Failure mechanisms of uni-ply composite plates with a circular hole under static compressive loading
Article Abstract:
The failure mechanism principle of uni-ply composite plates with a circular hole and subjected to static compressive loading is determined through experimental tests. Plate specimen made of unidirectional graphite-epoxy ply positioned between two isotropic polyetherimide thermoplastic sheets are studied under uniaxial compressive forces using a hydraulic testing machine. Results reveal that the plates' compressive failure is caused by fiber microbuckling at edge of the hole.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 1992
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Failure mechanisms of composite plates with a circular hole under remote biaxial planar compressive loads
Article Abstract:
The results of an empirical study performed for the analysis of failure mechanisms in fibrous laminated composite plates with stress raisers in the form of circular cutouts under static biaxial planar compressive loading are presented. A series of biaxial tests were performed with 48 ply graphite/epoxy composites of various fiber orientations. In all cases, the hole diameter to plate width aspect ratio remained in a range suitable for infinite plate assumptions.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 1997
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A micromechanics-based finite element model for compressive failure of notched uniply composite laminates under remote biaxial loads
Article Abstract:
The analysis of notched composite laminates loaded remotely in multiaxial compression was done through a micromechanics based failure initiation predictive capability model. The model relied on the results form a previous experimental study that investigated compression failure mechanisms in special uniply composite laminates. The experimental results showed that kink banding near the hole edge was the dominant mode of failure initiation.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 1999
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