Abstract
The tribological behaviour of engineering ceramic materials can be influenced by several tribosystem parameters. Friction and wear properties of different types of ceramics (silicon nitride, silicon carbide, alumina and zirconia) are evaluated for the case of oscillating sliding motion at room temperature. The influence of such parameters as: counterbody material; contact geometry; stroke; normal force; running time; frequency; and humidity of the sorrounding air are studied. For many situations the formation of reaction layers governs the tribological behaviour, leading to a two-phase behaviour of friction and wear. The transition from phase I (severe wear) to phase II (mild wear) depends on several parameters of the tribosystem and operational conditions.
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