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| Naji, M. |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Petrov, R. H. | Madrid |
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| Azam, Siraj |
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| Ali, M. A. |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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Davoudinejad, Ali
in Cooperation with on an Cooperation-Score of 37%
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Publications (7/7 displayed)
- 2020Towards the integration of additively manufactured photopolymer dies in the polymer profile extrusion process chaincitations
- 2020Mechanical properties of additively manufactured die with numerical analysis in extrusion processcitations
- 2018On the effect of machining strategy in micro milling of tool steel surface micro features with optical functionality
- 2017Dimensional accuracy of Acrylonitrile Butadiene Styrene injection molded parts produced in a pilot produc
- 2017Two-Photon Polymerization lithography for three-dimensional micro polymer parts manufacturing evaluation
- 2017Biological features produced by additive manufacturing processes using vat photopolymerization method
- 2017Biological features produced by additive manufacturing processes using vat photopolymerization method
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article
Mechanical properties of additively manufactured die with numerical analysis in extrusion process
Abstract
Extrusion process has been used for many decades as a transformation and shaping technology in the plastic processing industry. In this study the die deformation, critical for the extrudate product quality, was investigated in the plastic extrusion process by numerical modelling and compared with the experimental results. Dies with various thickness were fabricated by stereolithography (SLA) additive manufacturing (AM). COMSOL Multiphysics was applied as a modelling tool to simulate the experiments. Hence in this work a Fluid-Structure Interaction (FSI) numerical model based on the finite element method has been developed. The FSI model solves full Navier-Stokes (N-S) equation for the insert flow, while its output serves as an applied distributed load, e.g. as a boundary condition, for the structural analysis of the extruder. Eventually, this model can enable to identify the potential areas in the extrusion die where structural failure might occur.