A New Defect Detection Method of Ultrasonic TOFD Image for Lateral Waves Suppression

Nai Chang Lin; Xiao Xiang Yang

doi:10.4028/www.scientific.net/AMR.550-553.3380

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 550-553A New Defect Detection Method of Ultrasonic TOFD...

A New Defect Detection Method of Ultrasonic TOFD Image for Lateral Waves Suppression

Abstract:

TOFD (Time of flight diffraction) is suitable for the weld defects in the detection and has been widely used in the vessel of pressure. To widen the range of detection in TOFD and the removal of the background wave, a new lateral wave suppression method for TOFD image is proposed. Firstly, ultrasound TOFT image signal of the model is established. Secondly, a new searching clustering algorithm is proposed. Then, it is used to lateral wave suppression. The results show that the lateral wave can be eliminated effectively even if lateral waves are shaking seriously.

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Periodical:

Advanced Materials Research (Volumes 550-553)

Pages:

3380-3383

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.550-553.3380

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Online since:

July 2012

Authors:

Nai Chang Lin, Xiao Xiang Yang

Keywords:

Lateral Wave, Searching Clustering Algorithm, Time of Flight Diffraction Method

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References

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