Research Status and Prospects of Preparation of High Entropy Alloy Wear Resistant Coatings

doi:10.3901/JME.260042

Abstract

Abstract: The application of advanced surface engineering technologies for enhancing the performance of mechanical components can significantly improve their service safety and reliability under harsh conditions such as high speed, heavy load, and elevated temperatures while extending their service life. In recent years, high-entropy alloys(HEA) have emerged as a key research focus in high-performance coating materials due to their excellent mechanical properties, corrosion resistance, and high-temperature oxidation resistance. They are increasingly regarded as potential alternatives to traditional coating materials. Particularly in the field of wear-resistant coatings, HEA exhibit outstanding wear resistance. The fabrication methods of HEA wear-resistant coatings have become a research hotspot in recent years. Based on this, three widely used HEA coating preparation techniques are summarized:magnetron sputtering, thermal spraying, and laser cladding. The influence of process parameter optimization and element addition on the mechanical properties of the coatings is also discussed. Finally, key challenges that remain to be addressed, such as multi-objective optimization of process parameters, are highlighted, along with future prospects for HEA self-lubricating coatings.

Key words: high entropy alloys, wear-resistant coating, preparation process, quality optimization

CLC Number:

TG17

HAN Bingyuan, CHEN Ziming, DU Wenbo, ZHAO Yonglin, YANG Jun, ZHU Sheng. Research Status and Prospects of Preparation of High Entropy Alloy Wear Resistant Coatings[J]. Journal of Mechanical Engineering, 2026, 62(2): 131-145.

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