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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
Liju P R
NDT Inspector, -ND
Institute of testing technology(ITT),mumbai,india, India, Joined Jul 2009, 3

Liju P R

NDT Inspector, -ND
Institute of testing technology(ITT),mumbai,india,
India,
Joined Jul 2009
3
14:50 Apr-18-2019
TOFD inspection of HDPE pipes

Hi all,is anyone have experiance in HDPE pipe fusion weld TOFD inspection,please share any procedure or your past experiance in HDPE weld inspection

    
 
 Reply 
 
Edward Ginzel
R & D, -
Materials Research Institute, Canada, Joined Nov 1998, 1266

Edward Ginzel

R & D, -
Materials Research Institute,
Canada,
Joined Nov 1998
1266
17:58 Apr-18-2019
Re: TOFD inspection of HDPE pipes
In Reply to Liju P R at 14:50 Apr-18-2019 (Opening).

Several papers can be found on NDT.net that relate to TOFD on HDPE butt fusion joints.
Carlos Correia is perhaps the most recent: https://www.ndt.net/article/ndtnet/2017/1_Correia.pdf

We provided an example of HDPE TOFD using low velocity polymer wedges: https://www.ndt.net/article/ndtnet/2016/11_Ginzel.pdf

Late in 2018 Innovation Polymers introduced the TOFD wedges that use interchangeable inserts of different acoustic velocities to permit different refracted angles; https://www.ndt.net/search/docs.php3?id=23490&content=1

2    
 
 Reply 
 

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