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Article

Up-Cycling of LCD Glass by Additive Manufacturing of Porous Translucent Glass Scaffolds

1
Centre for Functional and Surface-Functionalized Glass, Alexander Dubček University of Trenčín, Študentská 2, 911 50 Trenčín, Slovakia
2
Ceramics Department, National Research Centre, Cairo 12622, Egypt
3
Department of Industrial Engineering, University of Padova, 35131 Padova, Italy
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Department of Civil, Environmental and Architectural Engineering: Dept. ICEA, University of Padova, 35131 Padova, Italy
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Joint glass centre of the IIC SAS, TnUAD, and FChFT STU, FunGlass, Alexander Dubček University of Trenčín, 911 50 Trenčín, Slovakia
*
Author to whom correspondence should be addressed.
Academic Editor: Gianluca Malavasi
Materials 2021, 14(17), 5083; https://doi.org/10.3390/ma14175083
Received: 23 July 2021 / Revised: 30 August 2021 / Accepted: 3 September 2021 / Published: 5 September 2021
(This article belongs to the Special Issue Porous Glass and Ceramics: From Preparation to Applications)
Additive manufacturing technologies, compared to conventional shaping methods, offer great opportunities in design versatility, for the manufacturing of highly porous ceramic components. However, the application to glass powders, later subjected to viscous flow sintering, involves significant challenges, especially in shape retention and in the achievement of a substantial degree of translucency in the final products. The present paper disclosed the potential of glass recovered from liquid crystal displays (LCD) for the manufacturing of highly porous scaffolds by direct ink writing and masked stereolithography of fine powders mixed with suitable organic additives, and sintered at 950 °C, for 1–1.5 h, in air. The specific glass, featuring a relatively high transition temperature (Tg~700 °C), allowed for the complete burn-out of organics before viscous flow sintering could take place; in addition, translucency was favored by the successful removal of porosity in the struts and by the resistance of the used glass to crystallization. View Full-Text
Keywords: glass recycling; LCD glass; additive manufacturing; direct ink writing; scaffolds glass recycling; LCD glass; additive manufacturing; direct ink writing; scaffolds
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MDPI and ACS Style

Dasan, A.; Ożóg, P.; Kraxner, J.; Elsayed, H.; Colusso, E.; Grigolato, L.; Savio, G.; Galusek, D.; Bernardo, E. Up-Cycling of LCD Glass by Additive Manufacturing of Porous Translucent Glass Scaffolds. Materials 2021, 14, 5083. https://doi.org/10.3390/ma14175083

AMA Style

Dasan A, Ożóg P, Kraxner J, Elsayed H, Colusso E, Grigolato L, Savio G, Galusek D, Bernardo E. Up-Cycling of LCD Glass by Additive Manufacturing of Porous Translucent Glass Scaffolds. Materials. 2021; 14(17):5083. https://doi.org/10.3390/ma14175083

Chicago/Turabian Style

Dasan, Arish, Paulina Ożóg, Jozef Kraxner, Hamada Elsayed, Elena Colusso, Luca Grigolato, Gianpaolo Savio, Dusan Galusek, and Enrico Bernardo. 2021. "Up-Cycling of LCD Glass by Additive Manufacturing of Porous Translucent Glass Scaffolds" Materials 14, no. 17: 5083. https://doi.org/10.3390/ma14175083

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