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Information Junky
Join Date: Mar 2001
Location: an island, upper left coast, USA
Posts: 73,167
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My bad ... shouldn't have used the term "magnaflux" so loosely. (like xerox, Kleenex) the video (a Magnaflux inspection product) isn't using magnetics.
...but, point being, as you say, (magnetic) eddy currents work for Aluminum. (which was my original point)
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Everyone you meet knows something you don't. - - - and a whole bunch of crap that is wrong.
Disclaimer: the above was 2¢ worth.
More information is available as my professional opinion, which is provided for an exorbitant fee. 
Last edited by island911; 02-26-2010 at 11:42 AM..
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