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Abstract:
研究了带有粘弹性包覆层管道中超声导波扭转模态的频散及其衰减特性.分析了T(0,1)模态在不同频带中的传播特性.并通过厚度切变压电陶瓷传感器在覆着环氧树脂的钢管中激励出T(0,1)模态.在40-210kHz频率范围内,T(0,1)模态的群速度和衰减与理论预测相吻合.结果表明,对于带有粘弹性包覆层的管道,其衰减频散曲线可用作模态选取的理论指导,用于对管道的缺陷检测.
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应用基础与工程科学学报
ISSN: 1005-0930
Year: 2005
Issue: 3
Volume: 13
Page: 291-299
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 54
Chinese Cited Count:
30 Days PV: 13
Affiliated Colleges: