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- since 1996 -

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Technical Discussions
Chris
Engineering
ITWL, Poland, Joined Nov 2002, 3

Chris

Engineering
ITWL,
Poland,
Joined Nov 2002
3
01:57 Mar-20-2003
UT testing

I'm looking for UT methods testing thin aluminum layer (1mm) with corrosion defects from the bottom. This is typical in multilayer structure. Can You suggest me some methods (including some propositions parameters configurations). I'm working with automated scannig system.


    
 
 
John Rodgers
Consultant
Acoustic Emission Consulting, Inc., USA, Joined Oct 2001, 8

John Rodgers

Consultant
Acoustic Emission Consulting, Inc.,
USA,
Joined Oct 2001
8
02:23 Mar-20-2003
Re: UT testing
: I'm looking for UT methods testing thin aluminum layer (1mm) with corrosion defects from the bottom. This is typical in multilayer structure. Can You suggest me some methods (including some propositions parameters configurations). I'm working with automated scannig system.
.
You might be better off working with an eddy current approach. I used this method on thin-skinned aluminum-to-wood shelters with corrosion on the bonded interface.


    
 
 
Ed Ginzel
R & D, -
Materials Research Institute, Canada, Joined Nov 1998, 1217

Ed Ginzel

R & D, -
Materials Research Institute,
Canada,
Joined Nov 1998
1217
02:36 Mar-20-2003
Re: UT testing
: : I'm looking for UT methods testing thin aluminum layer (1mm) with corrosion defects from the bottom. This is typical in multilayer structure. Can You suggest me some methods (including some propositions parameters configurations). I'm working with automated scannig system.
: .
: You might be better off working with an eddy current approach. I used this method on thin-skinned aluminum-to-wood shelters with corrosion on the bonded interface.
.

I agree with Mr. Rodgers. With properly designed probes Eddy Current can be used to assess even the layers below the first layer. As well, ECT is easily automated.



    
 
 

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