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.

引用

页数：3

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