Templated grain growth of textured bismuth titanate

Jeffrey A. Horn, S. C. Zhang, U. Selvaraj, Gary Lynn Messing, Susan E. Trolier-McKinstry

Research output: Contribution to journalArticle

277 Citations (Scopus)

Abstract

Textured bismuth titanate, Bi4Ti3O12 (BIT), was produced by templated grain growth (TGG). Molten-salt-synthesized BiT platelets were dispersed in a matrix of 200 nm BiT powder and aligned by tape casting. Highly textured BiT was obtained with the use of only 5 vol% template particles by sintering at 1000 °C for 1 h. The uniformity of the through-thickness texture is much higher than reported in the literature for BiT tapes cast with 100% platelets. Initial platelet alignment is shown to increase because of frequent interaction with the fine powder particles during tape casting. By avoiding pressure densification techniques and using only a small portion of anisometric particles, TGG is a low-cost option for fabricating textured ceramics.

Original languageEnglish (US)
Pages (from-to)921-926
Number of pages6
JournalJournal of the American Ceramic Society
Volume82
Issue number4
DOIs
StatePublished - Jan 1 1999

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titanate
bismuth
Platelets
Bismuth
Grain growth
Tapes
Powders
Casting
Densification
ceramics
Molten materials
Sintering
Salts
Textures
texture
salt
matrix
cost
bismuth titanate
particle

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Geology
  • Geochemistry and Petrology
  • Materials Chemistry

Cite this

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abstract = "Textured bismuth titanate, Bi4Ti3O12 (BIT), was produced by templated grain growth (TGG). Molten-salt-synthesized BiT platelets were dispersed in a matrix of 200 nm BiT powder and aligned by tape casting. Highly textured BiT was obtained with the use of only 5 vol{\%} template particles by sintering at 1000 °C for 1 h. The uniformity of the through-thickness texture is much higher than reported in the literature for BiT tapes cast with 100{\%} platelets. Initial platelet alignment is shown to increase because of frequent interaction with the fine powder particles during tape casting. By avoiding pressure densification techniques and using only a small portion of anisometric particles, TGG is a low-cost option for fabricating textured ceramics.",
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Templated grain growth of textured bismuth titanate. / Horn, Jeffrey A.; Zhang, S. C.; Selvaraj, U.; Messing, Gary Lynn; Trolier-McKinstry, Susan E.

In: Journal of the American Ceramic Society, Vol. 82, No. 4, 01.01.1999, p. 921-926.

Research output: Contribution to journalArticle

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AU - Horn, Jeffrey A.

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AB - Textured bismuth titanate, Bi4Ti3O12 (BIT), was produced by templated grain growth (TGG). Molten-salt-synthesized BiT platelets were dispersed in a matrix of 200 nm BiT powder and aligned by tape casting. Highly textured BiT was obtained with the use of only 5 vol% template particles by sintering at 1000 °C for 1 h. The uniformity of the through-thickness texture is much higher than reported in the literature for BiT tapes cast with 100% platelets. Initial platelet alignment is shown to increase because of frequent interaction with the fine powder particles during tape casting. By avoiding pressure densification techniques and using only a small portion of anisometric particles, TGG is a low-cost option for fabricating textured ceramics.

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