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Fatigue Damage Evaluation in Ceramic Matrix Composites

  • Stéphane Baste
Chapter

Abstract

Damage is conventionally defined as the progressive deterioration of materials due to nucleation and growth of microcracks. The purpose of the damage concept [1] is to take into account the microscopic deterioration of the material in its macroscopic constitutive law. In composite materials, the microcracks have a preferential orientation and the damage variable depends on the direction of measurement [2]. Non linear analysis of such materials must consider this anisotropy by introducing a tensorial damage variable in the constitutive equations [3]. The main difficulties when dealing with anisotropic description of damage are to be able to identify the introduced parameters [4].

Keywords

Fatigue Damage Damage Variable Ceramic Matrix Composite Stiffness Tensor Longitudinal Crack 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1995

Authors and Affiliations

  • Stéphane Baste
    • 1
  1. 1.Laboratoire de Mécanique Physique, URA C.N.R.S. 867Université Bordeaux ITalence cedexFrance

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