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声-超声检测技术

常新龙, 尼涛, 艾春安

常新龙, 尼涛, 艾春安. 声-超声检测技术[J]. 无损检测, 2009, 31(5): 381-385.
引用本文: 常新龙, 尼涛, 艾春安. 声-超声检测技术[J]. 无损检测, 2009, 31(5): 381-385.
CHANG Xin-Long, NI Tao, AI Chun-An. Acousto-Ultrasonic Testing Techniques[J]. Nondestructive Testing, 2009, 31(5): 381-385.
Citation: CHANG Xin-Long, NI Tao, AI Chun-An. Acousto-Ultrasonic Testing Techniques[J]. Nondestructive Testing, 2009, 31(5): 381-385.

声-超声检测技术

详细信息
    作者简介:

    常新龙(1965- ),男,教授,博士生导师,研究方向为火箭发动机失效物理与可靠性,以及复合材料结构无损检测。

  • 中图分类号: TG115.28

Acousto-Ultrasonic Testing Techniques

  • 摘要: 声-超声技术用以评估弥散缺陷分布以及由此产生的材料力学性质变化,已成功应用于金属、复合材料、粘接结构和木材等的无损检测。综述了声-超声检测技术发展现状。在阐述声-超声技术基本思想的基础上,分析了声-超声检测系统的组成及影响检测结果的各种因素。重点讨论了传播模型研究中的自然模态和频散模态分析,以及信号处理方法中的应力波因子法、超声波衰减率法和统计分析法等。最后对声-超声技术进一步研究的关键技术进行了展望。
    Abstract: As a method of assessing diffusing defects in materials and the variety of mechanical properties, acousto-ultrasonic techniques have been successfully used in the NDT of the composites, bonding and lumber. This paper provides an overview of the acousto-ultrasonic techniques. Based on the principle of the technique, the implementation and the influence factors were discussed. A few emphasis aspects included the natural modes and dispersion modes in academic analysis, stress wave factors, ultrasonic decay rate and the statistic analysis. In the end a conclusion and some challenging issues were proposed.
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    [14] 刘镇清,黄瑞菊.薄板声-超声检测超声传播模式的实验研究[J].声学学报,2000,25(3):268-273.
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出版历程
  • 收稿日期:  2008-07-01
  • 刊出日期:  2009-05-09

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