Abstract
The gamma-ray shielding effectiveness of some oxide dispersion-strengthen (ODS) alloys by means of mass attenuation coefficients, mean free path, exposure buildup factors and energy absorption buildup factors have been investigated in the present study. The buildup factors were calculated using geometrical progression method for photon energy 0.015–15 MeV up to 40 mfp penetration depth. The mass attenuation coefficients were calculated by using XCOM program and Geant4 simulation methods and found a very good agreement. Our investigation signifies that the low iron content ODS alloys are superior shielding materials with the lower buildup factors. This study should be useful for selection of shielding materials for their applications in fusion reactors design and future nuclear reactor technologies.
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Singh, V.P., Medhat, M.E. & Badiger, N.M. Gamma-Ray Shielding Effectiveness of Some Alloys for Fusion Reactor Design. J Fusion Energ 33, 555–564 (2014). https://doi.org/10.1007/s10894-014-9704-7
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DOI: https://doi.org/10.1007/s10894-014-9704-7