A Study on Outstanding High‐Temperature Wear Resistance of High‐Entropy Alloys

Author:

Hamdi Hedayat1,Abedi Hamid Reza2ORCID,Zhang Yong3

Affiliation:

1. School of Mining and Metallurgical Engineering Amirkabir University of Technology (Tehran Polytechnic) Tehran 15875-4413 Iran

2. School of Metallurgy & Materials Engineering Iran University of Science and Technology (IUST) Tehran 16846-13114 Iran

3. Beijing Advanced Innovation Center of Materials Genome Engineering State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing Beijing 100083 China

Abstract

Wear property is a main reason for failure, especially for those parts which are mechanically moving and interacting with each other in industrial utilization. High‐entropy alloys (HEAs) are considered promising candidates to possess outstanding tribological factors of performance at high temperatures compared with conventional engineering alloys, which have drawn much attention from academic and industrial points of view. This study is performed to survey the influence of microstructure, grain size, precipitation, reinforcement, and elements addition on the wear resistance of HEAs over a wide temperature range. In this respect, the worn microstructure, wear rate, friction coefficient, hardness, wear track, and subsurface are precisely checked. This review also explores the high‐temperature wear resistance of thermally sprayed and additively manufactured HEAs associated with emphasizing the dominant wear mechanisms through in a wide range of temperatures.

Publisher

Wiley

Subject

Condensed Matter Physics,General Materials Science

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