PSI - Issue 56

Dan Ioan Stoia et al. / Procedia Structural Integrity 56 (2024) 90–96 Author name / Structural Integrity Procedia 00 (2019) 000–000

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The crystallinity of the raw filament is higher (12.67 J/g) than the extruded PLA (8.646 J/g), the last one having an increased percentage of amorphous zones. The DSC analysis are sustaining the mechanical properties determined by tensile testing. References [1] L Marșavina, C Vălean, M Mărghitaș, et al., Effect of the manufacturing parameters on the tensile and fracture properties of FDM 3D-printed PLA specimens, Engineering Fracture Mechanics 274, 2022, 108766. [2] C Vălean, L Marșavina, M Mărghitaș, et al., The effect of crack insertion for FDM printed PLA materials on Mode I and Mod e II fracture toughness, Procedia Structural Integrity 28, 2020, 1134-1139. [3] L. Auffray, P-A. Gouge, L. Hattali, Design of experiment analysis on tensile properties of PLA samples produced by fused filament fabrication, The International Journal of Advanced Manufacturing Technology, 118:4123-4137, 2022; [4] G. Gao, F. Xu, J. Xu, Z. Liu, Study of material color influences on mechanical characteristics of fused deposition modeling parts, Materials, 15: 7039, 2022; [5] S.-H. Ahn, M. Montero, D. Odell, S. Roundy, P. K. Wright, Anisotropic material properties of fused deposition modeling ABS, Rapid Prototyping Journal, 8(4): 248-257, 2002; [6] X. Deng, Z. Zeng, B. Peng, S. Yan, W. Ke, Mechanical properties optimization of poly-ether-ether-ketone via fused deposition modeling, MDPI Materials, 11, 216, 2018; [7] T. Nancharaiah, Optimization of process parameters in FDM process using design of experiments, International Journal on Emerging Technologies, 2(1): 100-102, 2011; [8] J. Jiang, Y. Ma, Path planning strategies to optimize accuracy, quality, build time and material use in additive manufacturing: a review, MDPI Micromachines, 11(7), 633, 2020; [9] A. Boschetto, V. Giordano, F. Veniali, Surface roughness prediction in fused deposition modelling by neural networks, The International Journal of Advanced Manufacturing Technology, 67: 2727-2742, 2013; [10] R. K. Sahu, S.S. Mahapatra, A. K. Sood, A study on dimensional accuracy of fused deposition modeling (FDM) processed parts using fuzzy