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where expertise comes together
- since 1996 -

Hillger NDT GmbH
was founded in 1984 and develops special ultrasonic imaging systems for high-tech materials.

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S. Thomson
S. Thomson
08:00 May-22-2003
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


 
 Reply 
 
Jason Taylor
Consultant
Oceaneering, United Kingdom, Joined Jul 2002, 5

Jason Taylor

Consultant
Oceaneering,
United Kingdom,
Joined Jul 2002
5
05:59 May-22-2003
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



 
 Reply 
 

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