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Technical Discussions
satish nair
satish nair
07:40 Dec-29-1999
radiography

unable to produce a radiograph with the required sensitivity as
per a.s.m.e code.please provide solution for details as follows.

1.isotope- selenium75
2.strenth-63Ci
3.source size-3by3mm
4.film-mx
5.sfd-14"
6.s.s pipe of 2" dia 3mm thk


 
 Reply 
 
Christoph Schnitger
Christoph Schnitger
00:21 Dec-30-1999
Re: radiography
Dear Satish,

the geometric unsharpness is greater than 0,5 mm !
Please change the sfd up to 20".

In addition i need the density at the place/ Penetramter or you use the IQI s ??

Best regards
C.Schnitger



 
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