Comparison of tribological and corrosion behaviors of Cp Ti coated with the TiO2/graphite coating and nitrided TiO2/graphite coating

被引：35
|
作者：
Tao, Xuewei [1 ]
Yao, Zhengjun [1 ]
Luo, Xixi [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Sch Mat Sci & Technol, Nanjing 210016, Jiangsu, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2017年 / 718卷
基金：
中国国家自然科学基金;
关键词：
Cp Ti; Micro arc oxidation; Plasma nitriding; Tribological behavior; Corrosion property; MICRO-ARC OXIDATION; PLASMA ELECTROLYTIC OXIDATION; TI-6AL-4V ALLOY; TI6AL4V ALLOY; DOPED TIO2; COMPOSITE COATINGS; ION-IMPLANTATION; HIGH-TEMPERATURE; MAGNESIUM ALLOY; TITANIUM-ALLOYS;
D O I：
10.1016/j.jallcom.2017.05.125
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The TiO2/graphite coatings were fabricated by micro arc oxidation (MAO) process combined with or without plasma nitriding to improve the tribological and anti-corrosion performances of the Cp Ti. The microstructure and composition of the coatings were characterized by scanning electron microscopy (SEM), X-ray diffractometer (XRD), Raman spectroscopy and X-ray photoelectron spectroscopy (XPS), respectively. The tribological and corrosion behaviors were evaluated by the friction test and electro-chemical test, respectively. Results show that the nitrided TiO2/graphite coating exhibits relatively smooth surface with less porous structure. Its friction coefficient, wear rate under dry sliding condition and corrosion current density in artificial seawater are lower, compared to those of the TiO2/graphite coating, indicating that it has perfect tribological property and corrosion resistance. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：126 / 133
页数：8
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