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KARL DEUTSCH
INSTRUMENTS AND SYSTEMS FOR NON-DESTRUCTIVE TESTING OF MATERIALS
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Technical Discussions
Rolf Diederichs
Director,
NDT.net, Germany, Joined Nov 1998, 609

Rolf Diederichs

Director,
NDT.net,
Germany,
Joined Nov 1998
609
01:08 May-17-2002
NDT.net May issue

The NDT.net May issue focuses on ultrasonic phased arrays.
http://www.ndt.net/v07n05.htm

Where Ultrasonic Testing needs several transducers the use of an Ultrasonic Phased Array is a good choice. The inspected sample can thus be quickly scanned by electronically steering the beam axis or focusing the beam. Beam multiplexing can be used to reduce the number of scan lines when inspecting a wide surface. The beam is quickly multiplexed along a long probe, allowing scans of a wide area at a time, reducing the number of mechanical passes. Of course the ultrasonic instrument must provide all necessary capabilities for driving and evaluating the phased array.

Several inappropriate form messages led to a redesign of
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Best regards
Rolf Diederichs




 
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