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KMID : 0357520170400030461
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Journal of Radiological Science and Technology
2017 Volume.40 No. 3 p.461 ~ p.468
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Preliminary Study for Development of Low Dose Radiation Shielding Material Using Liquid Silicon and Metalic Compound
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Jang Seo-Goo
Han Su-Cheol
Kang Sung-Jin
Lim Sung-Wook
Lee Sung-Soo
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Abstract
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This study measured and compared the protective clothing using Pb used for shielding in a diagnostic
X-ray energy range, and the shielding rates of X-ray fusion shielding materials using Si and TiO2. For the experiment, a pad type shielding with a thickness of 1 ㎜ was prepared by mixing Si-TiO2, and the X-ray shielding rate was compared with 0.5 ㎜Pb plate of The shielding rate of shielding of 0.5 ㎜Pb plate 95.92%, 85.26 % based on the case of no shielding under each 60 kVp, 100 kVp tube voltage condition. When the shielding of Si-TiO2 pad was applied, the shielding rate equal to or greater than 0.5 ㎜Pb plate was obtained at a thickness of 11 ㎜ or more, and the shielding rate of 100% or more was confirmed at a thickness of 13 ㎜ in 60 kVp condition. When the shielding of Si-TiO2 pad was applied, the shielding rate equal to or greater than 0.5 ㎜Pb plate was obtained at a thickness of 17 ㎜ or more, and a shielding rate of 0.5 ㎜Pb plate was observed at a thickness of 23 ㎜ in 100 kVp condition. Through the results of this study, We could confirm the possibility of manufacturing radiation protective materials that does not contain lead hazard using various metalic compound and liquid Si. This study shows that possibility of liquid Si and other metalic compound can harmonize easily. Beside, It is flexible and strong to physical stress than Pb obtained radiation protective closthes. But additional studies are needed to increase the shielding rate and reduce the weight.
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KEYWORD
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Radiation Shielding , Radiation protective clothing , Liquid Silicon , TiO2 , Metalic Compound , Si
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