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090 _aB-20075
245 1 0 _aThree-scale asymptotic homogenization of short fiber reinforced additively manufactured polymer composites
490 0 _vComposites Part B: Engineering, 202, p.108269, 2020
520 3 _aIn this research, prediction of mechanical properties of short fiber-reinforced composites manufactured with the help of fused filament fabrication (FFF)process is investigated. Three-scale formulation of asymptotic homogenization is employed to upscale the properties from microscale to mesoscale and from mesoscale to macroscale. Since generating microscale representative volume element (RVE)infused with short fibers requires sophisticated modeling tools, the algorithm for the microscale RVE generation is presented and discussed. Homogenization was performed for microscale RVEs with random and aligned (fibers aligned with the beads on mesoscale)fiber orientations, and for mesoscale RVEs with unidirectional and 0/90 layup formation. Tensile tests were performed for different short carbon fiber concentrations 5, 7.5 and 10 percent (by volume)to validate predicted homogenized properties. Moreover, to analyze the morphology of 3D printed specimens, microstructural analysis using SEM was performed on all the printed specimens. Surface morphology helped to gain more insight into the bead structure and fiber distribution. It was concluded that Young's modulus prediction using random fiber orientation has low relative errors tested in bead direction. Overall, this study has unique contribution to mechanical property prediction for FFF-made short fiber-reinforced composite parts.
650 1 4 _aPOLYMER-MATRIX COMPOSITES (PMCS)
650 1 4 _aMECHANICAL PROPERTIES
650 1 4 _aANISOTROPY
650 1 4 _aCOMPUTATIONAL MODELING
700 1 2 _aNasirov, A.
700 1 2 _aGupta, A.
700 1 2 _aHasanov, S.
700 1 2 _aFidan, I.
856 4 0 _uhttps://drive.google.com/file/d/1kk6S1ZupDXRT14NJC26eo5uk8ke1ocI0/view?usp=drivesdk
_zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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