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Erschienen in:
2013 | OriginalPaper | Buchkapitel
75. Application of Ultrasonic Phased Array Testing Technology on Ladle Trunnion
verfasst von : Dong Hu, Qiang Wang, Changming Yuan
Erschienen in: Proceedings of 2013 Chinese Intelligent Automation Conference
Verlag: Springer Berlin Heidelberg
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Abstract
The welding quality of the trunnion’s root welds is critical to the safety operation of ladles. However, due to the complex structure of the detecting surface, the non-destructive testing of these welds has been a significant problem. Ultrasonic phased array technology can achieve flexible and controllable ultrasound beam by changing the time delay of each element by which ultrasonic phased array technology has been widely used for the inspection of complex structure weld. In this paper, Omniscan MX with a 64-element phased array probe was employed in inspecting a big ladle trunnion. The results illustrate that: Ultrasonic phased array obtained high signal-to-noise ratio, accurate positioning and high detection efficiency, it is proved feasible in ladle trunnion’s inspection.