Piezoelectric Properties of Modified (K0.5Na0.5)NbO3-BaTiO3 Ceramics with the Mixture Sintering Aids of 0.6B2O3-0.4CuO

被引：0

作者：

Adachi, Masatoshi ^{[1
]}

Yan, Kang ^{[1
]}

Matsumoto, Kohei ^{[1
]}

Karaki, Tomoaki ^{[1
]}

机构：

[1] Toyama Prefectural Univ, Dept Intelligent Syst Design Engn, Fac Engn, Imizu, Toyama 9390398, Japan

来源：

2010 IEEE INTERNATIONAL SYMPOSIUM ON THE APPLICATIONS OF FERROELECTRICS (ISAF) | 2010年

关键词：

component; KNN-BT; Sintering Aid; lead-free; CuO-B2O3; CUO; MICROSTRUCTURE; TEMPERATURE;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A combined sintering aid mixture of B2O3 and CuO for lead-free piezoelectric ceramics 0.95K(0.5)Na(0.5)NbO(3)-0.05BaTiO(3) (KNN-BT) is introduced. The effects of the mixture sintering aids of 0.6B(2)O(3)-0.4CuO on the sintering behavior, microstructure, and electrical properties for KNN-BT are investigated. Adding 2wt% of sintering aids can effectively broaden the narrow range of sintering temperature from 20 degrees C to above 50 degrees C and enlarge the grain of samples as well as hold the high density of sample sintered at low temperature. The increase of gain size contributed to the improvement in electrical properties. High piezoelectric properties with d(33) = 205pC/N, k(p) = 38.0%, epsilon(33) (T)/epsilon(0) = 1254, and tan delta = 0.026 are obtained for sample of KNN-BT-ywt%(B2O3-CuO) with y = 2 sintered at 1120 degrees C.

引用

页数：4

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