摘要
采用传统固相法制备了化学计量比为0.3Pb(Zn1/3Nb2/3)O3-0.35PbTiO3-0.35PbZrO3的压电陶瓷,研究了所制陶瓷的预合成温度对其微观结构和压电介电性能的影响。结果显示,当预合成温度大于800℃时可以获得纯钙钛矿相,低于800℃钙钛矿主晶相不明显且有很多杂相产生。当预烧温度为775℃时,经1 125℃保温3 h烧结的陶瓷具有最佳综合性能:d33=431 pC/N、k31=0.36、Ec=9.98×103 V/mm、Pr=22.52×10–6 C/cm2、εr=1 874、tanδ=0.024、ρ=7.88 g/cm3。
The 0.3Pb（Zn1/3Nb2/3）O3-0.35PbTiO3-0.35PbZrO3 piezoelectric ceramics were prepared by conventional solidstate reaction method. The effects of calcining temperatures on microstructure, piezoelectric and dielectric properties of prepared ceramics were investigated. The results show that the lowest synthesized temperature is 800 ℃, below which the samples contain impurity phases. Moreover, when calcined at 775 ℃ and sintered at 1 125 ℃, the samples show the best comprehensive properties： d33=431 pC/N, κ31=0.36, Ec=9.98 × 10^3 V/mm, Pr =22.52× 10^-6 C/cm^2, εr=1 874, tanσ=0.024, ρ=7.88 g/cm^3, respectively.
出处
《电子元件与材料》
CAS
CSCD
北大核心
2012年第10期1-4,共4页
Electronic Components And Materials
基金
中央高校基本科研业务基金资助项目(No.2010MS006)
高等学校博士学科点专项科研基金资助项目(No.20100142120091)
