Evaluation of three in-plane shear test methods for advanced composite materials |
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| Affiliation: | 1. Structures and Materials Laboratory, Institute for Aerospace Research, National Research Council of Canada, Ottawa, Ontario K1A 0R6, Canada;2. Department of Mechanical Engineering, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada;1. Department of Mechanical Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 133-791, Republic of Korea;2. Vehicle Safety CAE Team 1, Hyundai Motor Company, Gyeonggi-do 445-709, South Korea;3. Institute of Nano Science and Technology, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 133-791, Republic of Korea;1. Department of Mechanical Engineering, University of British Columbia, Vancouver, Canada;2. Advanced Fibrous Materials Laboratory, University of British Columbia, Vancouver, Canada;3. Composites Research Network-Okanagan Laboratory, School of Engineering, University of British Columbia, Kelowna, Canada;1. Center for Composite Materials, Harbin Institute of Technology, Harbin, China;2. School of Engineering, Cardiff University, Cardiff, UK |
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| Abstract: | This paper is concerned with the evaluation of three in-plane shear test methods for advanced carbon fibre composites for aerospace applications. To accomplish this goal, the losipescu, ± 45° tensile and 10° off-axis tensile shear test methods were evaluated for three advanced epoxy matrix materials (Narmco 5245C, Hexcel F584 and American Cyanamid Cycom 1806) reinforced with Hercules IM6 carbon fibres. The values of in-plane shear moduli obtained from the three test methods and three materials were then used with other previously determined elastic constants to predict the tensile moduli of (+45°/0°/−45°/90°)6s laminates. Comparison of the predicted and experimental laminate tensile moduli showed that any one of the three shear test methods was appropriate for determining the in-plane shear modulus to predict tensile moduli of symmetric laminates which consist of equal numbers of 0°, +45°, −45° and 90° oriented laminae. |
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