烧结温度对NBTBT无铅压电陶瓷结构与电性能的影响  

Effect of Sintering Temperature on Structure and Electric Properties of NBTBT Lead-free Piezoelectric Ceramics

作　　者：姚永红[1,2] 王建武[1] 

机构地区：[1]陕西工业职业技术学院材料工程系,陕西咸阳712000 [2]西北工业大学材料学院,陕西西安710072

出　　处：《咸阳师范学院学报》2010年第4期42-45,共4页Journal of Xianyang Normal University

基　　金：航空科学基金项目(03G53036)

摘　　要：采用传统方法制备了0.94Bi0.5Na0.5TiO3-0.06BaTiO3无铅压电陶瓷,研究了烧结温度对其结构和电性能的影响规律。结果表明:0.94Bi0.5Na0.5TiO3-0.06 BaTiO3陶瓷能够形成纯的钙钛矿型固溶体,其最佳烧结温度为1 180℃,其电性能为:d33=146pC/N;kp=22%;ε=1 357.3;tanδ=4.6%。Lead-free piezoelectric ceramics of 0.94Bi0.5Na0.5TiO3-0.06BaTiO3 were fabricated by conventional ceramic preparation technique.The relation of sintering temperature with structure and electric properties were researched.The results show that the ceramics studied can form pure per-ovskite structure.The piezoelectric properties are abstained at 1 180℃,where the piezoelectric con-stant(d33) is 146pC/N,electromechanical coupling coefficients(kp) is 22%,dielectric constant(ε) is 1357.3 and dielectric loss(tanδ)...

关 键 词：无铅压电陶瓷 烧结 压电性能 

分 类 号：TM282[一般工业技术—材料科学与工程]