Rank: Newbie
Groups: Member
Joined: 8/9/2009
Posts: 1
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I want to know if we can inspect water wall boiler tubes with phased array ultrasonic ( from outside surface). If the answer is yes, is its sensivirty enough to detect tiny corrosion areas such as 1 mm depth with 6 mm diameter when the tube thickness is 4 mm?
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Rank: Newbie
Groups: Member
Joined: 5/5/2010
Posts: 1
Location: Edmonton
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Yes, Phased Array is sensitive enough to detect corrosion if the proper technique is applied. The only limitaion I can imagine would be the access to the tangent areas of the tubes. With our Helix scanner and associated transducers and wedges, we can create a beam profile which would be able to examine those areas.
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