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http://dx.doi.org/10.7742/jksr.2018.12.2.173

Analysis of Shielding Effect of Lead and Tungsten by use of Medical Radiation  

Jang, Donggun (Department of Nuclear Medicine, Dongnam Institute of Radiological & Medical Sciences Cancer center)
Kim, Gyoo Hyung (Department of Radiology, MyongJi hospital)
Park, Cheolwoo (Department of Radiological Technology, Dong-Eui Institute of Technology)
Publication Information
Journal of the Korean Society of Radiology / v.12, no.2, 2018 , pp. 173-178 More about this Journal
Abstract
Lead is a very useful material in shielding radiation in hospitals. But lead is toxic. Therefore, there are many studies on substitutable materials, Typically, there are many studies using tungsten. In this study, we investigated the physical properties of lead and tungsten and the Half value layer. As a result, lead having higher atomic number showed higher cross - sectional area than tungsten. But, at the same size, the electron density of tungsten with a high density is about 1.7 times higher than that of lead. In MCNPX simulation, the shielding effect of tungsten is about 1.4 times higher than that of lead, It was confirmed that tungsten had better shielding efficiency than lead. However, considering the economic aspect, tungsten is a rare metal, which is about 25 times more expensive than lead, which is considered to be inappropriate as an alternative to lead.
Keywords
Lead; Tungsten; Shielding;
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Times Cited By KSCI : 8  (Citation Analysis)
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