Effects of fused deposition modeling process parameters on tensile,dynamic mechanical properties of 3D printed polylactic acid materials |
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| Institution: | 1. University POLITEHNICA of Bucharest, Department of Machine and Manufacturing Systems, Splaiul Independentei, 313, Sector 6, Bucharest, Romania;2. University POLITEHNICA of Bucharest, Department of Materials Technology and Welding, Splaiul Independentei, 313, Sector 6, Bucharest, Romania;3. University POLITEHNICA of Bucharest, Department of Strength Materials, Splaiul Independentei, 313, Sector 6, Bucharest, Romania;4. Colentina Clinical Hospital Bucharest, Department of Orthopedics II, Sos. Stefan cel Mare, 19-21, Sector 2, Bucharest, Romania;1. Department of Mechanical and Product Design Engineering, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia;2. Department of Statistics, Data Science and Epidemiology, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia;1. Advanced Structures and Composites Center, University of Maine, 35 Flagstaff Road, Orono, ME 04469, USA;2. Department of Civil and Environmental Engineering, University of Maine, 5711 Boardman Hall, Orono, ME 04469, USA;3. School of Forest Resources, University of Maine, 5755 Nutting Hall, Orono, ME 04469, USA;1. Department of Materials Science & Engineering, Michigan Technological University, Houghton, MI 49931, USA;2. Department of Electrical & Computer Engineering, Michigan Technological University, Houghton, MI 49931, USA |
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| Abstract: | Fused deposition modeling (FDM) is an important process among the available additive manufacturing technologies in various industries. Although there exists many works investigating the effects of FDM process parameters on the mechanical properties of printed materials, there are still several points need to be studied. One is the effects of process parameters on the dynamic mechanical properties of FDM-printed materials, especially in environments where the temperature often changes. The other is the mechanism by which process parameters affect the mechanical properties of printed materials. Aiming at these two points, uniaxial tensile tests and dynamic mechanical analysis are carried out respectively to characterize the tensile properties and dynamic mechanical properties of FDM-printed PLA materials under different FDM process parameters, namely printing angle, layer thickness, fill rate and nozzle temperature. Based on the experimental results explanations are given for the influence of the FDM process parameters on the mechanical properties of the printed materials. |
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| Keywords: | Fused deposition modeling Process parameters Tensile properties Dynamic mechanical properties |
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