1 March 2018
according to the German TVöD
In the department of ceramic composite structures at DLR (German Aerospace Center), Institute of Stuctures and Design, ceramic matrix composites (CMC) have been developed since the late 1980s. These materials exhibit damage tolerant fracture behavior, good thermal shock resistance and insensitivity towards cyclic fatigue. Moreover, oxide/oxide Ceramic Matrix Composites (CMCs) provide inherent oxidation stability when employed in high temperature applications. Several material models have been developed at the institute to model the damage behavior of this material class. The anisotropic nature of CMCs makes the task of model implementation in FEM Software even more challenging. Implementation and validation of such a damage model in ABAQUS will be focus of this work. These material models, when combined with failure criteria, are useful for the prediction of stress-strain curves of the material. Advanced approach has to be developed in order to use the damage model and predict the lifetime of CMCs.
The work will comprise:
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Institute of Structures and Design
Phone: +49 711 6862-8264