Abstract
This article presents a comprehensive mechanics model for the interactive progression of damage in unidirectionally reinforced ceramic composites under monotonically increasing tension parallel to the fiber direction. The damage mechanisms considered herein are matrix cracks, interfacial fiber/matrix slips and fiber failures. The density of matrix cracks, with the accompanying interfacial slips, is determined by an energy criterion while the progression of fiber failures is evaluated from various aspects of strength statistics in association with energy considerations. It is shown that the present model provides a reasonable prediction for the ductile-like stress-strain behavior of fiber-reinforced ceramics.
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