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470 views
08:00 May-22-2003
S. Thomson
UT delamination inspection

Using an epoch 4
10MHz o degree probe

When looking for delam is it necessary that the backwall reflection to disapeer

any advise will be great


 
05:59 May-22-2003

Jason Taylor

Consultant
Oceaneering,
United Kingdom,
Joined Jul 2002
5
Re: UT delamination inspection : Using an epoch 4
: 10MHz o degree probe
.
: When looking for delam is it necessary that the backwall reflection to disapeer
:
: any advise will be great
.

No it depends upon the size and type of the lamination, in some specifications a reduction in backwall signal of 50% even with no laminar signal is regarded as evidence of a lamination



 


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