首页|Mechanical and Tribological Properties of 3D Carbon Fiber Reinforced SiC Composites Prepared by Liquid Silicon Infiltration

Mechanical and Tribological Properties of 3D Carbon Fiber Reinforced SiC Composites Prepared by Liquid Silicon Infiltration

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C/SiC composites were prepared by liquid silicon infiltration process, and their microstructure, mechanical and tribological properties were studied in this paper. The results showed that the composites demonstrated non-catastrophic fracture behavior with long fibers pulled out and about 115 MPa flexural strength. The stability of coefficient of friction (COF) was improved and wear rate demonstrated a linear variation with the increasing of rotation speeds. However, wear rate exhibited a higher value (~3.6μg/m) under a higher load (~150 N), even though the COF curves for C/SiC composites showed no significant changes.

C/SiC compositescoefficient of frictionwear rate

Haijun Zhou、Shaoming Dong、Xiangyu Zhang、Jinshan Yang、Bo Lu

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Graduate School of Chinese Academy of Sciences, Beijing, 100039, China Shanghai Institute of Ceramic, Chinese Academy of Sciences, Shanghai, 200050, China

Shanghai Institute of Ceramic, Chinese Academy of Sciences, Shanghai, 200050, China

2010

Key engineering materials

Key engineering materials

ISSN:1013-9826
年,卷(期):2010.434/435
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