Sintering of Bimodally Distributed Alumina Powders

J. P. SMITH, Gary Lynn Messing

Research output: Contribution to journalArticlepeer-review

58 Scopus citations


The densification of alumina powders prepared to have a bi‐modal particle‐size distribution with a coarse‐to‐fine particle‐size ratio of ≊ 10 can be predicted to a first approximation if the densification of the fine and coarse powders is known. Deviations from model prediction were attributed to compositional heterogeneity. Microstructural observations of bimodal powders show that only the fine powder undergoes grain growth. Thus, the grain‐size distribution becomes more uniform than the initial particle‐size distribution.

Original languageEnglish (US)
Pages (from-to)238-242
Number of pages5
JournalJournal of the American Ceramic Society
Issue number4
StatePublished - Jan 1 1984

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry


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