NiO掺杂对PMS-PZ-PT三元系陶瓷微结构和电性能的影响  

Research on Microstructure and Piezoelectric Properties of PMS-PZ-PT Ceramics Doped with NiO

作　　者：龙纪文[1] 陈海龑 周飞[1] 孟中岩[1] 

机构地区：[1]上海大学材料科学与工程学院,上海201800

出　　处：《无机材料学报》2004年第2期319-323,共5页Journal of Inorganic Materials

基　　金：国家自然科学基金(59782009);上海自然科学基金(00JC14055)

摘　　要：探讨了NiO掺杂量对PMS-PZ-PT三元系陶瓷的微观结构和电性能的影响.实验结果表明:随着掺杂量的增加,物相组成由四方相向三方相转变;NiO在PMS-PZ-PT材料中的固溶度比较小;当掺杂量为0.02wt％时,εr,d33,Qm等都有所提高,从而能获得好的压电性能,能满足超声马达实际使用的要求.The microstructure and piezoelectric properties of Pb0.98Sr0.02(Mn-1/3 Sb-2/3)(x)-(Zr0.5Ti0.5)(1-x)O-3 ceramics were investigated systematically as a function of NiO-doping contents. Results show that, phases shift from tetragonal to rhombohedral phase with the increase of doping amounts, the solubility of NiO in PMS-PZ-PT ceramics is very small, and the composition with doping amount of 0.02wt% has superior piezoelectric properties. The modified compositions are practically suitable for ultrasonic motor (USM) applications.

关 键 词：PMS-PZ-PT三元系陶瓷 NiO掺杂 微观结构 压电性能 超声马达 相变 固溶度 压电陶瓷 

分 类 号：TM282[一般工业技术—材料科学与工程] TQ174.75[电气工程—电工理论与新技术]