Evaluation of mechanical behavior of ABS and PLA polymers in 3D printing for structural performance simulation
DOI:
https://doi.org/10.11606/gtp.v14i1.148289Keywords:
3D printing, Structural performance, Rapid prototyping, Computational simulationAbstract
Applications in Architecture, Engineering and Construction are amplifying the interest of 3D printing. However, some manufacturing limitations, such as structural performance, still prevent the significant use of this technology. In this sense, this paper presents part of the research on simulation of structural performance, which aims to study the mechanical behavior of polymers ABS and PLA in the form of thermoplastic filaments (FDM- Fused Deposition Modelling), commonly used in affordable 3D printers. It presents the preliminary results for the evaluation of the mechanical behavior of ABS and PLA in the light of ASTM E2954 and ASTM D790 standards, which establish test methods for axial compression and three-point flexure for plastic and polymer matrix. Through destructive physical analysis, this research aims to create structural numerical models, algorithms and components in Grasshopper, which will be able to facilitate computational simulation and structural optimization of parts, as well the greater precision of its post fabrication mechanical behavior.
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