Effect of pulse oxidation on friction and wear properties of industrial pure titanium surface

被引：0
|
作者：
Zhang C.-H. [1 ]
Liu Y. [1 ]
Xiao G.-Z. [1 ]
Zhang J. [1 ]
机构：
[1] College of Metallurgy Engineering, Xi'an University of Architecture and Technology, Xi'an
来源：
Zhongguo Youse Jinshu Xuebao/Chinese Journal of Nonferrous Metals | 2021年 / 31卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Friction; Industrial pure titanium; Oxidation layer; Oxygen diffusion layer; Pulse oxidation; Wear;
D O I：
10.11817/j.ysxb.1004.0609.2021-36504
中图分类号：
学科分类号：
摘要：
In order to improve the wear resistance of industrial pure titanium in the process of application, the method of pulse oxidation was used under different temperatures and time. X-ray diffractometer (XRD), scanning electron microscope (SEM), nano indentation tester and friction and wear tester were used to test the characteristic peak strength, morphology characteristics, indentation hardness, surface friction coefficient and wear scar cross-sectional area of the wear mark. The results show that oxidation layer and oxygen diffusion layer form on the surface of industrial pure titanium samples by pulse oxidation. Compared with the continuous oxidation samples and the original samples, the surface hardness of the pulse oxidation sample at 700 ℃ for 6 h is the largest, being 15.39 GPa, which is about 1.7 times of that of the continuous oxidation sample, 7.3 times of that of the original sample. The friction coefficient and wear scar cross-section area of the pulse oxidation sample at 800 ℃ for 4.5 h are the smallest, which are 0.24 and 317.44 μm2, respectively. The adhesive wear of the samples is significantly weakened and the wear resistance is improved. © 2021, Science Press. All right reserved.
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页码：945 / 955
页数：10
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