Tribology of Titanium Boride Sliding against Silicon Carbide at Elevated Temperatures

Han Ning Xiao; Ji Xiang Yin; Tetsuya  Senda

doi:10.4028/www.scientific.net/KEM.353-358.1580

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Tribology of Titanium Boride Sliding against Silicon Carbide at Elevated Temperatures

Abstract:

Friction and wear tests of TiB2 sliding against SiC were conducted without lubricant from room temperature to 1200°C in air and in vacuum. The friction coefficient of the couple of TiB2/SiC is affected obviously by the oxidation of TiB2. It increases with the increase of temperature and reaches a maximum at some temperature in air, then decreases remarkably. The friction coefficient of TiB2/SiC in vacuum exhibites almost a constant and keeps smaller value than that in air. Transition of TiB2 onto the sliding surface of SiC was observed, which improved the wear resistance of SiC at high temperatures.

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Periodical:

Key Engineering Materials (Volumes 353-358)

Pages:

1580-1583

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.353-358.1580

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Online since:

September 2007

Authors:

Han Ning Xiao, Ji Xiang Yin, Tetsuya Senda

Keywords:

Elevated Temperature, Friction, Silicon Carbide (SiC), Titanium Boride, Wear

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