Corrosion and corrosion-wear behavior of the (FeCoCrNi)75B15Si10 high-entropy amorphous alloy coatings prepared by plasma spraying

IF 7.4 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Corrosion Science Pub Date : 2025-05-04 DOI:10.1016/j.corsci.2025.113013

Peisong Song , Jiangbo Cheng , Xiuyu Wang , Zhibin Zhang , Liliang Shao , Lin Xue , Zhiyuan Jing , Baosen Zhang , Yuping Wu , Sheng Hong , Xiubing Liang

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Abstract

High-entropy amorphous alloy (HEAA) coatings are regarded as novel surface protection materials for engineering equipment due to their excellent corrosion and wear resistance. (FeCoCrNi)₇₅B₁₅Si₁₀ (at%) HEAA coatings were prepared by plasma spraying under different heat input conditions. The HEAA coatings exhibit a fully amorphous structure. With moderate heat input, the HEAA coatings have optimal corrosion resistance with a passive film thickness of about 4.6 nm. The corrosion-wear results show that under continuous application of varying loads and potentials, the open-circuit potential of the coatings gradually decreases with increasing load, while corrosion current density continuously increases with rising potential. The prepared coatings exhibit superior corrosion and corrosion-wear resistance compared to the EQ 70 steel substrate, providing effective protection for the substrate material.

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等离子喷涂制备（feccrni）75B15Si10高熵非晶合金涂层的腐蚀和腐蚀磨损行为

高熵非晶态合金（HEAA）涂层以其优异的耐蚀性和耐磨性被认为是一种新型的工程设备表面保护材料。在不同的热输入条件下，采用等离子喷涂法制备了（feccrni）75B15Si10 (at%) HEAA涂层。HEAA涂层呈完全非晶结构。当热输入适中时，HEAA涂层具有最佳的耐蚀性，钝化膜厚度约为4.6 nm。腐蚀磨损结果表明，在不同载荷和电位的连续作用下，涂层的开路电位随载荷的增加而逐渐减小，腐蚀电流密度随电位的升高而不断增大。与EQ 70钢基体相比，制备的涂层具有更好的耐腐蚀和耐腐蚀磨损性能，为基体材料提供了有效的保护。

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来源期刊

Corrosion Science 工程技术-材料科学：综合

CiteScore

13.60

自引率

18.10%

发文量

763

审稿时长

46 days

期刊介绍： Corrosion occurrence and its practical control encompass a vast array of scientific knowledge. Corrosion Science endeavors to serve as the conduit for the exchange of ideas, developments, and research across all facets of this field, encompassing both metallic and non-metallic corrosion. The scope of this international journal is broad and inclusive. Published papers span from highly theoretical inquiries to essentially practical applications, covering diverse areas such as high-temperature oxidation, passivity, anodic oxidation, biochemical corrosion, stress corrosion cracking, and corrosion control mechanisms and methodologies. This journal publishes original papers and critical reviews across the spectrum of pure and applied corrosion, material degradation, and surface science and engineering. It serves as a crucial link connecting metallurgists, materials scientists, and researchers investigating corrosion and degradation phenomena. Join us in advancing knowledge and understanding in the vital field of corrosion science.