An additive manufacturing-based approach for carbon fiber reinforced polymer recycling |
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| Affiliation: | 1. School of Mechanical Engineering, Hefei University of Technology, Hefei 230009, PR China;2. Key Laboratory of Green Design and Manufacturing of Mechanical Industry, Hefei University of Technology, Hefei 230009, PR China;3. School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907-2088, USA;4. Environmental and Ecological Engineering, Purdue University, West Lafayette, IN 47907-2088, USA;5. Hefei Metalforming Intelligent Manufacturing Co., Ltd, Hefei 230601, PR China;1. Department of Chemical Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, UP, India;2. Center for Nanosciences, Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, UP, India;1. College of Textiles, Donghua Univesrsity, Shanghai 201620, PR China;2. Department of Mechanical Engineering, and Center for Composite Materials, University of Delaware, Newark, DE 19716, USA;3. Department of Electrical and Computer Engineering, University of Delaware, Newark, DE 19716, USA;4. Materials Engineering Division, Lawrence Livermore National Laboratory, CA 94550, USA;5. Department of Polymer Science and Engineering and Department of Energy Science, Sungkyunkwan University, 440-746 Suwon, South Korea;6. Composites Research Center, Korean Institute of Materials Science, Changwon 641831, South Korea;1. Université de Lorraine, ERPI, Nancy F-54000, France;2. Université de Lorraine, LRGP, Nancy F-54000, France |
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| Abstract: | The vast Carbon Fiber Reinforced Polymer (CFRP) waste accumulated is pressing for its recycling. A novel recycling approach, which integrated carbon fiber reclamation and composite additive manufacturing, is proposed to process the CFRP waste into three Dimensional (3D) parts. In the experiments, the CFRP waste was recycled by supercritical n-butanol to yield reclaimed Carbon Fibers (rCFs). The rCFs were ground by a ball mill, mixed with Poly-Ether-Ether-Ketone (PEEK) powder and then extruded to the composite filament. The filament was fed to the Fused Deposition Modeling (FDM) printer to fabricate 3D parts. Mechanical and electrical properties of the parts were investigated and compared with that of pure PEEK. The results illustrate that the additive manufacturing-based approach offers a potential strategy to reuse the CFRP waste and rapidly fabricate the rCF reinforced plastics with complex geometry and function. |
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