Mayur,
The idea is to traverse all of the HAZ and weld volume (fusion zones -weld to parent metal & interpass, near surface & root zones and all inbetween) with your probes' beam center line at as much right angle as possible for best detection. So, you have to draw joint sketches with all available scanning surfaces and see which angles are the most suited to do this. Following blindly any 'thumb rule' may not be a good idea.
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The idea is to traverse all of the HAZ and weld volume (fusion zones -weld to parent metal & interpass, near surface & root zones and all inbetween) with your probes' beam center line at as much right angle as possible for best detection. So, you have to draw joint sketches with all available scanning surfaces and see which angles are the most suited to do this. Following blindly any 'thumb rule' may not be a good idea.
With Best Regards,
On Saturday, 1 March 2014 4:53 AM, mark89 <mayurkotiwar77@gmail.com> wrote:
Dear sir ,
-- As per my knowledge the thumb rule to select the probe angle is ( 90- t ) where t = thk of material . i would like to know how to select probe angle in UT if material thk is more than 100 mm .
Thanks .
Regards ,
Mayur kotiwar
mayurkotiwar77@gmail.com
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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