Processing and properties of PMMN-PZT quaternary piezoelectric ceramics for ultrasonic motors

被引：46
|
作者：
Chen, HY
Guo, XB
Meng, ZY [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Inst Composite Mat, Shanghai 200030, Peoples R China
[2] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 201800, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2002年 / 75卷 / 1-3期
关键词：
PMMN-PZT quaternary system; piezoelectric ceramics; mechanical quality factor; ultrasonic motors;
D O I：
10.1016/S0254-0584(02)00056-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Piezoelectric Pb(Mg(1/)3Nb(1/3))O-3-Pb(Mn1/3Nb2/3)O-3-PbZrO3-PbTiO3 (PMMN-PZT) quaternary ceramics with various contents of Pb(Mn1/3Nb2/3)O-3 from 4 to 8 mol% were prepared. The conventional single-stage and columbite two-stage methods were compared. Columbites MgNb2O6 and MnNb2O6, and the phase structure of PMMN-PZT were examined using X-ray diffraction (XRD). The surface morphology was examined by SEM. Study on the effect of Pb(Mn1/3Nb2/3)O-3 additives on dielectric and piezoelectric properties indicated that the PMMN-PZT quaternary system exhibited a high mechanical quality factor and well-situated piezoelectric properties. The optimized results, of d(33) (307 pC/N), K-p (0.55) and Q(m) (2379) were obtained at 6 mol% Pb(Mn1/3Nb2/3)O-3. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：202 / 206
页数：5
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