合金元素对激光熔覆高熵合金涂层影响的研究进展

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Abstract Laser cladding is a widely used coating preparation method, which can realize the precise control of energy and quality, has little thermal effect on the substrate, has low coating dilution ratio, and forms metallurgical combination with the substrate. Compared with bulk materials, the application of coating reduces the waste of materials and conforms to the concept of environmental protection. In recent years, laser cladding technology is one of the main hot spots in the field of high-entropy alloy. Due to the “cocktail effect” of high-entropy alloy, the choice of main elements plays a decisive role in the coating performance. Therefore, this paper mainly introduces the influence of the main elements of alloy elements on the phase formation and the properties of wear resistance, corrosion resistance and oxidation resistance in the laser cladding of high-entropy alloy coating. This paper mainly introduces the influence rules of the main metal elements Fe, Cr, Mn, Al, Ti, Co, Ni and the four non-metal elements C, N, B, Si in the high-entropy alloy. The results show that the composition and structure of the high-entropy alloy phase can be changed by macro and micro alloying, so as to improve the properties of the material. In addition, the application prospect and future research direction of laser cladding high-entropy alloy coating are also prospected.

Key words： high-entropy alloys (HEAs) coatings laser cladding alloying elements

Published: 01 July 2020

CLC number:

TG139

Fund:This work was supported by Science and Technology Plan Project of Zhejiang Electromechanical Group Co., Ltd. (2019JD015); School Enterprise Cooperation Project of ZIME (C-7276-18-004); Teaching Reform and Construction Project of ZIME (A-0154-19-310, A-0151-19-311, A-0152-18-304); Domestic Visiting Engineer Project of Zhejiang.

About author:: Tao Wu graduated from University of Science and Technology Beijing (USTB) in 2013, he is now a lecturer of Zhejiang Institute of Mechanical and Electrical (ZIME). At present, he is mainly engaged in teaching and research work in high-performance alloy materials, laser additive manufacturing, key parts detection and failure analysis, etc., and has completed a number of scientific research projects such as the national science and technology support plan project, the “948” project of the Ministry of Water Resources, the public welfare project of Zhejiang Province, etc. In addition, he actively promote the transformation of technological achievements, preside over 4 school enterprise cooperation projects, publish more than 10 domestic and foreign scientific research papers, and obtain a national patent.

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	WU Tao
	DUAN Jiawei
	CHEN Xiaoming
	YU Litao
	CHEN Yunxiang
	SHI Shuqin

Cite this article:

WU Tao,DUAN Jiawei,CHEN Xiaoming, et al. Research Progress of the Effect of Alloying Element on Laser CladdingHigh-entropy Alloy Coatings[J]. Materials Reports, 2020, 34(Z1): 413-419.

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http://www.mater-rep.com/EN/ OR http://www.mater-rep.com/EN/Y2020/V34/IZ1/413

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