ti3Al3 delivers ultimate tensile strength of 1.6 GPa and strain of 13.1%.•Heterogeneous matrix, γ' precipitate and defects led to high strength and ductility.

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关键词

Medium-entropy alloys,Mechanical properties,Heterogeneous structure,γ' nanoprecipitates,Crystalline defects

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