A rule-of-mixtures model for sintering of particle-reinforced ceramic-matrix composites

H.J. Edrees, A.C. Smith, A. Hendry

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

A model is described for the densification of ceramics and particle-reinforced ceramic-matrix composites when the degree of shrinkage is large. A rule of mixtures model can be used to describe the degree of densification in cases where there is no interfacial reaction between the reinforcement and the matrix. These models are illustrated by the reaction sintering of sialon and of sialon with titanium nitride, and also by the sintering of clay containing silicon carbide. The extent of linear shrinkage and also the rate of densification decrease with increasing volume fraction of reinforcement and these effects are explained on the basis of the model. The correspondence between the data and the model allow the prediction of shrinkage in particle-reinforced composite systems where there is no interfacial reaction during the densification process.
Original languageEnglish
Pages (from-to)275-278
Number of pages3
JournalJournal of the European Ceramic Society
Volume18
Issue number3
DOIs
Publication statusPublished - 1998

Keywords

  • ceramic-matrix composites
  • mixtures model
  • densification
  • linear shrinkage

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