摘要
本文采用熔盐法制备了PMS-PZT压电陶瓷超细粉体,研究粉体粒度对PMS-PZT烧结特性和强场性能的影响.TEM结果表明,随着熔盐与粉体摩尔比逐渐增加,粉体粒度逐渐减小,当摩尔比超过5∶1,粒径大小几乎不变.当摩尔比为5∶1时,750℃预烧,可以获得分散性好粒径在0.2~0.3μm的超细粉体.摩尔配比为1∶1的粉体在1200℃条件下烧结制备的PMS-PZT压电陶瓷,可以获得最佳的综合性能：εr可达1 518,tanδ=0.515%（1 V/mm）,tanδ=2.62%（300 V/mm）,机电耦合系数kp可达0.65,压电常数d_（33）达到373 pC/N,机械品质因素Qm达到1 037.
Ultrafine powders of PMS-PZT piezoelectric ceramics were prepared by molten salt method,and the effect of powder size on the sintering characteristics and strong field properties of PMS-PZT were studied. TEM results show that with the increase of the molar ratio of molten salt and powder,the particle size of the powder is gradually reduced,and when the molar ratio exceeds 5∶ 1,the particle size remains almost unchanged. With the molar ratio of 5∶ 1 and the calcine temperature of 750 ℃,the ultrafine powder with good dispersion and fine particle size can be obtained. When the molar ratio for PMS-PZT 1∶ 1 powder is used to prepare the piezoelectric ceramics under 1 200 ℃,which can provide the best comprehensive performance as follows： εr= 1 518,tanδ = 0. 515%（ 1V / mm）,tanδ =2. 62%（ 300 V）,K_P= 0. 65,d_（33）= 373 p C / N,and Q_m= 1 037.
作者
吴秋晨
周静怡
金善龙
周汪磊
范桂芬
王晓川
WU Qiu-chen ZHOU Jin-yi JIN Shan-long ZHOU Wang-lei FAN Gui-fen WANG Xiao-chuan(School of optical and electronic information, Key Lab of Functional Materials For Electronic Information, MOE, Huazhong University of Science and Technology, Wuhan 430074, China Affiliated High School of Huazhong University of Science and Technology, Wuhan 430074, China)
出处
《内蒙古科技大学学报》
CAS
2016年第4期365-369,共5页
Journal of Inner Mongolia University of Science and Technology
基金
中央高校基本科研业务费资助项目(HUST:2016JCTD114)
关键词
压电陶瓷
强场性能
熔盐法
PMS-PZT
Piezoelectric ceramics
strong field properties
molten salt method
PMS-PZT
