Tribological properties of TiAl-Ti3SiC2 composites |
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| Authors: | Bing Xue Zengshi Xu Qiaoxin Zhang Xiaoliang Shi Mang Wang Wenzheng Zhai Jie Yao Siyuan Song |
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| Affiliation: | 1. School of Mechanical and Electronic Engineering, Wuhan University of Technology, Wuhan, 430070, China
2. Department of Mechanical and Electronic Engineering, Yellow River Conservancy Technical Institute, Kaifeng, 475004, China
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| Abstract: | The tribological properties of TiAl-Ti3SiC2 composites (TMC) against Si3N4 ceramic ball pair at room temperature were investigated through the determination of friction coefficients and wear rates, and the morphologies and compositions of wear debris, worn surfaces of TMC and Si3N4 ceramic ball were analyzed. The experimental results showed that TMC with 15wt% Ti3SiC2 exhibited relatively excellent tribological properties. The solid-phase self-lubricating tribo-layers formed on the worn surfaces of both TMC with 15wt% Ti3SiC2 and Si3N4 ceramic ball, which was beneficial to the lower friction coefficient and wear rate. |
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| Keywords: | TiAI-Ti_3SiC_2 composites spark plasma sintering in situ technique tribological properties |
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