Abstract

Slurries containing platelike Bi4Ti3O12 particles have been tape cast to prepare green sheets with aligned particles. The slurries contain well‐dispersed particles and show nearly Newtonian flow behavior. The effect of slurry composition and casting conditions on the particle orientation has been examined. The particle orientation in the green sheet is determined mainly by powder content; other parameters, such as binder content, casting speed, and blade opening, have little effect. The interaction between particles is a main cause for particle alingnment. The slurry with a large powder content is favorable for preparing dense grain‐oriented ceramics.

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