Electromechanical Properties and Electric Field Induced Strain of BNT-BT Piezoceramic Material at the MPB Region

被引：10

作者：

Chaterjee, S. ^{[1
]}

Agrawal, G. ^{[1
]}

Mishra, A. ^{[2
]}

Anwar, S. ^{[3
]}

机构：

[1] CV Raman Coll Engn, Dept Mech Engn, Bhubaneswar 752054, India

[2] Indian Inst Sci, Dept Mat Engn, Bangalore 560012, Karnataka, India

[3] Inst Minerals & Mat Technol, Colloids & Mat Chem, Bhubaneswar 751013, Orissa, India

来源：

MATERIALS TODAY-PROCEEDINGS | 2018年 / 5卷 / 11期

关键词：

Morphotropic phase boundary; Resonance method; Electromechanical coupling; Elastic stiffness; Electromechanical strain; PIEZOELECTRIC PROPERTIES; SOL-GEL; CERAMICS; ACTUATOR;

D O I：

10.1016/j.matpr.2018.10.287

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Characterization of the electromechanical properties of (1-x)(Bi0.5Na0.5)TiO3-xBaTiO(3) was attempted over a range of composition near the morphotropic phase boundary (MPB) region. A complete set of electromechanical properties were determined using the results of impedance resonance spectroscopy carried out for the thickness-extension and length-extension modes of the piezoceramic resonators. Room temperature properties depicted a strong compositional dependence while the coupling and piezoelectric properties reaching maxima at x = 0.07 for both the resonance modes. Strain-field hysteresis loops traced at room temperature for the composition x = 0.07 under moderate electric fields revealed high values of recoverable strain and inverse piezoelectric coefficient. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：24880 / 24886

页数：7

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