有限元分析了KNbO/sub - 3/在不同晶向下的压电性能

Proceedings of the 13th IEEE International Symposium on Applications of Ferroelectrics, 2002. ISAF 2002. Pub Date : 2002-05-28 DOI:10.1109/ISAF.2002.1195882

T. Yamamoto, H. Okino, E. Matsuzaki, Y. Yamashita

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引用次数: 0

摘要

通过有限元分析，计算了KNbO/sub - 3/单晶不同取向下机电耦合因子对切角的依赖关系。将所得结果与压电方程直接计算结果进行了比较，并与实验结果进行了讨论。沿Y轴(XYt)40.5/spl deg/，在/spl theta/ = 40.5/spl deg/处，条内k11为0.76。在薄板上，kt为0.72 at /spl theta/ =50/spl deg/绕Y轴(XYI)50/spl deg/。

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Piezoelectric properties of KNbO/sub 3/ in various crystal orientations by finite element analysis

Cut angles dependence of electromechanical coupling factors in various orientations of KNbO/sub 3/ single crystal were calculated by finite element analysis. These results were compared with direct calculations using piezoelectric equation and discussed with experimental results. The k11 in a bar was 0.76 at the /spl theta/ = 40.5/spl deg/ around Y axis (XYt)40.5/spl deg/. In a thin plate, kt was 0.72 at /spl theta/ =50/spl deg/ around Y axis (XYI)50/spl deg/.

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Proceedings of the 13th IEEE International Symposium on Applications of Ferroelectrics, 2002. ISAF 2002.

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