Liquid phase sintering of LiF-fluxed BaTiO3

Sea Fue Wang, Wayne Huebner, Clive Randall

Research output: Contribution to conferencePaperpeer-review

Abstract

The purpose of the authors investigations is to clarify the interaction of BaTiO3X with Li compounds during liquid phase sintering, the chemical inhomogeneity of the resulting microstructure-property relationships. It is shown that the onset of densification in the flux systems studied can be directly correlated with the temperatures at which a eutectic liquid forms. The lower sintering temperatures of Ba-excess compositions (due to BaCO3X) is clearly due to the eutectic liquid which forms at 610 C, compared to 700 C when BaCO3X is not present. TEM micrographs reveal BaTio3X sintered with 2% weight LiF (Ba/Ti=1.02) at 900 C for 2 hours results in a grain core(tetragonal)-shell(cubic) structure.

Original languageEnglish (US)
Pages85-91
Number of pages7
StatePublished - Jan 1 1991
EventProceedings of the International Conference on the Chemistry of Electronic Ceramic Materials - Jackson, WY, USA
Duration: Aug 17 1990Aug 22 1990

Conference

ConferenceProceedings of the International Conference on the Chemistry of Electronic Ceramic Materials
CityJackson, WY, USA
Period8/17/908/22/90

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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