Large deformation and slippage mechanism of plain woven composite in bias extension |
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| Affiliation: | 1. Department of Mechanical Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong;2. Institute of Textiles and Clothing, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong;1. Composites Research Network-Okanagan Laboratory, School of Engineering, University of British Columbia, Kelowna, Canada;2. Department of Mechanical Engineering, University of British Columbia, Vancouver, Canada;3. Advanced Fibrous Materials Laboratory, University of British Columbia, Vancouver, Canada;1. School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200030, China;2. Institute of Aeronautical Manufacturing Technology, Shanghai Aircraft Manufacturing Co., Ltd, Shanghai 201324, China;1. Université de Lyon, LaMCoS UMR 5259, INSA-Lyon, 27 Av. Jean Capelle, F-69621 Villeurbanne, France;2. Solvay R&I, ARTi/APMD, 87 Rue des Frères Perret, 691192 Saint Fons, France;1. School of Mechanical Engineering, Northwestern Polytechnical University, Xi''an 710072, China;2. Université de Lyon, CNRS, INSA-Lyon, LaMCoS, F69621, France |
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| Abstract: | Stamping operation is the most efficient way to form textile composites in industry. During a stamping process, the material undergoes large shear deformation, which may lead to two major failure mechanisms: out-of-plane wrinkling and in-plane slippage. The present paper mainly focuses on the large deformation mechanism and slippage of the plain woven composite during a bias extension. Bias extension experiments were carried out under different conditions. In addition to the data processing on the experimental curve, digital image correlation analysis was conducted on the test photographs, from which three typical deformation phases are identified. A theoretical model is then proposed to interpret the large deformation and slippage phenomenon from an energy point of view. |
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