无铅压电陶瓷的研究现状  

Research Status of the Lead-free Piezoelectric Ceramics

作　　者：石伟丽[1,2] 邢志国[2] 王海斗[2] 李国禄[1] 张建军[1] 

机构地区：[1]河北工业大学材料科学与工程学院,天津300130 [2]装甲兵工程学院装备再制造技术国防科技重点实验室,北京100072

出　　处：《材料导报》2014年第3期45-50,共6页Materials Reports

基　　金：国家自然科学基金(51275526);国家973计划(2011CB013405);国家杰出青年科学基金(51125023);北京市自然科学基金重大项目(3120001)

摘　　要：简要介绍了无铅压电陶瓷的研究进展,重点介绍了BaTiO3(BT)基、钛酸铋钠(BNT)基和铋层状无铅压电陶瓷的性能。分析了掺杂改性对BNT基和铋层状无铅压电陶瓷压电性能的影响,详细对比了无铅压电陶瓷的制备方法,为改进工艺提高压电性能提供了理论支持。展望了BT基压电材料在热喷涂领域的应用前景,并分析了亟待解决的问题。The research development of lead-free piezoelectric ceramics is briefly introduced, and the performance of BY, BNT and bismuth layered lead-free piezoelectric ceramics are mainly introduced, and the effects of different modification methods on piezoelectric performance of the BNT and bismuth layered lead-flee piezoelectric ceramic are analyzed. The preparation methods are constrasted in detail, which will provides theoretical supports to improve the piezoelectric properties. And the application of BT piezoelectric materials in the field of thermal spraying is prospected and problems to be solved are analyzed.

关 键 词：无铅压电陶瓷 压电性能 掺杂改性 制备 

分 类 号：TG113[金属学及工艺—物理冶金]