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http://dx.doi.org/10.1016/j.net.2016.12.016

γ-Ray Shielding Behaviors of Some Nuclear Engineering Materials  

Mann, Kulwinder Singh (Department of Physics, D.A.V. College)
Publication Information
Nuclear Engineering and Technology / v.49, no.4, 2017 , pp. 792-800 More about this Journal
Abstract
The essential requirement of a material to be used for engineering purposes at nuclear establishments is its ability to attenuate the most penetrating ionizing radiations, gamma $({\gamma})-rays$. Mostly, high-Z materials such as heavy concrete, lead, mercury, and their mixtures or alloys have been used in the construction of nuclear establishments and thus termed as nuclear engineering materials (NEM). The NEM are classified into two categories, namely opaque and transparent, depending on their behavior towards the visible spectrum of EM waves. The majority of NEM are opaque. By contrast, various types of glass, which are transparent to visible light, are necessary at certain places in the nuclear establishments. In the present study, ${\gamma}-ray$ shielding behaviors (GSB) of six glass samples (transparent NEM) were evaluated and compared with some opaque NEM in a wide range of energy (15 keV-15 MeV) and optical thickness (OT). The study was performed by computing various ${\gamma}-ray$ shielding parameters (GSP) such as the mass attenuation coefficient, equivalent atomic number, and buildup factor. A self-designed and validated computer-program, the buildup factor-tool, was used for various computations. It has been established that some glass samples show good GSB, thus can safely be used in the construction of nuclear establishments in conjunction with the opaque NEM as well.
Keywords
Buildup Factor; Nuclear Engineering Materials; ${\gamma}-Ray$ Shielding Behaviors; ${\gamma}-Ray$ Shielding Parameters;
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