Abstract
As a part of the DFG collaborative research center 483 'High performance sliding and friction systems based on advanced ceramics' the high potential of engineering ceramics shall be demonstrated on four exemplary choosen systems. The results that are given in the present study were gained whithin the research projekt C2 which works on the modelling of the damage behaviour occurring in clutches. For the thorough scientific examination of the degradation processes of ceramic materials two methods are applied. Experiments under high frictional loadings that are applied by a dry friction testing system are combined with the mathematical analysis using the Finite-Element-Method (FEM). For a deeper understanding of the origin and development of the damages resulting from the friction experiments 4-point bending tests and microfractography were carried out. The present paper deals with the results of these fractographic examinations as well as the determination of residual strength which depends on the stress history of the ceramic material.
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