Pb(Mn1/3Sb2/3)0.05Zr0.47Ti0.48O3压电陶瓷的温度稳定性研究

doi:10.3724/SP.J.1077.2012.00271

无机材料学报 ›› 2012, Vol. 27 ›› Issue (3): 271-276.DOI: 10.3724/SP.J.1077.2012.00271 CSTR: 32189.14.SP.J.1077.2012.00271

Pb(Mn_1/3Sb_2/3)_0.05Zr_0.47Ti_0.48O₃压电陶瓷的温度稳定性研究

陆翠敏¹, 刘庆锁¹, 左建波¹, 孙清池²

(1. 天津理工大学材料科学与工程学院, 天津300384; 2. 天津大学材料科学与工程学院, 天津300072)

收稿日期:2011-02-25 修回日期:2011-04-01 出版日期:2012-03-20 网络出版日期:2012-02-16
基金资助:
天津市自然科学基金(09JCZDJC23000)

Temperature Stability of the Pb(Mn_1/3Sb_2/3)_0.05Zr_0.47Ti_0.48O₃ Piezoelectric Ceramics

LU Cui-Min¹, LIU Qing-Suo¹, ZUO Jian-Bo¹, SUN Qing-Chi²

(1. College of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China; 2. College of Materials Science and Engineering, Tianjin University, Tianjin 300072, China)

Received:2011-02-25 Revised:2011-04-01 Published:2012-03-20 Online:2012-02-16
Supported by:
Natural Science Foundation of Tianjing (09JCZDJC23000)

摘要/Abstract

摘要： 探讨了硬性添加物MnO₂、软性添加物Nb₂O₅和两性添加物Cr₂O₃对锑锰锆钛酸铅Pb(Mn_1/3Sb_2/3)_0.05Zr_0.47Ti_0.48O₃(简称PMSZT5)压电陶瓷的相组成及温度稳定性的影响. 研究结果发现: 各掺杂组成在900℃的煅烧温度下, 都可以得到钙钛矿结构. 随着各掺杂离子的增大, 四方相含量减少, 准同型相界向三方相移动. 综合考虑离子掺杂对PMSZT5压电陶瓷的机电性能及温度稳定性的研究结果表明: 锰过量较其它铌和铬掺杂的温度稳定性更好, 机电性能最佳的PMSZT5+0.1wt% MnO₂的组成, ε₃₃^T/ε₀=1560, d₃₃=350pC/N, K_p=0.63, -25~80℃的f_r、K₃₁和d₃₁平均温度系数分别为72×10^-6/℃、-0.027%/℃和0.100%/℃.

关键词: PMSZT压电陶瓷, 掺杂, 相组成, 温度稳定性

Abstract: The Effects of ragid additive of MnO₂, soft additive of, Nb₂O₅and double additive of Cr₂O₃on the crystallographic phase and temperature stability of Pb(Mn_1/3Sb_2/3)_0.05Zr_0.47Ti_0.48O₃(PMSZT5) piezoelectric ceramic were studied. The results show that the pure perovskitic structure is obtained after calcined at 900℃. With these additives increasing, the amount of tetroganal phases decrease, and the morphotropic phase boundary(MPB) is correspondingly shift to the rhombohedral phase. Considering the effects of ion doping on the electric properties and temperature stability comprehensively, the PMSZT5 ceramic doped with MnO₂ has more excellent temperature stability than that doped with Nb₂O₅ and Cr₂O₃. A well-situated property of relative dielectric constant ε₃₃^T/ε₀ (1560), piezoelectric constant d₃₃ (350 pC/ N) and planar coupling factor K_p (0.63) are obtained for the composition of PMSZT5+ 0.1wt% MnO₂. Accordingly, the average temperature coefficients of f_r, K₃₁ and d₃₁, the PMSZT ceramics are 72×10^-6/℃, -0.027%/℃, 0.100%/℃ at the temperature range of -25℃ to 80℃.

Key words: PMSZT piezoelectric ceramic, doping, crystallographic phase, temperature stability

中图分类号:

TM282

陆翠敏, 刘庆锁, 左建波, 孙清池. Pb(Mn_1/3Sb_2/3)_0.05Zr_0.47Ti_0.48O₃压电陶瓷的温度稳定性研究[J]. 无机材料学报, 2012, 27(3): 271-276.

LU Cui-Min, LIU Qing-Suo, ZUO Jian-Bo, SUN Qing-Chi. Temperature Stability of the Pb(Mn_1/3Sb_2/3)_0.05Zr_0.47Ti_0.48O₃ Piezoelectric Ceramics[J]. Journal of Inorganic Materials, 2012, 27(3): 271-276.

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Pb(Mn_1/3Sb_2/3)_0.05Zr_0.47Ti_0.48O₃压电陶瓷的温度稳定性研究

Temperature Stability of the Pb(Mn_1/3Sb_2/3)_0.05Zr_0.47Ti_0.48O₃ Piezoelectric Ceramics

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