Defect Detection of the Segmental Spherical Shell Based on Ultrasonic Transducer Array

Xi Peng Li; Chun Guang Xu; Li Jiu Wang; Wei Dai

doi:10.4028/www.scientific.net/AMM.496-500.1298

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 496-500Defect Detection of the Segmental Spherical Shell...

Defect Detection of the Segmental Spherical Shell Based on Ultrasonic Transducer Array

Abstract:

It is of great significance to monitor and quantify the defects in the thin segmental spherical shell components. In the paper the guided wave’s inspiring method has been obtained from the wave-mode conversion based on the theory of the guided wave propagating in the thin spherical shell. Using the wavelet to process the testing signal, and the ellipse localization imaging algorithm, the defect’s localization and orientation can be detected accurately. Experimental results show the defect’s direction and location can be detected effectively and clearly.

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Periodical:

Applied Mechanics and Materials (Volumes 496-500)

Pages:

1298-1303

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.496-500.1298

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Online since:

January 2014

Authors:

Xi Peng Li, Chun Guang Xu*, Li Jiu Wang, Wei Dai

Keywords:

Dispersion, Guided Wave, Nondestructive, Transducer Array

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* - Corresponding Author

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