Receiving principles and experimental test of several commonly used methods for laser ultrasonic thickness measurement

Zhenzhen Zhang; Xuanzheng Ma; Ruizhan Zhai; Jia Liu; Lei Lv; Jihua Sun

doi:10.1117/12.2524532

10 May 2019 Receiving principles and experimental test of several commonly used methods for laser ultrasonic thickness measurement

Zhenzhen Zhang, Xuanzheng Ma, Ruizhan Zhai, Jia Liu, Lei Lv, Jihua Sun

Author Affiliations +

Proceedings Volume 11068, Second Symposium on Novel Technology of X-Ray Imaging; 110681H (2019) https://doi.org/10.1117/12.2524532
Event: Second Symposium on Novel Technology of X-Ray Imaging, 2018, Hefei, China

Abstract

Laser ultrasonic technology has become an effective method and technological means for thickness measurement of metal materials nowadays. Generally, common method for receiving laser ultrasonic signals has piezo-electric transducer (PZT), laser interferometer and electro-magnetic acoustic transducer (EMAT). In this paper, the receiving principles of three kinds of receiving methods are given, and the diagrams of three methods with different thickness obtained by experiments are drawn. Each method has its own advantages and disadvantages, so appropriate receiving method should be selected according to actual needs for engineering application.

Citation Download Citation

Zhenzhen Zhang, Xuanzheng Ma, Ruizhan Zhai, Jia Liu, Lei Lv, and Jihua Sun "Receiving principles and experimental test of several commonly used methods for laser ultrasonic thickness measurement", Proc. SPIE 11068, Second Symposium on Novel Technology of X-Ray Imaging, 110681H (10 May 2019); https://doi.org/10.1117/12.2524532

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