Orthogonal cutting mechanics of multi-directional carbon fiber reinforced polymer with interlaminar bonding effect |
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| Affiliation: | 1. Key Laboratory of Micro-systems and Micro-structures Manufacturing of Ministry of Education, China, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China;2. Center for Precision Engineering, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China;3. College of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin 300072, China;1. Section for Quantitative Sustainability Assessment, Department of Environmental and Resources Engineering, Technical University of Denmark, Lyngby, Denmark;2. Fraunhofer-Institute for Production Technology, Aachen, Germany;1. Department of Mechanical Engineering, School of Engineering, The University of Tokyo, Japan;2. Nidec Machine Tool Corporation, Japan;1. Singapore Institute of Manufacturing Technology, 2 Fusionopolis Way, 138634, Singapore;2. National University of Singapore, 9 Engineering Drive 1, 117576, Singapore |
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| Abstract: | This paper determines the chip formation mechanism, fiber-matrix failure modes, and cutting forces in orthogonal cutting of multi-directional carbon fiber reinforced polymer (MD CFRP) with interlaminar bonding effect. The cutting experiments show that the varying chip formation angles with different fiber orientations in cutting unidirectional plies converge for MD CFRP. A new analytical mechanics model for cutting MD CFRP is developed to predict the chip formation angle and failure modes based on the minimum energy principle for all plies. The model with experimental validation reveals the different cutting mechanisms between UD and MD CFRPs. |
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