Strengthening of silica glass by gel-derived coatings

B. D. Fabes, W. F. Doyle, B. J.J. Zelinski, L. A. Silverman, D. R. Uhlmann

Research output: Contribution to journalArticle

50 Scopus citations

Abstract

The use of sol-gel coatings to strengthen oxide glasses has been demonstrated for the case of fused silica. Increases in strength to as much as 2.2 tiimes the strength of uncoated glass have been obtained. The strengthening does not involve the annealing of surface microcracks, but rather the filling-in of such flaws. The strengthening does not depend on coating thickness over the range 2000-10000 Å, but does depend significantly upon the state of hydrolysis of the substrate surface.

Original languageEnglish (US)
Pages (from-to)349-355
Number of pages7
JournalJournal of Non-Crystalline Solids
Volume82
Issue number1-3
DOIs
StatePublished - Jun 1 1986
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry

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