Application of Ag-ceramic composite electrodes to low firing piezoelectric multilayer ceramic actuators

被引：25

作者：

Choi, Mun-Seok ^{[1
]}

Kim, Sung-Hoon ^{[1
]}

Kim, Young-Hyeok ^{[1
]}

Kim, Ill Won ^{[2
]}

Jeong, Soon-Jong ^{[3
]}

Song, Jae-Sung ^{[3
]}

Lee, Jae-Shin ^{[1
]}

机构：

[1] Univ Ulsan, Sch Mat Sci & Engn, Ulsan 680749, South Korea

[2] Univ Ulsan, Dept Phys, Ulsan 680749, South Korea

[3] KERI, Elect & Magnet Devices Grp, Chang Won, South Korea

来源：

JOURNAL OF ELECTROCERAMICS | 2008年 / 20卷 / 3-4期

关键词：

piezoelectric ceramics; multilayer actuator; internal electrode; low firing;

D O I：

10.1007/s10832-007-9181-8

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Ag-ceramic composite materials were investigated as low-cost internal electrodes for low firing piezoelectric multilayer ceramic actuators (MLCA). Ag-ceramic pastes were prepared by adding Pb(Mg1/3Nb2/3)O-3-Pb(Zr-0.475,Ti-0.525)O-3 (PMNZT) ceramic powders to a commercial Ag paste in the range of 0 to 50 wt.%. PMNZT/Ag-PMNZT multilayered laminates were fabricated using tape casting and subsequently cofired at 925 degrees C for 10 h. The addition of PMNZT into Ag electrode decreased the thermal shrinkage mismatch between the composite layers, which led to improve mass producibility of MLCA through reducing delamination probability during cofiring process.

引用

页码：225 / 229

页数：5

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