Effect of Post-Printing Cooling Conditions on the Properties of ULTEM Printed Parts
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Glaskova-Kuzmina, Tatjana
Dejus, Didzis
Jatnieks, Janis
Aniskevich, Andrey
Sevcenko, Jevgenijs
Sarakovskis, Anatolijs
Zolotarjovs, Aleksejs
Date
2023Metadata
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Open AccessArticle
Effect of Post-Printing Cooling Conditions on the Properties of ULTEM Printed Parts
by Tatjana Glaskova-Kuzmina 1,2,*ORCID,Didzis Dejus 1,Jānis Jātnieks 1,Andrey Aniskevich 2ORCID,Jevgenijs Sevcenko 2,Anatolijs Sarakovskis 3 andAleksejs Zolotarjovs 3
1
Baltic3D.eu, Braslas 22D, LV-1035 Riga, Latvia
2
Institute for Mechanics of Materials, University of Latvia, Jelgavas 3, LV-1004 Riga, Latvia
3
Institute of Solid State Physics, Kengaraga 8, LV-1063 Riga, Latvia
*
Author to whom correspondence should be addressed.
Polymers 2023, 15(2), 324; https://doi.org/10.3390/polym15020324
Submission received: 24 November 2022 / Revised: 29 December 2022 / Accepted: 6 January 2023 / Published: 8 January 2023
(This article belongs to the Special Issue Mechanical and Physical Properties of 3D Printed Polymer Materials)
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Abstract
This paper aimed to estimate the effect of post-printing cooling conditions on the tensile and thermophysical properties of ULTEM® 9085 printed parts processed by fused deposition modeling (FDM). Three different cooling conditions were applied after printing Ultem samples: from 180 °C to room temperature (RT) for 4 h in the printer (P), rapid removal from the printer and cooling from 200 °C to RT for 4 h in the oven (O), and cooling at RT (R). Tensile tests and dynamic mechanical thermal analysis (DMTA) were carried out on samples printed in three orthogonal planes to investigate the effect of the post-printing cooling conditions on their mechanical and thermophysical properties. Optical microscopy was employed to relate the corresponding macrostructure to the mechanical performance of the material. The results obtained showed almost no difference between samples cooled either in the printer or oven and a notable difference for samples cooled at room temperature. Moreover, the lowest mechanical performance and sensitivity to the thermal cooling conditions were defined for the Z printing direction due to anisotropic nature of FDM and debonding among layers.--//-- This is an open access article Glaskova-Kuzmina, T.; Dejus, D.; Jātnieks, J.; Aniskevich, A.; Sevcenko, J.; Sarakovskis, A.; Zolotarjovs, A. Effect of Post-Printing Cooling Conditions on the Properties of ULTEM Printed Parts. Polymers 2023, 15, 324. https://doi.org/10.3390/polym15020324 published under the CC BY 4.0 licence.