A Study on Tribological Behavior of Engineering Ceramics - Representative Metals

Abstract:

In order to obtain the optimal engineering ceramics-metals pair with the best tribological performance, the tribological orthogonal tests for engineering ceramics such as Si₃N₄, SiC, ZrO₂ and representative metals such as 45steel, CCr15 bearing steel, tin bronze QSn4-3 and tin-based babbit ZChSnSb8-4 with oil-less lubrication were carried out by using UMT-3 wear machine and SEM. Single factor analysis of load on friction and wear properties of Si₃N₄- babbit pair was performed. The results indicate that ceramic-metal pairs possess excellent tribological performance. Si₃N₄- babbit pair has the lowest friction coefficient and SiC-babbit pair is best in attrition. The friction coefficient varies sharply on low loads and the wear rate monotonous rises with the increase of load.

• Periodical: Materials Science Forum (Volume 770)
• Pages: 379-384
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.770.379
• Online since: October 2013
• Authors: Peng Xiao Wang, Xin Li Tian, Bao Guo Zhang, Long Wang
• Keywords: Engineering Ceramic, Friction, Oil-Less Lubrication, Optimal Friction Pair, Wear

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