journal article·2019-03

Mode I interlaminar fracture behavior of 2D woven ceramic matrix composites

Rabih Mansour, Gregory N. Morscher

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Abstract

Abstract Interlaminar fracture properties of melt‐infiltrated woven SiC/SiC ceramic matrix composites were investigated using traditional and wedge‐loaded double cantilever beam methods. The two methods produced comparable G IC results for some specimens. The difference in boundary conditions between the two methods appeared to influence the crack propagation path. The DCB method, having free‐end boundary condition, allowed more interaction between the crack and the composite microstructure than the wedge method did. The effect of fiber tow layout sequence had an effect on the interlaminar properties. Higher toughness was observed for the orientation where crack propagation occurs between planes with more transverse tows. Jump‐arrest phenomenon was found to have higher significance on the rising R‐curve behavior than fiber bridging.
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Research context

OpenAlex topics: Advanced ceramic materials synthesis · Mechanical Behavior of Composites · Aluminum Alloys Composites Properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Mechanical Engineering Department The University of Akron Akron Ohio

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