Composite piezoelectric ceramicsin the PZT-SrBi2Ta2O9 system

被引：0
|
作者：
X. M CHEN
J. S YANG
机构：
[1] Zhejiang University,Department of Materials Science and Engineering
来源：
Journal of Materials Science: Materials in Electronics | 1997年 / 8卷
关键词：
Dielectric Constant; Fracture Toughness; Dielectric Property; Piezoelectric Property; Composite Ceramic;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Composite piezoelectric ceramics with high mechanical performance were proposed and investigated in the PZT-SrBi2Ta2O9 system. Significantly enhanced fracture toughness, reaching 2.1 MPa m1/2, was achieved in these composite piezoelectric ceramics together with some interesting variations in electric characteristics, especially a dramatic increase in the dielectric constant at around 3 mol % SrBi2Ta2O9.
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页码：147 / 150
页数：3
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