Amplification of acoustic waves in laminated piezoelectric semiconductor plates

被引：6

作者：

Yang, JS ^{[1
]}

Yang, XM ^{[1
]}

Turner, JA ^{[1
]}

机构：

[1] Univ Nebraska, Dept Engn Mech, Lincoln, NE 68588 USA

来源：

ARCHIVE OF APPLIED MECHANICS | 2004年 / 74卷 / 3-4期

关键词：

piezoelectricity; semiconductor; plate; composite;

D O I：

10.1007/S00419-004-0350-9

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Two-dimensional equations for coupled extensional, flexural and thickness-shear motions of laminated plates of piezoelectric semiconductors are obtained systematically from the three-dimensional equations by retaining lower order terms in power series expansions in the plate thickness coordinate. The equations are used to analyze extensional waves in a composite plate of piezoelectric ceramics and semiconductors. Dispersion and dissipation due to semiconduction as well as wave amplification by a do electric field are discussed.

引用

页码：288 / 298

页数：11

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