Study on borate glass system containing with Bi2O3 and BaO for gamma-rays shielding materials: Comparison with PbO
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Author list: Kaewkhao J., Pokaipisit A., Limsuwan P.
Publisher: Elsevier
Publication year: 2010
Journal: Journal of Nuclear Materials (0022-3115)
Volume number: 399
Issue number: 1
Start page: 38
End page: 40
Number of pages: 3
ISSN: 0022-3115
eISSN: 1873-4820
Languages: English-Great Britain (EN-GB)
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Abstract
In this work, the mass attenuation coefficients and shielding parameters of borate glass matrices containing with Bi2O3 and BaO have been investigated at 662 keV, and compare with PbO in same glass structure. The theoretical values were calculated by WinXCom software and compare with experiential data. The results found that the mass attenuation coefficients were increased with increasing of Bi2O3, BaO and PbO concentration, due to increase photoelectric absorption of all glass samples. However, Compton scattering gives dominant contribution to the total mass attenuation coefficients for studied glass samples. Moreover the half value layers (HVL) of glass samples were also better than ordinary concretes and commercial window glass. These results reflecting that the Bi-based glass can use replace Pb in radiation shielding glass. In the case of Ba, may be can use at appropriate energy such as X-rays or lower. Crown Copyright ฉ 2010.
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