NF EN 12679

Non-destructive testing - Radiographic testing - Determination of the size of industrial radiographic gamma sources

Le présent document traite de la détermination, par une méthode de radiographie aux rayons X, des dimensions des sources de rayonnement gamma de 0,5 mm ou plus, fabriquées à partir des radionucléides iridium 192, ytterbium 169, sélénium 75 ou cobalt 60. La dimension d'une source de rayonnement gamma est un facteur important qui affecte la qualité des images obtenues par rayonnement gamma. La dimension d'une source est déterminée avec une exactitude de plus ou moins 10 pour cent , mais généralement de 0,1 mm au maximum. Le présent document peut être utilisé pour d'autres radionucléides après validation.

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