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- since 1996 -

AT-Automation Technology GmbH
AT -Automation Technology is a systems house for industrial image processing. AT offers thermographic ndt systems as well as high-speed 3D sensors.
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Technical Discussions
Luis Ganhao
Engineering,
USA, Joined Sep 2008, 25

Luis Ganhao

Engineering,
USA,
Joined Sep 2008
25
19:00 Apr-26-2011
Neoprene Pipeline inspection

We have a neoprene pipeline and I would like to know if it is feasible to inspect the joints with UT

 
 Reply 
 
Nigel Armstrong
Engineering, - Specialist services
United Kingdom, Joined Oct 2000, 1096

Nigel Armstrong

Engineering, - Specialist services
United Kingdom,
Joined Oct 2000
1096
12:57 Apr-27-2011
Re: Neoprene Pipeline inspection
In Reply to Luis Ganhao at 19:00 Apr-26-2011 (Opening).

Luis

Do you mean to do it yourself?

If you are considering "DIY" I think you should start with a zero degree compression on a neoprene block of known thickness to check compression and shear wave material velocity and attenuation. Then if you decide to go ahead you will need all the calibration blocks made out of neoprene. PA will enable you to select the right angles and tandem set-ups if necessary. Good luck!

 
 Reply 
 
Luis Ganhao
Engineering,
USA, Joined Sep 2008, 25

Luis Ganhao

Engineering,
USA,
Joined Sep 2008
25
16:21 Apr-27-2011
Re: Neoprene Pipeline inspection
In Reply to Nigel Armstrong at 12:57 Apr-27-2011 .

Thank you Nigel,

What elese is there now days in NDT world as a technique/method of inspection that I could use to inspect the neoprene pipeline joints.

I have some experience with TOFD in polyethylene pipelines, do you think it can be an option?

 
 Reply 
 
Jon Wallis
NDT Inspector, -
Netherlands, Joined Feb 2010, 626

Jon Wallis

NDT Inspector, -
Netherlands,
Joined Feb 2010
626
17:44 Apr-27-2011
Re: Neoprene Pipeline inspection
In Reply to Luis Ganhao at 16:21 Apr-27-2011 .

As Nigel says, doing UT on this material would need having calibration blocks and probably test pieces made. An alternative may be x-ray. X-ray is commonly carried out on PE and HDPE welds. Use a beryillium window unit and slow film without intensifying screens. Just radiograph the welds as you would with steel welds except don't offset the tube, shoot straight through the weld.

 
 Reply 
 
LALIT MOHAN KOTHARI
Consultant, -
On ..IOCL and BARC(Bhabha Atomic Research Centre).etc, India, Joined Jan 2003, 128

LALIT MOHAN KOTHARI

Consultant, -
On ..IOCL and BARC(Bhabha Atomic Research Centre).etc,
India,
Joined Jan 2003
128
18:22 Apr-28-2011
Re: Neoprene Pipeline inspection
In Reply to Luis Ganhao at 19:00 Apr-26-2011 (Opening).

Luis Ganhao ,
If, line is old then it is not easy to do UT as structure may have some brittleness chance of any homogeneity is also less .

Thanks & Regard

 
 Reply 
 

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