exposure time calculation in Radiography Testing of higher thickness steel

  • Radiography

    exposure time calculation in Radiography Testing of higher thickness steel

    Posted by caleb-charles on 28/11/2021 at 6:45 pm

    Experts/Seniors/Teachers!

    Radiography Testing of Higher thickness steel i.e. 63mm to 100mm is carried out by Gamma Rays (Co-60). The exposure time calculated by my NDT lvl-2 is coming around 40mins for 75mm thick.

    what would be the exposure time from your side?

    william replied 3 years ago 2 Members · 1 Reply
  • 1 Reply
  • Radiography

    william

    Member
    28/11/2021 at 6:55 pm

    Source strength, Source to Film Distance, Film Speed, Sensitivity desired are the main parameters that will determine the exposure time. And I am wondering why you are doubting your level II…

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