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Erschienen in:
2006 | OriginalPaper | Buchkapitel
Similarity Solutions of Creep — Damage Coupled Problems in Fracture Mechanics
verfasst von : L. V. Stepanova, M. E. Fedina
Erschienen in: Fracture of Nano and Engineering Materials and Structures
Verlag: Springer Netherlands
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The asymptotic solution to Mode III and Mode I crack problems in a creeping solid in the framework of Continuum Damage Mechanics is presented. The kinetic law of damage evolution is the Kachanov — Rabotnov equation [
1
]. The damage parameter is incorporated into the power-law creep constitutive equations. Thus the coupled system of damage mechanics — creep theory equations is considered. It is to be expected during such a coupling process that the damage involved gives a great effect on the stress field near the crack tip and when the damage parameter reaches its critical value a totally damaged zone near the crack tip may occur [
2
–
4
].