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Technical Discussions
Bill Kirkbride
Bill Kirkbride
09:01 Aug-29-2001
Ping Testing

I have been asked to perform an ultrasonic 'Ping' test on a fully machined generator rotor forging. I am not conversant with the technique and would appreciate any assistance that is available.


    
 
 
Gordon E. Smith
Consultant
H.C.Nutting, Co., USA, Joined Nov 1998, 6

Gordon E. Smith

Consultant
H.C.Nutting, Co.,
USA,
Joined Nov 1998
6
04:33 Aug-30-2001
Re: Ping Testing
This could be either of two techniques:

1. impact and frequency analysis of ringdown noise..

or

2. A single A-scan through the part with comparision to an (stored) A Scan through a like section where the grain structure has been analysed. Comparision can be used to rate strength and fracture toughness, other grain related characteristics.





    
 
 

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