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Effects of Stress Concentration on the Mechanical Properties of Carbon Fiber Reinforced Plastic

By Ryo Naito, Mitsuhiro Okayasu and Daisuke Fukuyama


Mechanical properties of conventional CFRP plates with small holes were investigated systematically. Those artificial holes are considered to be rivet connection between CFRP and other materials. The machining holes were employed with different number (n=0-5) and different mode, e.g., parallel (Sample A), 45 degree (Sample B) and perpendicular (Sample C) against the loading direction. To understand the mechanical properties of the CFRP plates clearly, tensile tests and failure analysis were conducted experimentally. Excellent mechanical properties were obtained for Sample A, compared to the other ones. This is due to the different size of the cross-section area in the specimen. With increasing the number of rivet hole, the mechanical properties were lineally decreasing. Such mechanical properties were analyzed by direct observation using a high speed camera, i.e., in-situ measurement of deformation during the tensile loading was carrie

Topics: CFRP plates, mechanical properties, failure characteristics, Technology, T, Electrical engineering. Electronics. Nuclear engineering, TK1-9971, Materials of engineering and construction. Mechanics of materials, TA401-492
Publisher: Hasanuddin University
Year: 2017
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