Study the Shielding Properties against Gamma-rays for Epoxy Resin Reinforced by Different materials Shafik S. Shafik|Basim K. Rejah|Rajiha R. Mahmood|Wijdan T. Fazaa

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Baghdad Science Journal

Abstract

In the present work the Buildup factor for gamma rays were studied in shields from epoxy reinforced by lead powder and by aluminum powder, for NaI(Tl) scintillation detector size ( ×? ), using two radioactive sources (Co-60 and Cs-137). The shields which are used (epoxy reinforced by lead powder with concentration (10-60)% and epoxy reinforced by aluminum powder with concentration (10-50)% by thick (6mm) and epoxy reinforced by lead powder with concentration (50%) with thick (2,4,6,8,10)mm. The experimental results show that:
The linear absorption factor and Buildup factor increase with increase the concentration for the powders which used in reinforcement and high for aluminum powder than the lead powder and decrease with increase thick the shields. It’s for Cs-137 higher than Co-60 source.

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Journal BS. Study the Shielding Properties against Gamma-rays for Epoxy Resin Reinforced by Different materials: Shafik S. Shafik|Basim K. Rejah|Rajiha R. Mahmood|Wijdan T. Fazaa. Baghdad Sci.J [Internet]. 2016Sep.4 [cited 2021Jul.28];8(3):705-10. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/1280
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