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Erschienen in:
1999 | OriginalPaper | Buchkapitel
Subcritical Crack Growth
verfasst von : Prof. Dietrich Munz, Dr. Theo Fett
Erschienen in: Ceramics
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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So far two types of crack extension have been considered: stable crack extension starting at K1 =K10 and unstable crack extension, if K1=K1inst is reached (or at K1 =K1c for a material with a flat crack growth resistance curve). A third type of crack extension is called subcritical crack extension. This is a time-dependent phenomenon, where a crack is growing at constant load below K1 =K1inst. In this section the subcritical crack extension below the high temperature regime is considered. The creep crack growth is described in Sect. 12.2. The subcritical crack extension under cyclic loading is dealt with in Chap. 6.