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- since 1996 -

Hi-Spec Systems
we are specialised in the design, development and manufacture of Phased Array and Time-of-Flight Diffraction (ToFD) ultrasonic inspection systems.
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Technical Discussions
Abhijat Dasgupta
, Engineer
India, Joined Apr 2009, 1

Abhijat Dasgupta

, Engineer
India,
Joined Apr 2009
1
19:46 Apr-12-2009
locating ERW Weld Bondline

Anyone has method of locating the weld bondline of a ERW weld? Thanks for your reply

Abhijat

 
 Reply 
 
R Duwe
NDT Inspector, API-510, 570, 653
MISTRAS, USA, Joined Jan 2009, 148

R Duwe

NDT Inspector, API-510, 570, 653
MISTRAS,
USA,
Joined Jan 2009
148
04:37 Apr-13-2009
Re: locating ERW Weld Bondline
In Reply to Abhijat Dasgupta at 19:46 Apr-12-2009 (Opening).

I have had a fairly easy time locating the bond using a Shearwave UT and a appropriatly small 70 degree transducer. Actually, you are finding the 'absence of bond', as a sound weld will not return any appreciable signal. Lack-of Fusion in any weld is best found with UT, in my opinion.

 
 Reply 
 

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