mechanical characterization of the plastic material gf-pa6 manufactured using fdm technology for a compression uniaxial stress field via an experimental and numerical analysis
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ID: 132129
2020
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Abstract
This manuscript presents an experimental and numerical analysis of the mechanical structural behavior of Nylstrong GF-PA6, a plastic material manufactured using FDM (fused deposition modeling) technology for a compression uniaxial stress field. Firstly, an experimental test using several test specimens fabricated in the Z and X-axis allows characterizing the elastic behavior of the reinforced GF-PA6 according to the ISO 604 standard for uniaxial compression stress environments in both Z and X manufacturing orientations. In a second stage, an experimental test analyzes the structural behavior of an industrial part manufactured under the same conditions as the test specimens. The experimental results for the test specimens manufactured in the Z and X-axis present differences in the stress-strain curve. Z-axis printed elements present a purely linear elastic behavior and lower structural integrity, while X-axis printed elements present a nonlinear elastic behavior typical of plastic and foam materials. In order to validate the experimental results, numerical analysis for an industrial part is carried out, defining the material GF-PA6 as elastic and isotropic with constant Young’s compression modulus according to ISO standard 604. Simulations and experimental tests show good accuracy, obtaining errors of 0.91% on the Z axis and 0.56% on the X-axis between virtual and physical models.
| Reference Key |
mercado-colmenero2020polymersmechanical
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|---|---|
| Authors | ;Jorge Manuel Mercado-Colmenero;Cristina Martin-Doñate;Vincenzo Moramarco;Michele Angelo Attolico;Gilda Renna;Moises Rodriguez-Santiago;Caterina Casavola |
| Journal | Journal of Fluorescence |
| Year | 2020 |
| DOI |
10.3390/polym12010246
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| URL | |
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