Effect of annealing treatment on the microstructure and current carrying tribological properties of in-situ formed TiO2_ x coating prepared by plasma spraying

被引：10

作者：

Wang, Peng ^{[1
,2
]}

Ma, Guozheng ^{[2
]}

Su, Fenghua ^{[1
]}

Guo, Weiling ^{[2
]}

Chen, Shuying ^{[4
]}

Zhao, Haichao ^{[3
]}

Liu, Ming ^{[2
]}

Wang, Haidou ^{[2
,3
]}

机构：

[1] South China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510640, Peoples R China

[2] Acad Armored Forces Engn, Natl Key Lab Remfg, Beijing 100072, Peoples R China

[3] Army Acad Armored Forces, Natl Engn Res Ctr Mech Prod Remfg, Beijing 100072, Peoples R China

[4] China Astronaut Res & Training Ctr, Natl Key Lab Human Factors Engn, Beijing 100094, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2022年 / 175卷

关键词：

TiO (2_ x) coating; Annealing treatment; Electrical conductivity; Current -carrying friction; MECHANICAL-PROPERTIES; CONTACT; CONDUCTIVITY; LUBRICATION; TEMPERATURE; DEPOSITION; ADHESION; BEHAVIOR; FILMS; WEAR;

D O I：

10.1016/j.triboint.2022.107872

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Titanium suboxide (TiO2-x) of Magneli phases was in-situ formed by using supersonic plasma spraying with the agglomerated TiO2 powders. The effect of annealing treatment on phase constitution, microstructure, mechanical, electrical and tribological properties of the as-sprayed TiO2-x coating was analyzed. The results showed that the phase constitution and microstructure of the annealed TiO2-x coatings transformed with the annealing temperatures, which greatly affected the mechanical properties and electrical conductivity. Compared to dry friction, the friction coefficients of the coatings declined under the action of electric current. Owing to the increase in the roughness and intensification of the abrasive properties on the worn surfaces, the wear loss of the coatings increased notably under current-carrying condition.

引用

页数：13

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