Development of a novel CoCrNi-based eutectic high entropy alloy for a wide temperature range

K. R. Ramkumar,Hyojin Park,Jungwan Lee,Hyeonseok Kwon,R. J. Vikram,Eun Seong Kim, Alireza Zaragaran,Hyoung Seop Kim

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING（2023）

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摘要

This short communication elucidates the developed as-cast CoCrNi-based eutectic high entropy alloy by prefixing valence electron concentration to balance strength and ductility. The developed EHEA includes a face-centered cubic (FCC) phase, ordered B2 phase, and precipitates. The dislocation pile-up at the FCC/B2 interface balances the strength and ductility in a wide temperature range.

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关键词

Eutectic HEA,Dual phase,Valance electron concentration,BCC-B2,Tensile properties

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