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An Automated Open-Source Approach for Debinding Simulation in Metal Extrusion Additive Manufacturing

Chair of Engineering Design and CAD, University of Bayreuth, Universitaetsstr. 30, 95447 Bayreuth, Germany
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Received: 17 November 2020 / Revised: 15 December 2020 / Accepted: 17 December 2020 / Published: 2 January 2021
(This article belongs to the Special Issue 3D Printing Functionality: Materials, Sensors, Electromagnetics)
As an alternative to powder-bed based processes, metal parts can be additively manufactured by extrusion based additive manufacturing. In this process, a highly filled polymer filament is deposited and subsequently debindered and sintered. Choosing a proper orientation of the part that satisfies the requirements of the debinding and sintering processes is crucial for a successful manufacturing process. To determine the optimal orientation for debinding, first, the part must be scaled in order to compensate the sinter induced shrinkage. Then, a finite element analysis is performed to verify that the maximum stresses due to the dead load do not exceed the critical stress limits. To ease this selection process, an approach based on open source software is shown in this article to efficiently determine a part’s optimal orientation during debinding. This automates scaling, debinding simulation, and postprocessing for all six main directions. The presented automated simulation framework is examined on three application examples and provides plausible results in a technical context for all example parts, leading to more robust part designs and a reduction of experimental trial and error. Therefore, the presented framework is a useful tool in the product development process for metal extrusion additive manufacturing applications. View Full-Text
Keywords: debinding simulation; finite element analysis; metal extrusion additive manufacturing debinding simulation; finite element analysis; metal extrusion additive manufacturing
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MDPI and ACS Style

Rosnitschek, T.; Glamsch, J.; Lange, C.; Alber-Laukant, B.; Rieg, F. An Automated Open-Source Approach for Debinding Simulation in Metal Extrusion Additive Manufacturing. Designs 2021, 5, 2. https://doi.org/10.3390/designs5010002

AMA Style

Rosnitschek T, Glamsch J, Lange C, Alber-Laukant B, Rieg F. An Automated Open-Source Approach for Debinding Simulation in Metal Extrusion Additive Manufacturing. Designs. 2021; 5(1):2. https://doi.org/10.3390/designs5010002

Chicago/Turabian Style

Rosnitschek, Tobias, Johannes Glamsch, Christopher Lange, Bettina Alber-Laukant, and Frank Rieg. 2021. "An Automated Open-Source Approach for Debinding Simulation in Metal Extrusion Additive Manufacturing" Designs 5, no. 1: 2. https://doi.org/10.3390/designs5010002

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