Interaction of the A0 lamb wave mode with a de-lamination type defect in GLARE3-3/2 composite material
Interaction of the A0 lamb wave mode with a de-lamination type defect in GLARE3-3/2 composite material
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A0 兰姆波模式与 GLARE3-3/2 复合材料中分层型缺陷的相互作用
DOI：
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发表时间：
2006
期刊：
影响因子：
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通讯作者：
A. Voleisis
中科院分区：
文献类型：
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作者：
A. Demčenko;E. Žukauskas;R. Kazys;A. Voleisis
超声波无损检测和评估是复合材料检测最常用的方法之一。测量的波速提供有关复合材料特性的信息。超声波速度或超声波信号振幅的变化表明可能存在缺陷。本文介绍了单侧空气耦合超声技术在复合材料中兰姆波传播研究中的应用，以及兰姆波与分层型缺陷相互作用的数值模拟。详细分析了波浪与损伤之间的相互作用。在复合材料 GLARE3-3/2 的分层区域测量兰姆波速的变化。通过实验和数值研究了分层对兰姆波传播速度的影响。
Ultrasonic non-destructive testing and evaluation is one of the most common methods applied for inspection of composite materials. The measured wave velocity gives information about composite properties. Changes in the ultrasonic wave velocity or in the amplitude of the ultrasonic signal indicate possible defects. The application of a single-side access air-coupled ultrasonic technique for the investigation of the Lamb wave propagation in the composite material, and numerical simulations of the Lamb wave interaction with the de-lamination type defect, are presented here. The interaction between wave and damage is analysed in detail. The change of the Lamb wave velocity was measured in a de-laminated area of the composite material GLARE3-3/2. The influence of the de-lamination on the Lamb wave propagation velocity is investigated experimentally and numerically.