Determination of Radiation Attenuation Coefficients of Rubber Containing Barite

Sarawut Jaiyen; Apinya Phumsuwan; Voranuch Thongpool; Akapong Phunpueok

doi:10.4028/www.scientific.net/AMM.866.204

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 866Determination of Radiation Attenuation...

Determination of Radiation Attenuation Coefficients of Rubber Containing Barite

Abstract:

Radiation shielding properties of rubber containing barite (BaSO₄) at different concentration were evaluated by using beam transmission method for 59.5 keV energy of ²⁴¹Am radioactive sources. The linear attenuation coefficients of these materials have been measured using gamma spectrometer which contains NaI(Tl) detector. It was found that the linear attenuation coefficient increase with the increase of barite content up to a value of 25% (in weight). The linear attenuation coefficients were 0.050, 0.086, 0.110, 0.129 and 0.138 mm^-1 and the HVL were 13.9, 8.1, 6.3, 5.4 and 5.0 mm for the barite concentration of 5%, 10%, 15%, 20% and 25% by weight, respectively. The X-ray shielding ability was confirmed by using radiographic technique.

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Periodical:

Applied Mechanics and Materials (Volume 866)

Pages:

204-207

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.866.204

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Online since:

June 2017

Authors:

Sarawut Jaiyen*, Apinya Phumsuwan, Voranuch Thongpool, Akapong Phunpueok

Keywords:

Barite, Natural Rubber, Radiation Shielding

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* - Corresponding Author

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