A novel approach to sintering nanocrystalline barium titanate ceramics

Anton Polotai, Kristen Breece, Elizabeth Dickey, Clive A. Randall, Andrey Ragulya

Research output: Contribution to journalArticlepeer-review

125 Scopus citations

Abstract

A novel approach to pressureless sintering based on the combination of rapid-rate sintering, rate-controlled sintering, and two-step sintering under a controlled atmosphere is proposed. This combined sintering method facilitates control of grain and pore morphology. The application of this sintering approach for pure nanocrystalline barium titanate powder enables the suppression of grain growth during the intermediate and final stages of sintering and the production of fully dense ceramics with 108 nm grain size. The grain growth factor is 3.5, which is three and 17 times smaller than rate-controlled and conventional sintering, respectively.

Original languageEnglish (US)
Pages (from-to)3008-3012
Number of pages5
JournalJournal of the American Ceramic Society
Volume88
Issue number11
DOIs
StatePublished - Nov 1 2005

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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