无钴共晶高熵合金研究进展

doi:10.11896/cldb.24050218

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Abstract Eutectic high entropy alloys have received wide attention because of their good comprehensive mechanical properties and casting processability, but the existing eutectic high entropy alloys usually contain the rare precious metal Co, which leads to high cost of the alloys and is not conducive to the strategic security and stable development of the country due to Co being a globally strategically scarce resource. Therefore, it is of great theoretical significance and application value to develop Co-free eutectic high entropy alloys. Based on the current research status of Co-free eutectic high entropy alloys, this paper introduces the composition design method of such alloys, focuses on FCC+enhanced-phase alloy system, BCC+enhanced-phase alloy system and other alloy systems, and analyzes in depth the design ideas, microstructure and mechanical pro-perties of the different alloy systems, and explores the problems and development trend of such materials, and finally proposes references for the development and application of Co-free eutectic high entropy alloys. This paper may provide reference for the development and application of Co-free eutectic high entropy alloys.

Key words： eutectic high entropy alloy composition design alloy system microstructure mechanical property

Published: Online: 2025-05-29

CLC number:

TG111.4

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	Articles by authors
	XUE Yunlong
	TIAN Kangkang
	LIU Hulin
	WU Yuanting
	YUAN Liang
	GAO Zhongtang

Cite this article:

XUE Yunlong,TIAN Kangkang,LIU Hulin, et al. Research Progress of Co-free Eutectic High Entropy Alloys[J]. Materials Reports, 2025, 39(11): 24050218-10.

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https://www.mater-rep.com/EN/10.11896/cldb.24050218 OR https://www.mater-rep.com/EN/Y2025/V39/I11/24050218

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