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http://dx.doi.org/10.4313/JKEM.2008.21.2.126

Dielectric and Piezoelectric Characteristics of Low Temperature Sintering 0.20Pb(Zn1/3Nb2/3)O3-0.80Pb(Zr0.48Ti0.52)O3 Ceramics with the Addition of Sintering Aid ZnO  

Yoo, Ju-Hyun (세명대학교 전기공학과)
Lee, Yu-Hyong (세명대학교 전기공학과)
Kim, Do-Hyung (세명대학교 전기공학과)
Lee, Il-Ha (세명대학교 전기공학과)
Kwon, Jun-Sik (세명대학교 전기공학과)
Paik, Dong-Soo (고려대학교 재료공학과)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.21, no.2, 2008 , pp. 126-130 More about this Journal
Abstract
In this study, in order to develop low loss multilayer piezoelectric actuator, PZN-PZT ceramics were fabricated using $Li_2CO_3,\;Bi_2O_3$, CuO and ZnO as sintering aids, their structural, piezoelectric and dielectric characteristics were investigated according to the amount of ZnO addition, At the sintering temperature of $870^{\circ}C$, the density, electromechanical coupling factor(kp), mechanical quality factor(Qm), dielectric constant(${\epsilon}_r$) and piezoelectric constant($d_{33}$) of 0.4 wt% ZnO added specimen (sintered at $870^{\circ}C$) showed the optimum value of $7.812g/cm^3$, 0.535, 916, 1399, 335 pC/N respectively. Taking into consideration above piezoelectric properties of the specimen sintered at low temperature, it was concluded that PZN-PZT ceramics using 0.4 wt% ZnO as additive showed the optimum characteristics as the composition ceramics for low loss multilayer piezoelectric actuator application.
Keywords
ZnO addition; Multilayer piezoelectric actuator; Low temperature sintering; Sintering aids; Electromechanical coupling factor($k_p$); Mechanical quality factor($Q_m$);
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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