Excellent friction properties of 19Al–24Cr–19Ti–37Ni–1Y eutectic high-entropy alloy cladding prepared on Inconel 617 through plasma cladding

IF 5.3 2区材料科学 Q1 MATERIALS SCIENCE, COATINGS & FILMS

Surface & Coatings Technology Pub Date : 2025-02-11 DOI:10.1016/j.surfcoat.2025.131911

Chengju Qiu, Xinjian Yuan, Silin Xiang, Xingfeng Zuo, Yang Li, Ting Li, Zheng Zhou

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引用次数: 0

Abstract

The traditional high-temperature alloy used for cladding layers has problems, such as cracking or even shedding, at the harsh service temperatures of the high-temperature wear-resistant sealing surfaces of valves. Eutectic high-entropy alloys (EHEAs), which combine the advantages of eutectic and high-entropy alloys, have good application prospects at these temperatures. In this study, cladding layers of Stellite 6 cobalt-based alloy, FeCoNiCrMn high-entropy alloy, and 19Al–24Cr–19Ti–37Ni–1Y EHEA were prepared through plasma cladding on Inconel 617 nickel-based alloy. The eutectic microstructure of the EHEA cladding layer comprises FCC, L2₁, and BCC phases, with the FCC phase containing an abundance of the acicular phase L1₂. The average hardness values of the three cladding layers are 450, 250, and 650 HV. The wear rate of the EHEA cladding layer is 4.8256 × 10⁻⁵ mm³/N·m, which has greatly improved compared with those of the base material and other cladding layers.

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来源期刊

Surface & Coatings Technology 工程技术-材料科学：膜

CiteScore

10.00

自引率

11.10%

发文量

921

审稿时长

19 days

期刊介绍： Surface and Coatings Technology is an international archival journal publishing scientific papers on significant developments in surface and interface engineering to modify and improve the surface properties of materials for protection in demanding contact conditions or aggressive environments, or for enhanced functional performance. Contributions range from original scientific articles concerned with fundamental and applied aspects of research or direct applications of metallic, inorganic, organic and composite coatings, to invited reviews of current technology in specific areas. Papers submitted to this journal are expected to be in line with the following aspects in processes, and properties/performance: A. Processes: Physical and chemical vapour deposition techniques, thermal and plasma spraying, surface modification by directed energy techniques such as ion, electron and laser beams, thermo-chemical treatment, wet chemical and electrochemical processes such as plating, sol-gel coating, anodization, plasma electrolytic oxidation, etc., but excluding painting. B. Properties/performance: friction performance, wear resistance (e.g., abrasion, erosion, fretting, etc), corrosion and oxidation resistance, thermal protection, diffusion resistance, hydrophilicity/hydrophobicity, and properties relevant to smart materials behaviour and enhanced multifunctional performance for environmental, energy and medical applications, but excluding device aspects.