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- since 1996 -
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Technical Discussions
inspjob
Engineering, INSPECTION ENGINEER
supreme excel ndt services TRICHY, India, Joined Jul 2005, 6

inspjob

Engineering, INSPECTION ENGINEER
supreme excel ndt services TRICHY,
India,
Joined Jul 2005
6
04:53 Jan-26-2006
skin effect in MPI

Dears ,
can u explain what is skin effect


 
 Reply 
 
graham
NDT Inspector, aerospace
defence, South Africa, Joined Jan 2002, 1

graham

NDT Inspector, aerospace
defence,
South Africa,
Joined Jan 2002
1
09:45 Jan-26-2006
Re: skin effect in MPI
----------- Start Original Message -----------
: Dears ,
: can u explain what is skin effect
------------ End Original Message ------------
Skin effect is the result of testing with A.C. and refers to the fact that A.C. does not penetrate- at least very little -into the item under test. Particles tend to remain on the item under test for a vey short time and need to be evaluated almost instanaeously.


 
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