Fabrication of plasma-sprayed TiC-Ti5Si3-Ti3SiC2 composite coatings from the annealed Ti/SiC powders

被引：13

作者：

Li, Chao ^{[1
,2
]}

Zhou, Zhanpeng ^{[1
,2
]}

Hu, Lanming ^{[1
,2
]}

He, Jining ^{[1
,2
]}

Zheng, Gaofeng ^{[1
,2
]}

Zhao, Hongjian ^{[1
,2
]}

Dong, Yanchun ^{[1
,2
]}

Yang, Yong ^{[1
,2
]}

Qin, Yanfang ^{[3
]}

Yin, Fuxing ^{[1
,2
]}

机构：

[1] Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300132, Peoples R China

[2] Hebei Univ Technol, Tianjin Key Lab Mat Laminating Fabricat & Interfa, Tianjin 300132, Peoples R China

[3] Suzhou Univ Sci & Technol, Coll Mech Engn, Suzhou 215000, Peoples R China

来源：

SURFACE & COATINGS TECHNOLOGY | 2021年 / 417卷

基金：

中国国家自然科学基金;

关键词：

TiC-Ti5Si3-Ti3SiC2; Plasma sprayed; Annealing temperature; Microstructure; Wear resistance; CHEMICAL-VAPOR-DEPOSITION; MECHANICAL-PROPERTIES; TRIBOLOGICAL PROPERTIES; RAPID SYNTHESIS; DENSE TI3SIC2; TI; SI; MICROSTRUCTURE; CU;

D O I：

10.1016/j.surfcoat.2021.127227

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

TiC-Ti5Si3-Ti3SiC2 composite coatings were plasma sprayed in-situ using the annealed Ti/SiC powders and raw graphite powder. The microstructure and properties of the sprayed coatings depending on the annealing temperatures of the Ti-SiC powders were investigated. For the annealed Ti-SiC powders, the interface structure of Ti/TiC/Ti5Si3/Ti3SiC2/SiC was formed between Ti and SiC. The sprayed coating from raw powders consisted of TiC, MAX phase Ti3SiC2, Ti5Si3, and residual Si. The sprayed coatings from the annealed Ti-SiC powders consisted of TiC, MAX phase Ti3SiC2, Ti5Si3, and residual SiC. With the increase of the annealing temperature of Ti-SiC powders, TiC and MAX phase Ti3SiC2 increased, and Ti5Si3 phase decreased. For the sprayed coatings from the annealed Ti-SiC powders at 1200 degrees C, their hardness and fracture toughness were enhanced maximally by 33% and 53%, respectively. Their wear resistance was also improved by decreasing the mass loss maximally by 80%.

引用

页数：10

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