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- since 1996 -
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Technical Discussions
tu zhankuan
R & D
Chian Academy of Railway Sciences, China, Joined Dec 2002, 5

tu zhankuan

R & D
Chian Academy of Railway Sciences,
China,
Joined Dec 2002
5
01:43 Dec-09-2002
seeking information about rail weld testing

dear sirs,
I am a newer in NDT,and want to collect some information (including testing methods ,instrument manufacturers and application )about rail weld testing? Could you help me?
Thank you very much!
tu zhankuan


    
 
 Reply 
 
Peter Philipp
Peter Philipp
05:25 Dec-09-2002
Re: seeking information about rail weld testing
Dear Tu Zhankuan,

Guided Ultrasonics Ltd has developed a rail testing unit that works on the principle of using guided waves.

Effectively the rail is used as a waveguide and all parts(head, web and foot)of the rail are tested from the location where the equipment is attached.

The equipment is also able to check weld integrity.

Test range from a test location is in excess of 100m in each direction.

The equipment is totally self contained, battery transducers and all the wave generation, analysis and display equipment.

The unit is linked to a GPS positioning system and has been used to work on an operating line as it can be removed in less than 10 seconds.

Please contact me if you require any further information.


: dear sirs,
: I am a newer in NDT,and want to collect some information (including testing methods ,instrument manufacturers and application )about rail weld testing? Could you help me?
: Thank you very much!
: tu zhankuan
.



    
 
 Reply 
 
Ilya Etingen
Engineering
Institute of bridges & NDT, Russia, Joined Jun 2001, 3

Ilya Etingen

Engineering
Institute of bridges & NDT,
Russia,
Joined Jun 2001
3
03:18 Dec-11-2002
Re: seeking information about rail weld testing
: dear sirs,
: I am a newer in NDT,and want to collect some information (including testing methods ,instrument manufacturers and application )about rail weld testing? Could you help me?
: Thank you very much!
: tu zhankuan

Hello ,
Rail welds in Russian railroads are tested with UT echo method (2,5
MGz, angle beam 50).
Every year we test about 3000000 rail welds and find 1600 defects.

Best regards
Ilya Etingen ilich@ndt.sp.ru
Institute of bridges & NDT



    
 
 Reply 
 

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