High Strain Rate Compression Characterization of Affordable Woven Carbon/Epoxy Composites under Off-Axis Loading
Source abstract
Abstract
This paper discusses an experimental study on the response of affordable plain weave carbon/epoxy composite laminates to high strain rate compression loading using a modified Compression Split Hopkinson's Pressure Bar (SHPB) under off-axis loading. 37 layer laminates were manufactured using aerospace grade woven fabrics with a SC-15 epoxy resin system, utilizing a Vacuum Assisted Resin Infusion Molding (VARIM) approach. Samples were subjected to high strain rate compression loading at strain rates ranging from 1187/s to 2289/s in the plane of the laminates, using a modified SHPB that facilitates controlled single pulse loading of the sample. Samples were tested along 0°,15°, 30°, and 45° off-axes angles. Quasi-static tests were carried out to compare them with the dynamic response. Failure modes were evaluated using optical micrographs. Results were analyzed in terms of peak stress, strain at peak stress, failure modes and orientation.
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Research context
OpenAlex topics: Energetic Materials and Combustion · High-Velocity Impact and Material Behavior · Mechanical Behavior of Composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Center for Advanced Materials, Tuskegee University, Tuskegee, AL 36088.
Department of Materials and Mechanical Engineering, University of Alabama, Birmingham, AL, 35294.
Air Force Research Laboratory, VASD, WPAFB, OH 45433 U.S.A.
References (17)
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