Coarsening in a viscous matrix

George W. Scherer

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

When a viscous material is three-dimensionally constrained (as when a gel or slurry of glass is infiltrated into the interstices of a particle packing), heat treatment leads to coarsening of the pore-size distribution, rather than densification. The smaller pores generate greater capillary pressure; therefore, they shrink and force the larger pores to expand. In this article, the kinetics of coarsening are analyzed, and sample calculations are performed for a body with a lognormal distribution of pore sizes.

Original languageEnglish (US)
Pages (from-to)49-54
Number of pages6
JournalJournal of the American Ceramic Society
Volume81
Issue number1
StatePublished - Jan 1 1998

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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