Friction and Wear Properties of FeCoCrNiAl High Entropy Alloy Coatings Prepared by Atmospheric Plasma Spraying at High Temperature

WANG Yue-ming; LI Chen-long; HAN Xu-hang; HUANG Jie; ZHU Jian-yong; XIE Lu; LIU Xiu-bo

doi:10.16490/j.cnki.issn.1001-3660.2023.10.012

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Surface Technology ›› 2023, Vol. 52 ›› Issue (10) : 160-170, 180. DOI: 10.16490/j.cnki.issn.1001-3660.2023.10.012

Friction and Wear Properties of FeCoCrNiAl High Entropy Alloy Coatings Prepared by Atmospheric Plasma Spraying at High Temperature

WANG Yue-ming¹, LI Chen-long¹, HAN Xu-hang¹, HUANG Jie¹, ZHU Jian-yong², XIE Lu³, LIU Xiu-bo⁴

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Abstract

HIGH entropy alloys (HEAs) can be widely used in aerospace, biomedicine, new energy, nuclear industry, etc. for their high strength and hardness, superior wear resistance and corrosion resistance. However, the cost of HEAs is expensive due to the high price of each principal component. HEA coatings developed based on HEA theory and modern surface technology can not only reduce preparation cost, but also obtain superior properties. The work aims to prepare FeCoCrNiAl HEA coatings under a power of 15, 20 and 25 kW by atmospheric plasma spraying (APS) and investigate the effects of temperature on microstructure and wear resistance of HEA coatings.

Key words

atmospheric plasma spraying; FeCoCrNiAl high entropy alloy; coating; microstructure; friction and wear properties

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WANG Yue-ming, LI Chen-long, HAN Xu-hang, HUANG Jie, ZHU Jian-yong, XIE Lu, LIU Xiu-bo. Friction and Wear Properties of FeCoCrNiAl High Entropy Alloy Coatings Prepared by Atmospheric Plasma Spraying at High Temperature[J]. Surface Technology. 2023, 52(10): 160-170, 180