Multi-layer structure improves wear and corrosion resistance of chromium

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

Surface & Coatings Technology Pub Date : 2025-04-15 DOI:10.1016/j.surfcoat.2025.132165

Xingwen Zhang , Qingzhong Mao , Zhifei Yu , Shaojia Shi , Zhan Liu , Yonghao Zhao

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引用次数: 0

Abstract

Electrodeposited hard chromium coatings have been proven to significantly improve the friction and wear properties of matrix metallic materials. Due to the presence of microcracks, there is an inverse relationship between the friction and corrosion properties of hard chromium coatings. In this work, we designed and successfully prepared chromium coatings with alternating soft and hard chromium by pulse and direct current processes. The experimental results show that the multilayer structure can significantly reduce the microcrack density of the surface hard chromium coating. The wear rate and corrosion potential of the multi-layer Cr coating with five layers are 3.48 × 10⁻⁵·mm³·N⁻¹·m⁻¹ and −524 mV, respectively. Compared with the single hard/soft chromium coating, the multilayer structure achieves a good synergy of wear resistance and corrosion performance. This is attributed to the multi-layer structure can effectively reduce the generation and propagation of microcracks. In the multi-layer structure, each layer can play a buffering role, reduce the brittleness of the overall coating, improve the wear resistance, and at the same time, in the multi-layer coating, more interfaces are formed, which prevent the further penetration of corrosive media to a certain extent.

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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.