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Construction of full residual stress depth profile in glass using the knowledge of surface stress

Construction of full residual stress depth profile in glass using the knowledge of surface stress
Construction of full residual stress depth profile in glass using the knowledge of surface stress
This paper presents the development of a simple method to determine the full residual stress depth profile in architectural (i.e. construction sector) glass. The proposed model requires only the knowledge of the surface residual stress of glass, which can be known from the glass manufacturer or can be measured using a Scattered-Light-Polariscope (SCALP), as input. The requirement of through-thickness force equilibrium and the knowledge of parabolic shape of the residual stress depth profile are used to uniquely determine the residual stress depth profile in any given glass panel. Unlike the complex models reported in the literature, the proposed technique does not require modelling the complex multi-physics phenomenon of the generation of residual stress or the use of complex computational models. The residual stress predictions from the proposed model were validated against experimental results. The paper also presents a sensitivity analysis in order to justify the accuracy of the proposed model even after the possible errors/inaccuracies in the only input data (i.e. surface stress) of the model was incorporated in the analyses.
Analysis, Design, Glass, Residual stress, Structures
Achintha, Mithila
8163c322-de6d-4791-bc31-ba054cc0e07d
Belis, Jan
Bos, Freek
Louter, Christian
Achintha, Mithila
8163c322-de6d-4791-bc31-ba054cc0e07d
Belis, Jan
Bos, Freek
Louter, Christian

Achintha, Mithila (2020) Construction of full residual stress depth profile in glass using the knowledge of surface stress. Belis, Jan, Bos, Freek and Louter, Christian (eds.) In Challenging Glass Conference Proceedings. vol. 7, 7 pp . (doi:10.7480/cgc.7.4504).

Record type: Conference or Workshop Item (Paper)

Abstract

This paper presents the development of a simple method to determine the full residual stress depth profile in architectural (i.e. construction sector) glass. The proposed model requires only the knowledge of the surface residual stress of glass, which can be known from the glass manufacturer or can be measured using a Scattered-Light-Polariscope (SCALP), as input. The requirement of through-thickness force equilibrium and the knowledge of parabolic shape of the residual stress depth profile are used to uniquely determine the residual stress depth profile in any given glass panel. Unlike the complex models reported in the literature, the proposed technique does not require modelling the complex multi-physics phenomenon of the generation of residual stress or the use of complex computational models. The residual stress predictions from the proposed model were validated against experimental results. The paper also presents a sensitivity analysis in order to justify the accuracy of the proposed model even after the possible errors/inaccuracies in the only input data (i.e. surface stress) of the model was incorporated in the analyses.

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More information

Published date: 4 September 2020
Keywords: Analysis, Design, Glass, Residual stress, Structures

Identifiers

Local EPrints ID: 445581
URI: http://eprints.soton.ac.uk/id/eprint/445581
PURE UUID: 147deddc-a2cc-43b7-8e74-3da7b523be53
ORCID for Mithila Achintha: ORCID iD orcid.org/0000-0002-1732-3514

Catalogue record

Date deposited: 16 Dec 2020 17:38
Last modified: 12 Dec 2021 11:40

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Contributors

Author: Mithila Achintha ORCID iD
Editor: Jan Belis
Editor: Freek Bos
Editor: Christian Louter

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