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Erschienen in:
1999 | OriginalPaper | Buchkapitel
Cyclic Fatigue
verfasst von : Prof. Dietrich Munz, Dr. Theo Fett
Erschienen in: Ceramics
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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The failure of ceramic components under cyclic loading — often designated as cyclic fatigue — was already mentioned in Sect. 5.2.3. It was shown that the lifetime can be predicted from the results obtained in tests with constant load under the assumption that the same mechanism is responsible for constant and cyclic loading. This assumption has been confirmed by cyclic experiments on glass and porcelain [6.1]. For many ceramic materials (especially for alumina and zirconia) a real cyclic effect could be proved (see e.g. [6.2-6.8]). The crack growth rate in these materials is larger and the lifetime is shorter than that predicted from constant load tests.