Flaw detection in rotating structures by Lamb waves

被引：0
|
作者：
Canle, Daniel Veira [1 ]
Salmi, Ari [1 ]
Haeggstrom, Edward [1 ]
机构：
[1] Univ Helsinki, Elect Res Lab, Helsinki, Finland
来源：
2016 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS) | 2016年
关键词：
Laser ultrasound; moving target; NDE; flaw detection;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Rotor damage detection is crucial in order to ensure safe operation of aircraft. We present a technique that detects defects in rotating propellers. A pulsed Nd:YAG laser is scanned across an aluminum sample that rotates at 415 rpm to generate ultrasound while a LDV picks up data. We detected the presence of a surface breaking rectangular notch, determined its position, and calculated its size.
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页数：3
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