Additive manufacturing of carbon fiber reinforced thermoplastic composites using fused deposition modeling |
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| Affiliation: | 1. Department of Industrial Engineering, Texas Tech University, Lubbock, TX 79409, USA;2. Department of Mechanical Engineering, Texas Tech University, Lubbock, TX 79409, USA;3. Department of Industrial and Systems Engineering, Texas A&M University, College Station, TX 77843, USA;1. Composite Materials and Structures Laboratory, Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL 32816, USA;2. Key Laboratory of Advanced Technologies of Materials, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China;3. Composite Material Research Laboratory, Department of Mechanical Engineering, University of New Orleans, LA 70148, USA;1. Instituto Tecnológico de Costa Rica, Escuela de Ingeniería en Diseño Industrial, Costa Rica;2. Instituto Tecnológico de Costa Rica, Escuela de Ciencia e Ingeniería de los Materiales, Costa Rica;3. Wagoner Fellowship, Center for Civic Leadership, Rice University, United States;1. Mechanical Engineering, Faculty of Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada;2. Glenrose Rehabilitation Hospital, Edmonton, Alberta T6G 2E1, Canada;1. College of Textiles, Donghua University, Shanghai 201620, PR China;2. Department of Mechanical Engineering, University of Delaware, Newark, DE 19716, USA;3. Center for Composite Materials, University of Delaware, Newark, DE 19716, USA;4. Department of Electrical and Computer Engineering, University of Delaware, Newark, DE 19716, USA;1. ITA - Aeronautics Institute of Technology, GPMA - Research Group on Additive Manufacturing, DCTA ITA IEM, 12228-900, São José dos Campos, São Paulo, Brazil;2. IAE - Institute of Aeronautics and Space, AMR - Materials Division, DCTA IAE AMR, 12228-900, São José dos Campos, São Paulo, Brazil;3. FAB - Brazilian Air Force, Brazil |
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| Abstract: | Additive manufacturing (AM) technologies have been successfully applied in various applications. Fused deposition modeling (FDM), one of the most popular AM techniques, is the most widely used method for fabricating thermoplastic parts those are mainly used as rapid prototypes for functional testing with advantages of low cost, minimal wastage, and ease of material change. Due to the intrinsically limited mechanical properties of pure thermoplastic materials, there is a critical need to improve mechanical properties for FDM-fabricated pure thermoplastic parts. One of the possible methods is adding reinforced materials (such as carbon fibers) into plastic materials to form thermoplastic matrix carbon fiber reinforced plastic (CFRP) composites those could be directly used in the actual application areas, such as aerospace, automotive, and wind energy. This paper is going to present FDM of thermoplastic matrix CFRP composites and test if adding carbon fiber (different content and length) can improve the mechanical properties of FDM-fabricated parts. The CFRP feedstock filaments were fabricated from plastic pellets and carbon fiber powders for FDM process. After FDM fabrication, effects on the tensile properties (including tensile strength, Young's modulus, toughness, yield strength, and ductility) and flexural properties (including flexural stress, flexural modulus, flexural toughness, and flexural yield strength) of specimens were experimentally investigated. In order to explore the parts fracture reasons during tensile and flexural tests, fracture interface of CFRP composite specimens after tensile testing and flexural testing was observed and analyzed using SEM micrograph. |
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| Keywords: | A. Carbon fibre A. Polymer-matrix composites (PMCs) B. Mechanical properties D. Mechanical testing E. Extrusion |
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