Friction and wear behavior of micro-arc oxidation-modified graphene/epoxy resin composite coating on TC4 titanium alloy Reibungs- und Verschleißverhalten einer durch Mikro-Lichtbogen-Oxidation modifizierten Graphen/Epoxidharz-Verbundbeschichtung auf einer TC4-Titanlegierung

IF 1.2 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Materialwissenschaft und Werkstofftechnik Pub Date : 2024-07-19 DOI:10.1002/mawe.202300313

X. W. Chen, S. Tang, W. L. Xie, M. Zhang, H. Song, Q. Z. Ran, D. F. Zhang, D. Z. Zeng

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Abstract

To enhance the friction and wear performance of TC4 titanium alloy, micro-arc oxidation(MAO) coating was fabricated on its surface, which was subsequently sealed with a modified graphene/epoxy resin coating to form a composite coating of micro-arc oxidation -modified graphene/epoxy resin. The friction and wear performance of samples sealed by different methods are analyzed and characterized using a scanning electron microscope, an energy spectrometer, and friction and wear tester. The results indicate that the modified graphene/epoxy resin coating successfully combines with the micro-arc oxidation coating and fills the pores, thereby enhancing the friction and wear performance of the composite coating. In tribological tests, compared with other samples, this composite coating has a lower friction coefficient and specific wear rate, showing excellent friction and wear performance, and its main wear mechanism is adhesive wear. Therefore, the fabrication of a micro-arc oxidation -modified graphene/epoxy resin composite coating can improve the friction and wear performance of TC4 titanium alloy.

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微弧氧化改性石墨烯/环氧树脂复合涂层在 TC4 钛合金上的摩擦和磨损行为

为了提高 TC4 钛合金的摩擦和磨损性能，在其表面制作了微弧氧化（MAO）涂层，然后用改性石墨烯/环氧树脂涂层密封，形成了微弧氧化-改性石墨烯/环氧树脂复合涂层。使用扫描电子显微镜、能谱仪和摩擦磨损测试仪对不同方法密封的样品的摩擦磨损性能进行了分析和表征。结果表明，改性石墨烯/环氧树脂涂层成功地与微弧氧化涂层结合并填充了孔隙，从而提高了复合涂层的摩擦和磨损性能。在摩擦学测试中，与其他样品相比，该复合涂层具有更低的摩擦系数和比磨损率，表现出优异的摩擦磨损性能，其主要磨损机理为粘着磨损。因此，微弧氧化改性石墨烯/环氧树脂复合涂层的制备可以改善 TC4 钛合金的摩擦磨损性能。

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来源期刊

Materialwissenschaft und Werkstofftechnik 工程技术-材料科学：综合

CiteScore

2.10

自引率

9.10%

发文量

154

审稿时长

4-8 weeks

期刊介绍： Materialwissenschaft und Werkstofftechnik provides fundamental and practical information for those concerned with materials development, manufacture, and testing. Both technical and economic aspects are taken into consideration in order to facilitate choice of the material that best suits the purpose at hand. Review articles summarize new developments and offer fresh insight into the various aspects of the discipline. Recent results regarding material selection, use and testing are described in original articles, which also deal with failure treatment and investigation. Abstracts of new publications from other journals as well as lectures presented at meetings and reports about forthcoming events round off the journal.