Sintering inhomogeneous glasses: Application to optical waveguides

George W. Scherer

Research output: Contribution to journalArticlepeer-review

150 Scopus citations

Abstract

Variations in viscosity or pore size within a glass body cause uneven contraction during sintering. Consequently, stresses develop which alter the local sintering rate and, in some cases, produce bulk flow. This paper illustrates how these stresses can be analyzed by analogy to thermal stress. As a particular example, sintering of optical waveguide preforms made by the OVPO process is examined in detail. The magnitude of the self-stresses, and the conditions required for bulk flow are determined.

Original languageEnglish (US)
Pages (from-to)239-256
Number of pages18
JournalJournal of Non-Crystalline Solids
Volume34
Issue number2
DOIs
StatePublished - 1979

All Science Journal Classification (ASJC) codes

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

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