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۱Applications of Phased Array Techniques to NDT of Industrial Structures
نویسنده(ها): ، ،
اطلاعات انتشار: دومین کنفرانس بین المللی بازرسی فنی و آزمون غیرمخرب، سال
تعداد صفحات: ۸
In many industrial areas, such as nuclear, aircraft and oil industry, there is an increasing need for versatile Non Destructive Testing methods, able to ensure the reliability of complex structures. Ultrasonic (UPA) phased arrays have been widely studied for several years, since they provide a powerful tool for improved
adaptability to a wide range of applications. These phased arrays rely on transducer splitted into an array of elements individually driven, which allows one to master the ultrasonic beam thanks to delay and amplitude laws. One advantage is the capability of phased array to increase productivity of industrial application. A simple example of a thickness measurement will be developed in order to show how fast phased array can be compared to conventional techniques. One other advantage of phased array is their capability to overcome difficult geometrical problems thanks to their adaptability: electronic commutation, beam–steering and focusing in complex geometries. A specific flexible phased array probe will be presented and applied on a nozzle inspection. This phased array is able to conform to a complex component, without degrading the radiated UT beam.<\div>
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