GS&E journal > Investigating the flexural strength of recycled cast glass

Currently, tons of high quality commercial glass are down-cycled or landfilled due to contaminants that prevent close-loop recycling. Yet, this glass is potentially a valuable resource for casting robust and aesthetically unique building components. Exploring the potential of this idea, different...

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Autores principales:	Telesilla Bristogianni, Faidra Oikonomopoulou, Rong Yu, Fred A. Veer, Rob Nijsse
Formato:	article
Lenguaje:	EN
Publicado:	Challenging Glass Conference 2020
Materias:	cast glass glass flexural strength glass defects recycling of glass waste mechanical properties of glass Clay industries. Ceramics. Glass TP785-869
Acceso en línea:	https://doaj.org/article/dd6d5865b4134e6cb6165b8b444822fd
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spelling	oai:doaj.org-article:dd6d5865b4134e6cb6165b8b444822fd2021-12-05T05:13:10ZGS&E journal > Investigating the flexural strength of recycled cast glass2589-8019https://doaj.org/article/dd6d5865b4134e6cb6165b8b444822fd2020-09-01T00:00:00Zhttps://proceedings.challengingglass.com/index.php/cgc/article/view/265https://doaj.org/toc/2589-8019 Currently, tons of high quality commercial glass are down-cycled or landfilled due to contaminants that prevent close-loop recycling. Yet, this glass is potentially a valuable resource for casting robust and aesthetically unique building components. Exploring the potential of this idea, different types of non-recyclable silicate glasses are kiln-cast into 3030240mm beams, at relatively low temperatures (820 oC - 1120 oC). The defects occurring in the glass specimens due to cullet contamination and the high viscosity of the glass melt, are documented and correlated to the casting parameters. Then, the kiln-cast specimens and industrially manufactured reference beams are tested in four-point bending, obtaining a flexural strength range of 9-72MPa. The results are analysed according to the role of the chemical composition, level of contamination and followed casting parameters, in determining the flexural strength, the Young’s modulus and the prevailing strength-limiting flaw. Chemical compositions of favourable performance are highlighted, so as critical flaws responsible for a dramatic decrease in strength, up to 75%. The defects situated in the glass bulk, however, are tolerated by the glass network and have minor impact on flexural strength and Young’s modulus. The prerequisites for good quality recycled cast glass building components are identified and an outline for future research is provided. Telesilla BristogianniFaidra OikonomopoulouRong YuFred A. VeerRob NijsseChallenging Glass Conferencearticlecast glassglass flexural strengthglass defectsrecycling of glass wastemechanical properties of glassClay industries. Ceramics. GlassTP785-869ENChallenging Glass Conference Proceedings, Vol 7, Iss 1 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	cast glass glass flexural strength glass defects recycling of glass waste mechanical properties of glass Clay industries. Ceramics. Glass TP785-869
spellingShingle	cast glass glass flexural strength glass defects recycling of glass waste mechanical properties of glass Clay industries. Ceramics. Glass TP785-869 Telesilla Bristogianni Faidra Oikonomopoulou Rong Yu Fred A. Veer Rob Nijsse GS&E journal > Investigating the flexural strength of recycled cast glass
description	Currently, tons of high quality commercial glass are down-cycled or landfilled due to contaminants that prevent close-loop recycling. Yet, this glass is potentially a valuable resource for casting robust and aesthetically unique building components. Exploring the potential of this idea, different types of non-recyclable silicate glasses are kiln-cast into 3030240mm beams, at relatively low temperatures (820 oC - 1120 oC). The defects occurring in the glass specimens due to cullet contamination and the high viscosity of the glass melt, are documented and correlated to the casting parameters. Then, the kiln-cast specimens and industrially manufactured reference beams are tested in four-point bending, obtaining a flexural strength range of 9-72MPa. The results are analysed according to the role of the chemical composition, level of contamination and followed casting parameters, in determining the flexural strength, the Young’s modulus and the prevailing strength-limiting flaw. Chemical compositions of favourable performance are highlighted, so as critical flaws responsible for a dramatic decrease in strength, up to 75%. The defects situated in the glass bulk, however, are tolerated by the glass network and have minor impact on flexural strength and Young’s modulus. The prerequisites for good quality recycled cast glass building components are identified and an outline for future research is provided.
format	article
author	Telesilla Bristogianni Faidra Oikonomopoulou Rong Yu Fred A. Veer Rob Nijsse
author_facet	Telesilla Bristogianni Faidra Oikonomopoulou Rong Yu Fred A. Veer Rob Nijsse
author_sort	Telesilla Bristogianni
title	GS&E journal > Investigating the flexural strength of recycled cast glass
title_short	GS&E journal > Investigating the flexural strength of recycled cast glass
title_full	GS&E journal > Investigating the flexural strength of recycled cast glass
title_fullStr	GS&E journal > Investigating the flexural strength of recycled cast glass
title_full_unstemmed	GS&E journal > Investigating the flexural strength of recycled cast glass
title_sort	gs&e journal > investigating the flexural strength of recycled cast glass
publisher	Challenging Glass Conference
publishDate	2020
url	https://doaj.org/article/dd6d5865b4134e6cb6165b8b444822fd
work_keys_str_mv	AT telesillabristogianni gsejournalinvestigatingtheflexuralstrengthofrecycledcastglass AT faidraoikonomopoulou gsejournalinvestigatingtheflexuralstrengthofrecycledcastglass AT rongyu gsejournalinvestigatingtheflexuralstrengthofrecycledcastglass AT fredaveer gsejournalinvestigatingtheflexuralstrengthofrecycledcastglass AT robnijsse gsejournalinvestigatingtheflexuralstrengthofrecycledcastglass
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GS&E journal > Investigating the flexural strength of recycled cast glass

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