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EXISTENCE AND CHARACTERISTIC RELATION OF WAVE SPEED TO SURFACE ACOUSTIC WAVES ON A ROTATING PIEZOELECTRIC HALF-BODY
Author(s): 
Pages: 707-716
Year: Issue:  6
Journal: Acta Mechanica Sinica

Keyword:  半无限压电陶瓷体 匀速转动 表面声波 存在性及条件 波速特征关系;
Abstract: 对转动半无限压电陶瓷体的表面声波给出了存在性证明及其条件.结果发现:对应于不转动时的 Rayleigh表面声波与 Bleustein-Gulyaev表面声波在转动情形是否仍为表面波有赖于压电体的材料参数;如果转动时表面声波存在,则这些表面声波是色散的.最后,以PZT-5H压电陶瓷材料为例定量给出了波速-转动角速度的特征曲线.
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