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Sensors 2017, 17(3), 456; doi:10.3390/s17030456

Temperature Mapping of 3D Printed Polymer Plates: Experimental and Numerical Study

Laboratory of Advanced Manufacturing Technologies and Testing, University of Piraeus, Karaoli and Dimitriou 80, 185 34 Piraeus, Greece
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Academic Editors: Jae-Won Choi and Erik D. Engeberg
Received: 22 November 2016 / Revised: 21 February 2017 / Accepted: 22 February 2017 / Published: 24 February 2017
(This article belongs to the Special Issue 3D Printed Sensors)
View Full-Text   |   Download PDF [2016 KB, uploaded 24 February 2017]   |  

Abstract

In Fused Deposition Modeling (FDM), which is a common thermoplastic Additive Manufacturing (AM) method, the polymer model material that is in the form of a flexible filament is heated above its glass transition temperature (Tg) to a semi-molten state in the head’s liquefier. The heated material is extruded in a rastering configuration onto the building platform where it rapidly cools and solidifies with the adjoining material. The heating and rapid cooling cycles of the work materials exhibited during the FDM process provoke non-uniform thermal gradients and cause stress build-up that consequently result in part distortions, dimensional inaccuracy and even possible part fabrication failure. Within the purpose of optimizing the FDM technique by eliminating the presence of such undesirable effects, real-time monitoring is essential for the evaluation and control of the final parts’ quality. The present work investigates the temperature distributions developed during the FDM building process of multilayered thin plates and on this basis a numerical study is also presented. The recordings of temperature changes were achieved by embedding temperature measuring sensors at various locations into the middle-plane of the printed structures. The experimental results, mapping the temperature variations within the samples, were compared to the corresponding ones obtained by finite element modeling, exhibiting good correlation. View Full-Text
Keywords: fused deposition modeling; real-time monitoring; temperature mapping; FEM simulation; thin plates fused deposition modeling; real-time monitoring; temperature mapping; FEM simulation; thin plates
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Kousiatza, C.; Chatzidai, N.; Karalekas, D. Temperature Mapping of 3D Printed Polymer Plates: Experimental and Numerical Study. Sensors 2017, 17, 456.

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