新型含刚玉3 - 0型复合材料的压电灵敏度与机电耦合

IF 1.3 4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER
P. A. Borzov, S. Filippov, V. Topolov, O. E. Brill, A. Panich
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引用次数: 3

摘要

研究了一种新型的3 - 0型铁电(pzt型)和刚玉陶瓷复合材料的压电响应特性和机电耦合因子的各向异性。刚玉陶瓷作为弹性刚度较大的构件。在0.05 < mc < 0.18时,刚玉mc和气孔mp的体积分数几乎相等,这在所研究的压电活性3 - 0型复合材料中没有相似之处。利用考虑复合材料微观几何特征以及3-0铁电陶瓷/刚玉区和3-0铁电陶瓷/空气区相互作用的模型,对压电系数、厚度机电耦合因子、平面机电耦合因子和各向异性(和)的实验结果进行了解释。所研究的3 - 0型复合材料可作为压电换能器、传感器和其他压电器件的有源元件。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Piezoelectric sensitivity and electromechanical coupling in a novel corundum-containing 3–0-type composite
Abstract A novel 3–0-type composite, that contains ferroelectric (PZT-type) and corundum ceramics, is studied to show features of the piezoelectric response and anisotropy of electromechanical coupling factors. The corundum ceramic is applied as a component with a large elastic stiffness. Almost equal volume fractions of corundum mc and air pores mp are detected at 0.05 < mc < 0.18, and this has no analogies among the studied piezo-active 3–0-type composites. Experimental results on the piezoelectric coefficients , thickness electromechanical coupling factor , planar electromechanical coupling factor , and anisotropy (and ) are interpreted in terms of a model that takes into account features of the composite microgeometry and an interaction between the 3–0 ferroelectric ceramic/corundum and 3–0 ferroelectric ceramic/air regions. The studied 3–0-type composite can be of interest as an active element of piezoelectric transducers, sensors, and other piezotechnical devices.
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来源期刊
Ferroelectrics Letters Section
Ferroelectrics Letters Section 物理-物理:凝聚态物理
CiteScore
1.10
自引率
0.00%
发文量
1
审稿时长
4.8 months
期刊介绍: Ferroelectrics Letters is a separately published section of the international journal Ferroelectrics. Both sections publish theoretical, experimental and applied papers on ferroelectrics and related materials, including ferroelastics, ferroelectric ferromagnetics, electrooptics, piezoelectrics, pyroelectrics, nonlinear dielectrics, polymers and liquid crystals. Ferroelectrics Letters permits the rapid publication of important, quality, short original papers on the theory, synthesis, properties and applications of ferroelectrics and related materials.
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