Preparation of Barium Titanate Grain-Oriented Ceramics and their Piezoelectric Properties |
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| Journal | Key Engineering Materials (Volume 445) |
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| Volume | Electroceramics in Japan XIII |
| Edited by | Shinobu Fujihara and Tadashi Takenaka |
| Pages | 3-6 |
| DOI | 10.4028/www.scientific.net/KEM.445.3 |
| Citation | Rintaro Mori et al., 2010, Key Engineering Materials, 445, 3 |
| Online since | July, 2010 |
| Authors | Rintaro Mori, Petr Pulpan, Hiroshi Hayashi, Yoshitaka Nagamori, Yuichi Yamamoto, Tetsuo Uchikoshi, Thoru Suzuki, Satoshi Wada |
| Keywords | Barium Titanate, Grain Oriented Ceramics, Lead-Free Ceramic, Piezoelectric Properties |
| Abstract | Barium titanate (BaTiO3, 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 (Drel) over 95 %, high degree of orientation along [110] direction (F110) over 80 % and grain sizes around 30 µm were successfully prepared using only the template particles. The relationship between microstructures and piezoelectric constant (d33) was investigated. The higher F110 was, the higher Drel and the smaller grain size were required for enhancement of the piezoelectric properties. |
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