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Mechanical property characterization and simulation of fused deposition modeling Polycarbonate parts

Domingo-Espin, Miquel ; Puigoriol-Forcada, Josep M. ; Garcia-Granada, Andres-Amador ; Llumà, Jordi ; Borros, Salvador ; Reyes, Guillermo

Materials & design, 2015-10, Vol.83, p.670-677 [Periódico revisado por pares]

Elsevier Ltd

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Título:
Mechanical property characterization and simulation of fused deposition modeling Polycarbonate parts
Autor: Domingo-Espin, Miquel ; Puigoriol-Forcada, Josep M. ; Garcia-Granada, Andres-Amador ; Llumà, Jordi ; Borros, Salvador ; Reyes, Guillermo
Assuntos: Buildings ; Computer simulation ; Constitutive model ; Construction ; Construction costs ; Enginyeria dels materials ; Enginyeria mecànica ; Finite element analysis ; Fused deposition modeling ; Fused deposition modeling Mechanical behaviour Stiffness matrix Constitutive model Finite element analysis ; Materials ; Mathematical models ; Mechanical behaviour ; Mechanical properties ; Polycarbonates ; Propietats mecàniques ; Stiffness matrix ; Ultimate tensile strength ; Àrees temàtiques de la UPC
É parte de: Materials & design, 2015-10, Vol.83, p.670-677
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: [Display omitted] •Thirty PC specimen made with FDM were tested contributing to data availability.•Correlation of physical test and Finite Element Analysis has been performed.•FEA isotropic model may be better than orthotropic model for elastic region.•Manufacturing parameters affect mechanical response besides building orientation. Building end-use functional parts with additive manufacturing (AM) technologies is a challenging task. Several factors influence their surface finish, dimensional accuracy, mechanical properties and cost. Their orientation inside the building chamber is one of the most significant factors in AM processes. When using Fused Deposition Modeling (FDM) to build such parts, additional factors must be considered. This paper aims to accomplish two purposes: finding a good model to simulate FDM parts and correlating a finite element analysis (FEA) simulation with physical testing. The first objective was achieved by experimental tensile test of specimens to determine the nine mechanical constants that defines the stiffness matrix of an orthotropic material. Three Young’s modulus, three Poisson’s ratio and three shear modulus were experimentally obtained as well as yield tensile and ultimate strength of each specimen. A simple part was designed and manufactured in different orientations to be physically tested and simulated to achieve the second objective. Polycarbonate (PC) was used as part material. Combined loading including bending and torsion was used. Differences on mechanical response were observed during the physical test of the parts depending on the building direction. Conclusions comment results and the convenience of using a different constitutive model depending on the design and use specifications.
Editor: Elsevier Ltd
Idioma: Inglês

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Mechanical property characterization and simulation of fused deposition modeling Polycarbonate parts

Domingo-Espin, Miquel ; Puigoriol-Forcada, Josep M. ; Garcia-Granada, Andres-Amador ; Llumà, Jordi ; Borros, Salvador ; Reyes, Guillermo

Elsevier Ltd

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