Industrial Applications of Ultrasonic Time-of-Flight-Diffraction(TOFD) Techniques for Various Field Targets

descriptionPublicationkeyboard_double_arrow_right Article 01 Sep 2005 English Publisher:Springer Science and Business Media LLCJournal:Welding in the World, volume 49, pages 68-74 (issn: 0043-2288, eissn: 1878-6669,

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Authors: A. Nishikawa; N. Nagahama; K. Umeda; T. Sakai; S. I. Oya;

doi: 10.1007/bf03266491

Industrial Applications of Ultrasonic Time-of-Flight-Diffraction(TOFD) Techniques for Various Field Targets

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Abstract

The ultrasonic time-of-flight-diffraction (TOFD) technique has been used mainly to detect and precisely size flaws in welded butt joints. But industrial applicability of the conventional TOFD technique is restricted due to inspection targets’shape complexity and ultrasonic noise. In order to increase the applicability of the TOFD technique for real industrial targets, various improved TOFD techniques have been developed. In this paper, industrial applications and limitations of the conventional TOFD technique and newly developed TOFD technologies, which can overcome those limitations, are presented.

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