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Densification of uniformly small-grained BaTiO3 using spark-plasma-sintering

  • Baorang Li*
  • , Xiaohui Wang
  • , Minmin Cai
  • , Lifeng Hao
  • , Longtu Li
  • *Corresponding author for this work
  • Tsinghua University

Research output: Contribution to journalArticlepeer-review

Abstract

This paper reports results of an investigation aiming at finding what affects the microstructure and density of barium titanate (BaTiO3) by spark-plasma-sintering (SPS) process. Nano-sized BaTiO3 powders were prepared by different chemical methods and then sintered under different SPS conditions such as synthesis methods, heating rate, holding time and sintering temperature, etc. The possible effects of these factors upon the densities and grain size have been analyzed in details. The results show that dense BaTiO3 with grain size of less than 100nm can be obtained by controlling the conditions during SPS process.

Original languageEnglish
Pages (from-to)173-180
Number of pages8
JournalMaterials Chemistry and Physics
Volume82
Issue number1
DOIs
StatePublished - 28 Sep 2003
Externally publishedYes

Keywords

  • Heating rate
  • Holding time
  • Nano-BaTiO powder
  • Sintering temperature
  • Synthesis method

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