Abstract
For the combination of an Si3N4 pin and four kinds of ceramic disks (SiC, Si3N4, Al2O3, ZrO2, the friction and wear test was carried out in ethanol and in ethanol-containing silver particles (1 wt. %; average diameter d = 70 nm) in order to find the lubricating properties of the silver particles and the friction and wear mechanism. A topographical analysis was also performed on the microasperities of the wear surfaces to estimate the behavior of the silver particles and the degree of surface damages. The results shows that the addition of silver particles in ethanol decreased the wear rates of the mated ceramics except the Si3N4 disk (W = 7.13 N and 11.50 N) and increased the mean coefficient of friction. As the coefficient of friction and the wear rate depend on the topographies of the wear surfaces, they and the degrees of the surface damage can be estimated to some extent from the topographical parameters presented in this paper.
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