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Kinetics of chemical strengthening and trends in effective diffusion coefficients
RISE Research Institutes of Sweden, Sweden.
University of Jena, Germany.
Linnaeus University, Faculty of Technology, Department of Built Environment and Energy Technology. (Glass group)
Linnaeus University, Faculty of Technology, Department of Built Environment and Energy Technology. (Glass group)
2019 (English)In: 25th International Congresson Glass (ICG 2019); ABSTRACT BOOK: June 9–14, 2019Boston, Massachusetts USA, American Ceramic Society, 2019, p. 167-167Conference paper, Oral presentation with published abstract (Refereed)
Abstract [en]

Alkali cation exchange has received significant attention with respect to introducing compressive stress in the glass surface, a process frequently called chemical strengthening. Besides mechanical properties may also other properties such as optical, electrical and chemical properties be modified using ion exchange of various monovalent ions. The mobility of monovalent ions varies and the relations of structural and effective diffusion coefficients may help to understand how to improve the ion exchange kinetics of soda lime silicates. We discuss the trends in the effective diffusion coefficients when exchanging Na+ for various monovalent cations (K+, Cu+, Ag+, Rb+ and Cs+) by their correlations to physico-chemical properties. The most significant correlations were found to be the bond dissociation energy and the electronic cation polarizability, indicating that electron localization and the rupture of bonds are of importance for the ion exchange rate.

Place, publisher, year, edition, pages
American Ceramic Society, 2019. p. 167-167
National Category
Ceramics
Research subject
Technology (byts ev till Engineering), Glass Technology
Identifiers
URN: urn:nbn:se:lnu:diva-89073OAI: oai:DiVA.org:lnu-89073DiVA, id: diva2:1350560
Conference
25th International Congress on Glass (ICG 2019), 9-14 June, 2019, Boston, USA
Available from: 2019-09-11 Created: 2019-09-11 Last updated: 2019-09-18Bibliographically approved

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Ali, SharafatJonson, Bo

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf