Dielectric Breakdown Strength of Grain-Oriented Bi4Ti3O12 Ceramics
- 1 September 1992
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 31 (9S)
- https://doi.org/10.1143/jjap.31.3265
Abstract
DC dielectric breakdown strength Eb of grain-oriented Bi4Ti3O12 ceramics fabricated by the hot-forging method and the cold-uniaxial pressing method has been studied. In the hot-forging sample with the X-ray orientation factor of 0.84, Eb was about 22 MV/m, when electric field was applied parallel to the pressing axis of the grain-oriented ceramics. On the other hand, Eb was about 16 MV/m, when the field was perpendicular to the pressing axis. It was found that grain orientation is effective in increasing Eb parallel to the pressing axis.Keywords
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