MAO电压对TC4合金氧化膜层摩擦磨损性能的影响

doi:10.13251/j.issn.0254-6051.2021.11.019

金属热处理 ›› 2021, Vol. 46 ›› Issue (11): 126-130.DOI: 10.13251/j.issn.0254-6051.2021.11.019

MAO电压对TC4合金氧化膜层摩擦磨损性能的影响

余国庆¹, 景然^1,2, 王国迪¹, 张曼雪¹, 冯甜¹, 解念锁^1,2

1.陕西理工大学材料科学与工程学院, 陕西汉中 723000;
2.陕西理工大学矿渣综合利用环保技术国家与地方联合工程实验室, 陕西汉中 723000

收稿日期:2021-06-06 出版日期:2021-11-25 发布日期:2021-12-08
通讯作者: 景然,副教授,博士,E-mail:qwe_jr@163.com
作者简介:余国庆(1994—),男,硕士研究生,主要研究方向为钛合金表面处理,E-mail:yuguoqingcailiao@163.com
基金资助:
国家自然科学基金(51701111);陕西省自然科学基础研究计划(2019JQ-881);陕西省教育厅专项科研计划(19JK0183);陕西理工大学矿渣综合利用环保技术国家地方联合工程实验室开放基金(SLGPT2019KF01-07)

Effect of MAO voltage on friction and wear properties of TC4 alloy oxide film

Yu Guoqing¹, Jing Ran^1,2, Wang Guodi¹, Zhang Manxue¹, Feng Tian¹, Xie Niansuo^1,2

1. School of Materials Science and Engineering, Shaanxi University of Technology, Hanzhong Shaanxi 723000, China;
2. National & Local Joint Engineering Laboratory for Slag Comprehensive Utilization and Environmental Technology, Shaanxi University of Technology, Hanzhong Shaanxi 723000, China

Received:2021-06-06 Online:2021-11-25 Published:2021-12-08

摘要/Abstract

摘要： 通过微弧氧化技术(Micro-arc oxidation, MAO)对TC4合金进行表面处理,探究了不同MAO电压对TC4合金氧化膜层摩擦磨损性能的影响。使用激光共聚焦显微镜、扫描电镜、X射线衍射仪、显微硬度计及高温真空摩擦磨损试验仪对膜层形貌、相成分、硬度以及摩擦学性能进行了测试。结果表明:随着MAO工作电压的升高,MAO-TC4合金表面膜层中锐钛矿型TiO₂和金红石型TiO₂的含量随之增加,其表面粗糙度、显微硬度以及平均摩擦因数亦随之增大,磨损率先降低后增大。当MAO工作电压为280 V时,磨损率最小,为2.8 mg/cm²,摩擦磨损性能最佳。

关键词: 微弧氧化, TC4钛合金, 摩擦磨损性能

Abstract: Effect of micro-arc oxidation(MAO) voltage on friction and wear properties of the TC4 alloy oxide film prepared via MAO technology was studied. The morphology, phase composition, hardness and friction and wear properties of the oxide film were tested by means of laser confocal microscope, scanning electron microscope, X-ray diffractometer, micro-hardness tester and high temperature vacuum friction and wear tester. The results show that with the MAO voltage increasing, the content of Anatase-TiO₂ and Rutile-TiO₂ in the MAO-TC4 alloy surface oxide film increases, and the surface roughness, microhardness and average friction coefficient of the oxide film also increase, while the wear rate of which first decreases and then increases. When the MAO voltage is 280 V, the optimum friction and wear property of the MAO-TC4 alloy oxide film is obtained, with the minimum wear rate of 2.8 mg/cm².

Key words: micro-arc oxidation(MAO), TC4 titanium alloy, friction and wear properties

中图分类号:

TG174.41

余国庆, 景然, 王国迪, 张曼雪, 冯甜, 解念锁. MAO电压对TC4合金氧化膜层摩擦磨损性能的影响[J]. 金属热处理, 2021, 46(11): 126-130.

Yu Guoqing, Jing Ran, Wang Guodi, Zhang Manxue, Feng Tian, Xie Niansuo. Effect of MAO voltage on friction and wear properties of TC4 alloy oxide film[J]. Heat Treatment of Metals, 2021, 46(11): 126-130.

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MAO电压对TC4合金氧化膜层摩擦磨损性能的影响

Effect of MAO voltage on friction and wear properties of TC4 alloy oxide film

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