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On the sensitivity of optical and mechanical characteristics of the Na+-Ag+ exchange process in soda-lime silicate glass

: Berg, K.-J.; Grau, P.; Nowak-Wozny, D.; Petzold, M.; Suszynska, M.


Materials chemistry and physics 40 (1995), pp.131-135 : Ill., Lit.
ISSN: 0254-0584
Journal Article
Fraunhofer IWM ()

The Vickers hardness number and the crack-formation resistance were determined for soda-lime silicate glass subjected to chemical treatment in an AgNO3 bath. The effectiveness of the induced Na+ = Ag+ ionic exchange process was modified by thermal annealing of the exchanged specimens in air and gaseous hydrogen. It was found that the formation of colloidal silver particles induces a distinct yellow-brownish coloration and an increase in the crack formation resistance of chemically and thermally pretreated glass specimens.