Uncoupled and coupled approaches to predict macrocrack initiation in fiber reinforced ceramic matrix composites

François Hild (1) , Per-Lennart Larsson (2) , Frederick A Leckie (3)

1 LMT - Laboratoire de Mécanique et Technologie
2 KTH - KTH Royal Institute of Technology [Stockholm]
3 UC Santa Barbara - University of California [Santa Barbara]

Localized fiber pull-out is one of the fracture features of fiber reinforced ceramic matrix composites. The onset of this mechanism is predicted by using Continuum Damage Mechanics, and corresponds to a localization of the deformations. After deriving two damage models from a uni-axial bundle approach, and criteria at localization, different axisymmetric configurations are analyzed through two different approaches to predict macrocrack initiation.

Domaines: Mécanique des matériaux [physics.class-ph]

François Hild, Per-Lennart Larsson, Frederick A Leckie. Uncoupled and coupled approaches to predict macrocrack initiation in fiber reinforced ceramic matrix composites. Composite Structures, 1994, 29 (4), pp.365-377. ⟨10.1016/0263-8223(94)90104-X⟩. ⟨hal-02342210⟩