钢/橡胶胶接结构中脱粘缺陷的Lamb波定量检测

基金项目:

国家自然科学基金资助项目(60572099, 60727001)

详细信息

Quantitative Evaluation of Disbonding in Steel/Rubber Adhesive Bonding Structures by Using Lamb Waves

摘要: 针对胶接结构中脱粘缺陷的定量检测问题, 探讨了一种基于Lamb波幅值的-3 dB法。对钢/橡胶结构中圆形脱粘缺陷进行了检测试验。结果表明, Lamb波信号在粘好区幅值较小, 在脱粘区幅值较大。采用-3 dB法可以较好地对试样中的脱粘缺陷进行定量和定位。
- 超声波检测 /
- Lamb波 /
- 胶接结构 /
- 脱粘 /
- 定量检测
Abstract: Aiming at the problem of quantitative evaluation of disbonding in adhesive bonding structures, the -3 dB method based on Lamb waves was discussed. The experiments were carried out on steel/rubber adhesive bonding structures with circular disbonding. The results showed that the amplitude of Lamb wave in disbonding area was higher than that in bond area, and the disbonding in the sample could be quantitatively estimated effectively by the -3 dB method.
- Ultrasonic testing /
- Lamb wave /
- Adhesive bonding structure /
- Disbonding /
- Quantitative evaluation

[1]	陈积懋, 余南廷, 译.超声检测新技术[M].北京: 科学出版社, 1995: 251-274, 471-524.
[2]	李家伟, 陈积懋.无损检测手册[M].北京: 机械工业出版社, 2002: 648-660.
[3]	徐可北.金属薄板兰姆波检验技术[J].无损检测, 1999, 21(10): 461-465.
[4]	王杜, 郑祥明, 唐正连, 等.兰姆波在薄钢板无损检测中的应用研究[J].无损检测, 2007, 29(4): 193-199.
[5]	《超声波探伤》编写组.超声波探伤[M].北京: 水利电力出版社, 1980: 239.
[6]	艾春安, 李剑.兰姆波频率方程的数值解法[J].无损检测, 2005, 27(6): 294-296.