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Technical Discussions
David Harvey
David Harvey
07:34 Jun-28-1999
Comparison of Vee notch and U notch response

We have historically used the EDM u-notch for our calibration reflector when testing nuclear-grade zirconium rod. The rod has diameter of 8 to 25 mm, with notch depths of about .25mm. We recently have had a number of customers request the use of the vee notch for standards on new orders. Is there anyone who knows of comparison data on the responses from vee and U notches? I would greatly appreciate being pointed in the right direction for that information.


 
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Phil Herman Jr.
Sales, - Manufacture of NDT Reference Standards/Test Blocks
PH Tool Reference Standards, USA, Joined Oct 1999, 79

Phil Herman Jr.

Sales, - Manufacture of NDT Reference Standards/Test Blocks
PH Tool Reference Standards,
USA,
Joined Oct 1999
79
00:01 Jul-01-1999
Re: Comparison of Vee notch and U notch response
David,

PH Tool Reference Standards manufactures EDM notch standards for NDT. We machine both "U" and "Vee-shaped" notches on ODs (and even IDs), oriented longitudinally and circumferentially. I have no response data cpmparing the two types, but would be glad to discuss the machining of various notch types on your supplied zirconium rod.

: We have historically used the EDM u-notch for our calibration reflector when testing nuclear-grade zirconium rod. The rod has diameter of 8 to 25 mm, with notch depths of about .25mm. We recently have had a number of customers request the use of the vee notch for standards on new orders. Is there anyone who knows of comparison data on the responses from vee and U notches? I would greatly appreciate being pointed in the right direction for that information.




 
 Reply 
 

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