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Technical Discussions
Cheng Wei Shen
Singapore, Joined Jul 2015, 1

Cheng Wei Shen

Singapore,
Joined Jul 2015
1
11:15 Jul-03-2015
Phased Array Y joint lack of fusion

Hi,
Just clarifying, from what I understand for good detection of lack of fusion defects, the beam should be entering perpendicular to the crack. However, the typical toe of a Y joint has very little beveling and is almost 0 degree. So for a phased array used in the toe region, the highest chance of detecting a lack of fusion weld is probably the 70 degree region?( closest to 90).

Is my understanding correct?

 
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