Fast Inversion Calculation for Full-field Measurement of Material Properties with Laser Ultrasound Technique

被引：2
|
作者：
Tseng, Sheng-Po [1 ]
Wu, Chia-Han [1 ]
Yang, Che-Hua [1 ]
机构：
[1] Natl Taipei Univ Technol, Grad Inst Mech & Elect Engn, Taipei 106, Taiwan
来源：
Proceedings of the 2015 ICU International Congress on Ultrasonics | 2015年 / 70卷
关键词：
Quantitative laser ultrasound visualization system; Full-field inspection; Analytical model; Inversion algorithm; Mechanical property mapping;
D O I：
10.1016/j.phpro.2015.08.003
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
This research employs a quantitative laser ultrasound visualization system (QLUVS) for the full-field mechanical property mapping in plate-like structures. The QLUVS has the advantage of fast, full-field and quantitative inspection. The QLUVS uses a pulsed laser generate acoustic waves with fast scanning mechanism to reach two dimensional scanning goal and then detected with a piezoelectric longitudinal transducer. By utilizing QLUVS, the spatial and temporal information of guided wave can be obtained with further signal processing, the velocity map can be extracted. Finally the analytical model and inversion algorithm will be integrated into QLUVS for the full-field mechanical property mapping purpose.
引用
收藏
页码：510 / 513
页数：4
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