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- since 1996 -

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Technical Discussions
amir
amir
14:33 Feb-02-2011
measure thickness

to measure thickness of insulating coating on(upper) metallic base use thicknessgage
how measure thickness of insulating coating under metallic base ?

 
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sadek997
NDT Inspector,
AR, Poland, Joined Feb 2011, 12

sadek997

NDT Inspector,
AR,
Poland,
Joined Feb 2011
12
20:58 Feb-14-2011
Re: measure thickness
In Reply to amir at 14:33 Feb-02-2011 (Opening).

You can't unless there's a coupling medium (e.g. water, oil) between the two materials. You can achieve that by using immersion technique. Otherwize the two materials would have to adhere to each other or the space would have to be filled with a medium that transfers the ultrasonic wave (and causes as little attenuation and transfer loss as possible)

 
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