The strength of glass, hidden damage

The strength of float glass is a necessary engineering parameter. Determining this strength is a complex problem. Earlier results have shown that statistically bending test results are not a homogeneous group. To explain this, a theory of “hidden damage” is proposed. The essence of this theory is t...

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Autores principales:	Frederic Veer, Yurii Rodichev
Formato:	article
Lenguaje:	EN
Publicado:	Challenging Glass Conference 2016
Materias:	Glass strength statistical distribution Clay industries. Ceramics. Glass TP785-869
Acceso en línea:	https://doaj.org/article/1be4a15f009f432e9e5704e3889060b6
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spelling	oai:doaj.org-article:1be4a15f009f432e9e5704e3889060b62021-12-04T05:12:42ZThe strength of glass, hidden damage10.7480/cgc.2.24282589-8019https://doaj.org/article/1be4a15f009f432e9e5704e3889060b62016-06-01T00:00:00Zhttps://proceedings.challengingglass.com/index.php/cgc/article/view/78https://doaj.org/toc/2589-8019 The strength of float glass is a necessary engineering parameter. Determining this strength is a complex problem. Earlier results have shown that statistically bending test results are not a homogeneous group. To explain this, a theory of “hidden damage” is proposed. The essence of this theory is that the different sides of float glass are unequal, not only because of the differences between the Tin and nitrogen sides, but because of the difference between the side scored under the sheet glass cutting and the side which has the crack propagation from the scored side in breaking. Extensive tests on rolled glass suggest that the rolling process damages the glass in a special way, causing “invisible” damage – statistically not a homogeneous distribution of micro-cracks on the edge surface of glass element. These micro-cracks are different on the scored and broken sides of glass. They are the fracture source under the loading and influence negatively on glass element strength and statistics of strength data.This “invisible” damage explains most if not all of the non-homogenous distribution of the test results. It is shown that removal of this damage on the edges of glass elements increases the engineering strength of float glass significantly. Frederic VeerYurii RodichevChallenging Glass ConferencearticleGlass strengthstatistical distributionClay industries. Ceramics. GlassTP785-869ENChallenging Glass Conference Proceedings, Vol 2, Iss 1 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	Glass strength statistical distribution Clay industries. Ceramics. Glass TP785-869
spellingShingle	Glass strength statistical distribution Clay industries. Ceramics. Glass TP785-869 Frederic Veer Yurii Rodichev The strength of glass, hidden damage
description	The strength of float glass is a necessary engineering parameter. Determining this strength is a complex problem. Earlier results have shown that statistically bending test results are not a homogeneous group. To explain this, a theory of “hidden damage” is proposed. The essence of this theory is that the different sides of float glass are unequal, not only because of the differences between the Tin and nitrogen sides, but because of the difference between the side scored under the sheet glass cutting and the side which has the crack propagation from the scored side in breaking. Extensive tests on rolled glass suggest that the rolling process damages the glass in a special way, causing “invisible” damage – statistically not a homogeneous distribution of micro-cracks on the edge surface of glass element. These micro-cracks are different on the scored and broken sides of glass. They are the fracture source under the loading and influence negatively on glass element strength and statistics of strength data.This “invisible” damage explains most if not all of the non-homogenous distribution of the test results. It is shown that removal of this damage on the edges of glass elements increases the engineering strength of float glass significantly.
format	article
author	Frederic Veer Yurii Rodichev
author_facet	Frederic Veer Yurii Rodichev
author_sort	Frederic Veer
title	The strength of glass, hidden damage
title_short	The strength of glass, hidden damage
title_full	The strength of glass, hidden damage
title_fullStr	The strength of glass, hidden damage
title_full_unstemmed	The strength of glass, hidden damage
title_sort	strength of glass, hidden damage
publisher	Challenging Glass Conference
publishDate	2016
url	https://doaj.org/article/1be4a15f009f432e9e5704e3889060b6
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The strength of glass, hidden damage

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