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449 views
09:01 Aug-29-2001
Bill Kirkbride
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.


 
04:33 Aug-30-2001

Gordon E. Smith

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