Printability and microstructure of the CoCrFeMnNi high-entropy alloy fabricated by laser powder bed fusion

A. Piglione,B. Dovgyy,C. Liu,C.M. Gourlay,P.A. Hooper,M.S. Pham

Materials Letters（2018）

引用 125|浏览8

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摘要

•The CoCrFeMnNi high-entropy alloy exhibits excellent printability.•Rapid cooling leads to epitaxial growth of fine cells within the melt-pools.•Repeated metal deposition induces grain selection via competitive grain growth.•Scanning strategy and grain selection govern microstructure evolution.

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关键词

High-entropy alloys,Additive manufacturing,Laser powder bed fusion,Rapid cooling,Competitive growth,Epitaxial growth

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