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A method of surface strengthening of soda lime aluminosilicate glasses by Li and Al ion vapour treatment
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Mallick, Kajal and Holland, Diane (2013) A method of surface strengthening of soda lime aluminosilicate glasses by Li and Al ion vapour treatment. Journal of Materials Science , 48 (14). pp. 5012-5021. doi:10.1007/s10853-013-7288-7 ISSN 1573-4803.
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WRAP_Mallick_Kajal Mallick Publication 4 JACSJMSC30294.pdf - Submitted Version Embargoed item. Restricted access to Repository staff only Download (909Kb) |
Official URL: http://dx.doi.org/10.1007/s10853-013-7288-7
Abstract
A method of strength enhancement of soda lime silica based container glass compositions is described for the first time that employs simplified vapour treatment
protocols of Li and Al ion diffusion from gas phase sources of LiBr and AlBr3 into Float, soda-lime-silica and commercial compositions with or without added Al2O3. An overall strength of 33-121 % without discernible loss of transparency was achieved. LiBr treatment at 585 oC produced strength values of about 400 MPa for the base and the alumina modified glasses. AlBr3 exposure resulted in an increase of 49-95 % to 355
MPa for only 30 minute treatment, but proportionally lowers for shorter times. No appreciable reduction in strength occurred on follow-up heat treatments. Consecutive AlBr3 and LiBr treatment was highly effective in 121 % improvement in strength for 30 and 10 minute exposure, respectively. Presence of Al ion in the bulk and Li diffusion is suggested to form low TCE phases, culminating in the observed strength increase.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics T Technology > TP Chemical technology |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) |
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Library of Congress Subject Headings (LCSH): | Glass manufacture, Lithium ions | ||||
Journal or Publication Title: | Journal of Materials Science | ||||
Publisher: | Springer | ||||
ISSN: | 1573-4803 | ||||
Official Date: | July 2013 | ||||
Dates: |
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Volume: | 48 | ||||
Number: | 14 | ||||
Page Range: | pp. 5012-5021 | ||||
DOI: | 10.1007/s10853-013-7288-7 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
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