Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Coating measurements

Sir,

I want to know the various methods using for the measurement of anodization coatings.

Hari Gangadharan Nair
Research department - Ernakulam, Kerala, India
2004

Aluminum is conductive and the anodized coating is not, so Hall Effect or other induction-based measurement systems are probably the easiest and fastest way. There is also cross-sectioning, although this is destructive. There are several suppliers of thickness testers, and they probably could send you articles about how their testers work, although they might not do so because your question comes across as guarded. So tell them the background of why you want to know.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2004

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