Laser cladding-spraying fabrication of Al/Ni/WC@SMP-MoS2 composite coating with enhanced anti-corrosion and self-lubricating property

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

Surface & Coatings Technology Pub Date : 2025-03-07 DOI:10.1016/j.surfcoat.2025.132017

Guangliang Zhang, Zhichao Ren, Jinlei Hu, Yuanyuan Hou, Hongyu Zheng

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引用次数: 0

Abstract

Aluminum alloy has many advantages and is widely used in aviation, automobile industry, machinery and other fields. However, it has the problems of low hardness, poor wear resistance and low melting point, which makes it have certain limitations in application. In this study, the morphology and properties of Al/Ni/WC cladding layer prepared by laser cladding and Al/Ni/WC @ SMP-MoS₂ self-lubricating and anti-wear composite coating prepared by laser cladding / spraying organic silane sol adhesive (SMP) and MoS₂ were tested and analyzed. The WC content increased from 4 % to 16 %, and the surface hardness of the cladding layer increased from 1031.7 HV₂ to 1099.7 HV₂, which is about 7 times that of the matrix. The average friction coefficient of Al/Ni/WC cladding and Al/Ni/WC@SMP-MoS₂ composite coating is 46 % and 55 % lower than that of the matrix, respectively. The corrosion potential of Al/Ni/WC@SMP-MoS₂ composite coating increases to −0.8196 V, and the corrosion current density decreases by 3 orders of magnitude. These studies have important significance for promoting the application of aluminum alloy in engineering metal protection, automobile industry and other fields.

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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.