通过摩擦辅助选择性区域电沉积制造铁钴镍合金薄膜

IF 5.3 2区 材料科学 Q1 MATERIALS SCIENCE, COATINGS & FILMS
Yang Song, Chenxu Liu, Yonggang Meng
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引用次数: 0

摘要

如今,碳中和目标越来越受到学术界和工业界的关注。在许多工业应用中,轴承部件的磨损和疲劳损坏是影响机器运行的常见故障。维护和更换损坏的轴承在能源和材料消耗方面造成了巨大的成本。本研究首次展示了一种用于磨损轴承滚道表面再制造的摩擦辅助电沉积(FAED)新技术。通过 FAED 技术,具有纳米晶的铁钴镍合金被成功沉积在选择性表面区域。对沉积的铁钴镍薄膜的表面形貌、微观结构特征和机械性能进行了定量表征。结果表明,摩擦载荷和电沉积时间对薄膜的微观结构及其表面光洁度有显著影响。横截面显示出铁、钴和镍的均匀分布。同时,在沉积薄膜中观察到典型的非晶和多晶特征。此外,沉积层还显示出与 GCr15 基底相匹配的理想机械性能,包括硬度、复合模量和摩擦系数。划痕测试结果表明,涂层与轴承钢之间实现了良好的结合强度。此外,还分析了摩擦在电沉积过程中的作用。这项研究为在轴承钢上实现合金薄膜的选择性区域电沉积提供了一条新途径,可进一步用于金属表面修复。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fabrication of FeCoNi alloy film via friction-assisted selective area electrodeposition
Nowadays, carbon neutrality target has been receiving a growing attention in academia and industry. In many industry applications, the wear and fatigue damages of bearing components are the frequent failures affecting machine operation. The maintenance and replacement of damaged bearings cause enormous cost in the aspects of consumptions of energy and materials. In this study, a novel technique of friction-assisted electrodeposition (FAED) is firstly demonstrated for surface remanufacturing of worn bearing races. By using the FAED technique, FeCoNi alloys with nanocrystalline were successfully deposited on the selective surface zone. The surface morphology, microstructure feature as well as mechanical properties of the deposited FeCoNi film were quantitatively characterized. The results have indicated that friction load and electrodeposition time have a remarkable effect on the microstructure of the film and its surface finish. The cross-section exhibited a uniform distribution of Fe, Co and Ni. Meanwhile, typical amorphous and polycrystalline features were observed within the deposited film. Additionally, the as-deposited layer shows desired mechanical properties, including hardness, complex modulus and friction coefficient, matching with those of the GCr15 substrate. Scratch test results showed that a good bonding strength between the coating and the bearing steel was achieved. Moreover, the role of friction in the electrodeposition process has been analyzed. This work provides a new route to achieve selective area electrodeposition of alloy films on bearing steel, which can be further developed for metal surface repairing.
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来源期刊
Surface & Coatings Technology
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.
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