Abstract:
<正>为了实现对薄板结构的损伤定位和评估,在长1000mm、宽800mm、厚1mm的铝板上分别黏贴2片直径10mm、厚0.4mm的压电陶瓷片用于Lamb波模态的激励和接收,两压电片相距300mm。激励频率分别为200kHz、250kHz、300kHz、350kHz和400kHz,在这些频率下,压电陶瓷片主要激励的Lamb波为s_0模态。在压电片的连线和延长线位置上,采用强磁铁吸附
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Year: 2009
Language: Chinese
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