首页|Preparation of Barium Titanate Grain-oriented Ceramics and Their Piezoelectric Properties

Preparation of Barium Titanate Grain-oriented Ceramics and Their Piezoelectric Properties

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  • NETL
  • NSTL
  • Trans Tech Publications Ltd
Barium titanate (BaTiO_3, BT) grain-oriented ceramics along [110] direction were prepared by a templated grain growth (TGG) method. The [110] oriented BT platelike particles (t-BT) were used as template particles. BT grain-oriented ceramics with higher relative density (D_(rel)) over 95 %, high degree of orientation along [110] direction (F_(110)) over 80 % and grain sizes around 30 urn were successfully prepared using only the template particles. The relationship between microstructures and piezoelectric constant (d_(33)) was investigated. The higher F_(110) was, the higher D_(rel) and the smaller grain size were required for enhancement of the piezoelectric properties.

barium titanategrain oriented ceramicspiezoelectric propertylead-free ceramics

Rintaro Mori、Petr Pulpan、Hiroshi Hayashi、Yoshitaka Nagamori、Yuichi Yamamoto、Tethuo Uchikoshi、Thoru Suzuki、Satoshi Wada

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Material Science and Technology, Interdisciplinary Graduate School of Medical and Engineering, University of Yamanashi, 4-4-37 Takeda, Kofu, Yamanashi 400-8510, Japan

Development Planning And Research Department, Hayashi Chemical Industry Co., Ltd., 31 Nishi-Machi Donoato Ishihara Kisshoin, Minami-ku, Kyoto, Kyoto 601-8355, Japan

Technology Development Of Industrial Chemicals, Konoshima Chemical Co., Ltd. 4-1-1 Koraibashi Tyuoh-ku, Osaka, Osaka 541-0043, Japan

National Institute For Materials Science 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan

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2010

10.4028/www.scientific.net/KEM.445.3

Key engineering materials

Key engineering materials

ISSN：1013-9826
年,卷(期)：2010.445
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