Relationship between Vibration Direction and High-Power Characteristics of <001>-Textured SrBi2Nb2O9 Ceramics
Relationship between Vibration Direction and High-Power Characteristics of <001>-Textured SrBi2Nb2O9 Ceramics
复制标题
<001>织构SrBi2Nb2O9陶瓷振动方向与高功率特性的关系
DOI：
10.1143/jjap.46.7079
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发表时间：
2007
影响因子：
1.5
通讯作者：
Y. Higuchi
中科院分区：
文献类型：
--
作者：
S. Kawada;H. Ogawa;M. Kimura;K. Shiratsuyu;Y. Higuchi
研究了取向方向与振动方向夹角对<001>定向织构SrBi_2Nb_2O_9（SBN）陶瓷纵模（33模）高功率特性的影响。由95%织构化的SBN陶瓷制成了长边与取向方向成90 °和45°角的试样<001>。他们的高功率特性进行了比较与随机取向的标本。在90°角的情况下，在高振动速度驱动期间，谐振频率几乎是恒定的。另一方面，与45°角的样品的共振频率随着振动速度的增加而降低，随机取向的SBN样品也是如此。因此，可以认为高织构陶瓷优异的大功率特性取决于高织构陶瓷的振动方向<001>。振动方向和取向方向之间的夹角<001>是织构化SBN陶瓷优异的高功率特性的重要因素。
The effect of the angle between the vibration direction and the oriented direction on high-power characteristics was investigated for <001>-textured SrBi2Nb2O9 (SBN) ceramics in the longitudinal mode (33 mode). Specimens with their long side formed at angles of 90 and 45° to the <001>-oriented direction were fabricated from a 95%-textured SBN ceramic. Their high-power characteristics were compared with those of a randomly oriented specimen. In the case of the specimen with a 90° angle, the resonant frequency was almost constant during high-vibration-velocity driving. On the other hand, the resonant frequency of the specimen with a 45° angle decreased with increasing vibration velocity as did that of the randomly oriented SBN specimen. Therefore, it is considered that the excellent high-power characteristics of highly textured ceramics depend on the vibration direction for the <001>-textured ceramics. The angle between the vibration direction and the <001>-oriented direction is important in the excellent high-power characteristics of textured SBN ceramics.