Method for the non-destructive inspection of a test object of great material thickness by means of ultrasound, the use of a test probe for carrying out the method, an ultrasonic test probe, a control unit for an ultrasonic test probe and a device for the non-destructive inspection of a test object of great material thickness by means of ultrasound
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United States of America Patent
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Aug 2, 2016
Grant Date -
Mar 28, 2013
app pub date -
Sep 12, 2012
filing date -
Sep 26, 2011
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Abstract
Method and apparatus for the non-destructive inspection of a test object with a large material thickness by means of ultrasound. The apparatus includes an ultrasonic test probe with an ultrasonic transducer divided into a plurality of individually activatable transducer segments wherein the transducer segments are concentric circles or rings, or sections thereof. A first group j (j=1, 2, 3, . . . ) of transducer segments is selected in such a way that a parallel activation of these transducer segments results in a circular active surface Fj of the ultrasonic transducer (22). An ultrasound inspection of the test object is undertaken with the first group j (j=1, 2, 3, . . . ) of transducer segments, wherein they are activated in parallel.
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