The analysis of the effect of homogeneous mechanical stress on the acoustic wave propagation in the "La3Ga5SiO14/fused silica" piezoelectric layered structure

被引:11
|
作者
Burkov, S. I. [1 ]
Zolotova, O. P. [2 ]
Sorokin, B. P. [3 ,4 ]
Turchin, P. P. [1 ]
机构
[1] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[2] Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
[3] Technol Inst Superhard & Novel Carbon Mat, Troitsk 142190, Russia
[4] Moscow Inst Phys & Technol, Moscow 141700, Russia
关键词
Piezoelectric layered structure; Rayleigh wave; Love wave; Initial stress influence; INDUCED FREQUENCY-SHIFTS; EXTERNAL ELECTRIC-FIELD; TONPILZ TRANSDUCER; LOVE WAVES; LAMB WAVE; LANGASITE; MODE; REFLECTION; REFRACTION; CONSTANTS;
D O I
10.1016/j.ultras.2014.07.007
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
The results of computer simulation taking into account the linear and nonlinear material constants have been presented. Study of the influence of external uniaxial mechanical stress on the dispersive characteristics of elastic waves in piezoelectric structures as "La3Ga5SiO14/fused silica" has been executed. The comparison of elastic wave velocity changes under the influence of an uniaxial stress while a full set of nonlinear material constants of crystalline layer + geometric nonlinearity, or only geometric nonlinearity of the layer induced by the static deformation of a substrate, has been fulfilled. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码:104 / 112
页数:9
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