Abstract
Gamma ray and neutron shielding properties of some alloy materials, CS-516, SS-403, SS-410, SS-316, SS-316L, SS-304L, Incoloy-600, Monel-400 and Cupero-Nickel were studied in the present work. Gamma shielding effectiveness of the alloys was studied by calculation of mass attenuation coefficient, half-value layer and exposure buildup factor (EBF). The EBFs of the alloys were calculated by GP fitting formula for photon energy 0.015–15MeV up to 40mfp penetration depth. Fast neutron removal cross section of the alloys was calculated by partial density method. Cupero-Nickel was found to be best shielding for gamma rays. For neutron, SS-316 was found to be the best shielding materials in energy 2–12MeV. This study should be useful for potential applications of these materials in nuclear reactor core design and other industries for choice of effective gamma ray and neutron shielding materials.
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