Abstract
The tribological properties of TZP ceramics under solid lubrication up to have been investigated in this paper. The use either of graphite or of can reduce the friction coefficient and rate of wearing of TZP/ sliding couples from 25 to . However, their lubricating characteristics can deteriorate due to the oxidation of these lubricants at excessively high temperatures. Using and Cu can reduce the rate of wearing of TZP ceramics, but they have no apparent influence on the friction coefficient. exhibits good lubricating properties above , which is due to its complete crystallization and orientation along the (002) plane.
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