JSME international journal. Ser. 3, Vibration, control engineering, engineering for industry
Print ISSN : 0914-8825
Friction and Wear of Sintered Alumina at High Temperature
Tetsuya SENDAChiori TAKAHASHlSusumu UEMATSUShigeyasu AMADA
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1992 Volume 35 Issue 4 Pages 660-666

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Abstract

The frictional behavior of alumina ceramics was investigated at various temperatures up to 1200°C. The coefficient of friction decreased with increasing temperature and this dependence became more pronounced as higher contact pressure was applled. Wear loss at room temperature could be interpreted as beingcaused by one of two different behavior modes which have a rate difference of anorder of magnitude. At temperatures higher than 800°C, the wear loss was far less than that at lower temperatures and a smooth, flat friction surface, which is probably responsible for both the low friction coefficient and the small wear loss, was observed.

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