Preparation and friction wear performance of ZrO2/MoS2 PEO composite coating

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Tribology International Pub Date : 2024-10-09 DOI:10.1016/j.triboint.2024.110312

Jiayu He, Faqin Xie, Xiangqing Wu, Lang Li, Rui Luo, Hanming Yang, Shaoqing Wang

引用次数: 0

Abstract

PEO composite coatings doped with ZrO₂ and MoS₂ particles were prepared on the surface of TC21 alloy using the PEO process. The morphologies and phase compositions of the coatings were analyzed using FE-SEM, TEM, XRD refinement and XPS. The tribological and self-lubricating properties of the coatings were investigated through fretting wear experiments. The results indicate co-doping reduced the friction coefficient by approximately 30 %. The co-doped coating demonstrated higher crystallinity, whereas the ZrO₂ coating contained a significant amount of amorphous material. The wear mechanisms of the coating included three-body abrasive, adhesive, and oxidative wear. The self-lubricating properties of the coating were derived from the presence of MoS₂ and the destruction and deformation of the coating surface during fretting wear.

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ZrO2/MoS2 PEO 复合涂层的制备与摩擦磨损性能

采用 PEO 工艺在 TC21 合金表面制备了掺杂 ZrO2 和 MoS2 颗粒的 PEO 复合涂层。使用 FE-SEM、TEM、XRD 细化和 XPS 分析了涂层的形貌和相组成。通过摩擦磨损实验研究了涂层的摩擦学和自润滑性能。结果表明，共掺杂使摩擦系数降低了约 30%。共掺杂涂层的结晶度更高，而 ZrO2 涂层则含有大量无定形物质。涂层的磨损机制包括三体磨损、粘着磨损和氧化磨损。涂层的自润滑特性来自于 MoS₂的存在以及摩擦磨损过程中涂层表面的破坏和变形。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Tribology International 工程技术-工程：机械

CiteScore

10.10

自引率

16.10%

发文量

627

审稿时长

35 days

期刊介绍： Tribology is the science of rubbing surfaces and contributes to every facet of our everyday life, from live cell friction to engine lubrication and seismology. As such tribology is truly multidisciplinary and this extraordinary breadth of scientific interest is reflected in the scope of Tribology International. Tribology International seeks to publish original research papers of the highest scientific quality to provide an archival resource for scientists from all backgrounds. Written contributions are invited reporting experimental and modelling studies both in established areas of tribology and emerging fields. Scientific topics include the physics or chemistry of tribo-surfaces, bio-tribology, surface engineering and materials, contact mechanics, nano-tribology, lubricants and hydrodynamic lubrication.