PIEZOELECTRIC PROPERTIES OF PB(ZN1/3NB2/3)O3-KNBO3-PZT SOLID-SOLUTION

被引：3
|
作者：
TAKENAKA, T
SATOU, M
NAKATA, K
SAKATA, K
机构：
[1] Faculty of Science and Technology, Science University of Tokyo, Noda, Chiba-ken
来源：
FERROELECTRICS | 1992年 / 128卷 / 1-4期
关键词：
D O I：
10.1080/00150199208015068
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Perovskite-structured lead zinc niobate, Pb(Zn1/3Nb2/3)O3 (PZN) ceramics can be stabilized by substituting for 10 mol % KNbO3 (KN). Piezoelectric properties of the pseudo-ternary PZT ceramics including 0.9PZN-0.1KN, namely, a.{0.9Pb(Zn1/3Nb2/3)O3-0.1KNbO3} -b.PbZrO3 -c.PbTiO3 (PKNZT [100a/100b/100c]) are studied from a viewpoint of piezoelectric actuator materials. For example, PKNZT [45/28/27] has a high electromechanical coupling factor, k33 =70.1 %, a free permittivity, epsilon33T/epsilon0=1890 and a high piezoelectric constant, d33 =377 x10(-12) C/N. PKNZT ceramics are favorable to piezoelectric actuator materials.
引用
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页码：67 / 72
页数：6
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