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Assessment of stresses in float and tempered glass using Eigenstrains

Assessment of stresses in float and tempered glass using Eigenstrains
Assessment of stresses in float and tempered glass using Eigenstrains
Residual stress data determined using the contour method has been used to determine the misfit-strains (i.e., eigenstrains) existent in float glass. Although the uncertainty associated with the results of the contour method analysis may be high the results agree with the residual stress profiles measured using scattered-light-polariscope experiments. The relationship between the eigenstrains and the thickness of glass has been investigated and the results have been validated using scattered-light-polariscopic experiments. The paper shows that the eigenstrain distribution depends on the differential cooling takes place during the manufacturing process. Once the underlying eigenstrain distribution in a given float glass product has been determined this can be used to devise the eigenstrain distribution in tempered glass. It is also shown that eigenstrain analysis can be implemented in finite element models to predict structural response of glass structures thereby to ensure efficient, safe and reliable designs.
contour method, eigenstrain, finite element, glass, residual stress
1741-2765
1-15
Balan, B.
80763aab-d3b8-405a-b468-c233f9325e43
Achintha, M.
8163c322-de6d-4791-bc31-ba054cc0e07d
Balan, B.
80763aab-d3b8-405a-b468-c233f9325e43
Achintha, M.
8163c322-de6d-4791-bc31-ba054cc0e07d

Balan, B. and Achintha, M. (2015) Assessment of stresses in float and tempered glass using Eigenstrains. Experimental Mechanics, 1-15. (doi:10.1007/s11340-015-0036-y).

Record type: Article

Abstract

Residual stress data determined using the contour method has been used to determine the misfit-strains (i.e., eigenstrains) existent in float glass. Although the uncertainty associated with the results of the contour method analysis may be high the results agree with the residual stress profiles measured using scattered-light-polariscope experiments. The relationship between the eigenstrains and the thickness of glass has been investigated and the results have been validated using scattered-light-polariscopic experiments. The paper shows that the eigenstrain distribution depends on the differential cooling takes place during the manufacturing process. Once the underlying eigenstrain distribution in a given float glass product has been determined this can be used to devise the eigenstrain distribution in tempered glass. It is also shown that eigenstrain analysis can be implemented in finite element models to predict structural response of glass structures thereby to ensure efficient, safe and reliable designs.

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More information

Accepted/In Press date: 27 April 2015
e-pub ahead of print date: 12 May 2015
Keywords: contour method, eigenstrain, finite element, glass, residual stress
Organisations: Infrastructure Group

Identifiers

Local EPrints ID: 377034
URI: https://eprints.soton.ac.uk/id/eprint/377034
ISSN: 1741-2765
PURE UUID: 7590b8ba-fe0e-41df-8def-e20c2f1e1e1e

Catalogue record

Date deposited: 18 May 2015 13:00
Last modified: 17 Jul 2017 21:04

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