高性能铌镁酸铅-钛酸铅定向压电陶瓷的研究

无机材料学报

高性能铌镁酸铅-钛酸铅定向压电陶瓷的研究

王评初¹; 孙士文^1,2; 潘晓明¹; 朱丽慧²; 李东林¹; 温保松¹; 黄清伟¹; 殷之文¹

1. 中国科学院上海硅酸盐研究所高性能陶瓷和超微结构国家重点实验室, 上海 200050; 上海大学材料学院, 上海 200072

收稿日期:2003-09-28 修回日期:2003-11-12 出版日期:2004-09-20 网络出版日期:2004-09-20

High Performance Grain-oriented 0.7Pb(Mg_1/3Nb_2/3)O₃-0.3PbTiO₃ Piezoelectric Ceramics

WANG Ping-Chu¹; SUN Shi-Wen^1,2; PAN Xiao-Ming¹; ZHU Li-Hui²; LI Dong-Lin¹; WEN Bao-Song¹; HUANG Qing-Wei¹; YIN Zhi-Wen¹

1.State Key Laboratory of High Performance Ceramics and Superfine Microstructure; Shanghai Institute of Ceramics; Chinese Academy of Sciences; Shanghai 200050; China; 2.School of Materials Science and Engineering; Shanghai University; Shanghai 200072; China

Received:2003-09-28 Revised:2003-11-12 Published:2004-09-20 Online:2004-09-20

摘要/Abstract

摘要： 用定向凝固技术制备了择优方向为[112]的0.70Pb(Mg_1/3Nb_2/3)O₃-0.30PbTiO₃高性能定向压电陶瓷.该陶瓷[112]方向的取向度约为35％,准静态压电常数d₃₃约为1500-1600pC/N,耦合系数k_t～0.51,k₃₃～0.82,22kV/cm时的场致应变约为0.23％.

关键词: 定向陶瓷, PMN-PT, 介电和压电性能

Abstract: High performance grain-oriented 0.7Pb(Mg_1/3Nb_2/3)O₃-0.3PbTiO₃ ceramics were prepared by the directional solidification method, of which the preferential orientation is [112], and the orientation degree is about 35%, the quasistatic d₃₃ is about 1500-1600pC/N, coupling factors k_t is 0.51 and k₃₃ is 0.82, and the strain is 0.23% under 22kV/cm electric field.

Key words: grain-oriented ceramics, Pb（Mg_1/3Nb_2/3）O₃-PbTiO₃, dielectric, piezoelectric

中图分类号:

O738

王评初,孙士文,潘晓明,朱丽慧,李东林,温保松,黄清伟,殷之文. 高性能铌镁酸铅-钛酸铅定向压电陶瓷的研究[J]. 无机材料学报.

WANG Ping-Chu,SUN Shi-Wen,PAN Xiao-Ming,ZHU Li-Hui,LI Dong-Lin,WEN Bao-Song,HUANG Qing-Wei,YIN Zhi-Wen. High Performance Grain-oriented 0.7Pb(Mg_1/3Nb_2/3)O₃-0.3PbTiO₃ Piezoelectric Ceramics[J]. Journal of Inorganic Materials.

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