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Technical Discussions
Khairul Anuar
Khairul Anuar
11:50 Jan-14-2009
linear attenuation coefficient (µ) of stainless steel

What is the linear attenuation coefficient (µ) of stainless steel?

    
 
 
Nigel Armstrong
Engineering, - Specialist services
United Kingdom, Joined Oct 2000, 1094

Nigel Armstrong

Engineering, - Specialist services
United Kingdom,
Joined Oct 2000
1094
18:04 Jan-14-2009
Re: linear attenuation coefficient (µ) of stainless steel
In Reply to Khairul Anuar at 11:50 Jan-14-2009 (Opening).

Hi Khairul

Absorption coefficient is difficult to put a single value to as it applies to monoenergetic radiation and industrial radiation sources produce a range of energies. Kodak book gives radiation equivalence steel to 18:8 stainless of 1.0 (no exposure change) for energies 150kv upwards and for Iridium, Cobalt and Caesium. I dont know about Selenium.

    
 
 
Nigel Armstrong
Engineering, - Specialist services
United Kingdom, Joined Oct 2000, 1094

Nigel Armstrong

Engineering, - Specialist services
United Kingdom,
Joined Oct 2000
1094
17:49 Jan-15-2009
Re: linear attenuation coefficient (µ) of stainless steel
In Reply to Nigel Armstrong at 18:04 Jan-14-2009 .

Khairul

Just to clarify, if you have a radiograpic exposure chart or calculator which gives a specific exposure set-up for a thickness of steel (for specific development conditions) then you should be able to apply exactly the same exposure time and conditions to the stainless steel - that is a radiation equivalence factor of 1.0

    
 
 

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