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Communication Dans Un Congrès Année : 2001

Damage Mechanics of Metal-matrix Composites: Various Levels of Approach

Résumé

Constitutive and damage mechanics of composite materials is discussed, with a special attention to unidirectional metal-matrix composites. Macroscopic thermo-elasto-visco-plastic and damage models based on micromechanical approaches are presented that offer various modeling capabilities between a two-phase and a multi-subvolume model. A micromechanics analysis of transverse creep, using periodic homogenization and finite elements demonstrates the role of the fiber-matrix interphase in the creep resistance of the composite. Such a numerical approach can be used to deliver directly the constitutive response at the component level by a multiscale structural analysis using the FE2 imbricated finite-element method.
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Dates et versions

hal-04497705 , version 1 (06-05-2024)

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Jean-Louis Chaboche. Damage Mechanics of Metal-matrix Composites: Various Levels of Approach. 20th International Congress on Theoretical and Applied Mechanics, Aug 2000, Chicago, United States. pp.41-56, ⟨10.1007/0-306-46956-1_3⟩. ⟨hal-04497705⟩

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