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Technical Discussions
S. Venkata Ramana
NDT Inspector, ISO,ASME Audits
Thermax Babcock&Wilcox Limited, India, Joined Jul 2002, 1

S. Venkata Ramana

NDT Inspector, ISO,ASME Audits
Thermax Babcock&Wilcox Limited,
India,
Joined Jul 2002
1
05:33 Aug-05-2002
RT at 150 deg centigrade

Can RT(convensional film Radiography) be carried out at elevated temperatures of 150 degree centigrade and above?

Please respond.

S. Venkata Ramana


    
 
 Reply 
 
Jim Knowles
Jim Knowles
05:39 Aug-05-2002
Re: RT at 150 deg centigrade
: Can RT(convensional film Radiography) be carried out at elevated temperatures of 150 degree centigrade and above?
.
: Please respond.
.
: S. Venkata Ramana
.
In reply to elevated film based radiography.
Yes conventional RT can be carried out at elevated tempratures, but cooled cassettes must be used to avoid film damage.
Air cooled cassettes have been used very succesfully.
These are made up by sandwiching the film between aluminium sheets, and passing chilled air over the sandwich layers.
Film identification and pich marks are positioned on the front face of the aluminium sheets to avoid direct contact with the piece under examination.



    
 
 Reply 
 
DJ Kallhof
DJ Kallhof
02:02 Aug-05-2002
Re: RT at 150 deg centigrade
: Can RT(convensional film Radiography) be carried out at elevated temperatures of 150 degree centigrade and above?
.
: Please respond.
.
: S. Venkata Ramana
.
Just a suggestion for your elevated temp X-ray. If geometric unsharpness or object to film distance is not a concern a 1.00" layer of Kayo Wool and strips of corrugated cardboard could do the trick. Use a "J" tube if possible. You will also have to work fast.


    
 
 Reply 
 

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