Effect of loading a plate with different liquids on the propagation of lamb-like waves studied by laser ultrasonics

Xiaodong Xu; Goossens J.; Shkerdin G.; Glorieux C.

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Effect of loading a plate with different liquids on the propagation of lamb-like waves studied by laser ultrasonics

机译：激光超声研究的不同液体加载板对兰姆波传播的影响

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Three experimental laser ultrasonic configurations-line excitation with scanning detection, grating excitation with single point detection, and grating excitation with scanning probe beam- are shown to consistently reveal the modified propagation properties of Lamb waves on a polyethylene terephthalate (PET) film that is in contact with different liquids on its two sides. Theoretical predictions concerning the physical nature of different wave modes in symmetric and asymmetric film loading configurations (i.e., their existence, velocity, damping, and polarization) are confirmed by the experimental results.

机译：三种实验激光超声配置-具有扫描检测的线激发，具有单点检测的光栅激发和具有扫描探针束的光栅激发-被显示出一致地揭示了Lamb波在聚对苯二甲酸乙二醇酯（PET）膜上的修正传播特性在其两侧接触不同的液体。实验结果证实了关于在对称和非对称膜加载配置中不同波模式的物理性质（即它们的存在，速度，阻尼和极化）的理论预测。

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《IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control》 |2008年第3期|p.675-685|共11页
作者
Xiaodong Xu; Goossens J.; Shkerdin G.; Glorieux C.;
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正文语种 eng
中图分类声学工程;计量学;
关键词
acoustic wave propagation; polymer films; surface acoustic waves; Lamb-like wave propagation; laser ultrasonics; polyethylene terephthalate film; wave modes;

机译：声波传播;聚合物薄膜;表面声波;兰姆波传播;激光超声;聚对苯二甲酸乙二酯薄膜;波模;

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Effect of loading a plate with different liquids on the propagation of lamb-like waves studied by laser ultrasonics

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