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
收藏
页码：288 / 298
页数：11
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