Powder metallurgy of high-entropy alloys and related composites: A short review

High-entropy alloys (HEAs) have attracted increasing attention because of their unique properties, including high strength, hardness, chemical stability, and good wear resistance. Powder metallurgy is one of the most important methods used to fabricate HEA materials. This paper introduces the method...

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Veröffentlicht in:	International journal of minerals, metallurgy and materials metallurgy and materials, 2021-06, Vol.28 (6), p.931-943
Hauptverfasser:	Ke, Bo-ren, Sun, Yu-chen, Zhang, Yong, Wang, Wen-rui, Wang, Wei-min, Ma, Pei-yan, Ji, Wei, Fu, Zheng-yi
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloy powders Alloys Ceramics Cermets Characterization and Evaluation of Materials Chemistry and Materials Science Composites Corrosion and Coatings Engineering Entropy Glass Heat resistance High entropy alloys Invited Review Materials Science Mechanical properties Metallic Materials Metallurgy Natural Materials Phase transitions Plasma sintering Powder metallurgy Science Solid solutions Surfaces and Interfaces Thin Films Tribology Wear resistance
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Beschreibung
Zusammenfassung:	High-entropy alloys (HEAs) have attracted increasing attention because of their unique properties, including high strength, hardness, chemical stability, and good wear resistance. Powder metallurgy is one of the most important methods used to fabricate HEA materials. This paper introduces the methods used to synthesize HEA powders and consolidate HEA bulk. The phase transformation, microstructural evolution, and mechanical properties of HEAs obtained by powder metallurgy are summarized. We also address HEA-related materials such as ceramic-HEA cermets and HEA-based composites fabricated by powder metallurgy.
ISSN:	1674-4799 1869-103X
DOI:	10.1007/s12613-020-2221-y