Enhancing 3D Printed Substrates Using Atomic Layer Deposition
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3D printed Acrylonitrile Butadiene Styrene (ABS) and Polyvinyl Alcohol (PVA) polymer structures were coated and infiltrated with alumina (Al2O3) using the trimethylaluminum(III) (TMA) and water ALD process. Coating studies on ABS were carried out at 80˚C, which resulted in a 203 nm thin film with a 1.35 Å growth per cycle (GPC). The thin film was a well-adhered protective overcoating which prevented the reaction with acetone vapors in solvent resistance experiments. Infiltration studies on ABS and PVA structures were preformed at 130˚C and 80˚C respectively, to alter their physical properties. Differential Scanning Calorimetry (DSC) was used to determine the Glass Transition Temperature (Tg) of the polymers pre- and post-deposition after varying the number of ALD cycles, resulting in a change of ~ 9˚C and ~ 27˚C for ABS and PVA, respectively. After one heat cycle the post-deposition Tg reverted back to its pre-disposition point indicating reversibility of the deposition effects.
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Copyright © 2022 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 2022
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varga-enhancing3dprintedsubstratesusingatomiclayer.pdf | 2023-05-05 | Public | Download |