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Effect of particle size, filler loadings and x-ray tube voltage on the transmitted x-ray transmission in tungsten oxide—epoxy composites

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Authors
Noor Azman, N.
Siddiqui, Salim
Hart, Robert
Low, It-Meng
Date
2013
Type
Journal Article

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Noor Azman, N.Z. and Siddiqui, S.A. and Hart, R. and Low, I.M. 2013. Effect of particle size, filler loadings and x-ray tube voltage on the transmitted x-ray transmission in tungsten oxide—epoxy composites. Applied Radiation and Isotopes. 71 (1): pp. 62-67.
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Applied Radiation and Isotopes
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NOTICE: This is the author’s version of a work that was accepted for publication in Applied Radiation and Isotopes. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Applied Radiation and Isotopes, Vol. 71, Issue 1. (2013). doi: 10.1016/j.apradiso.2012.09.012

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Abstract

The effect of particle size, filler loadings and x-ray tube voltage on the x-ray transmission in WO3-epoxy composites has been investigated using the mammography unit and a general radiography unit. Results indicate that nano-sized WO3 has a better ability to attenuate the x-ray beam generated by lower tube voltages (25–35 kV) when compared to micro-sized WO3 of the same filler loading. However, the effect of particle size on x-ray transmission was negligible at the higher x-ray tube voltages (40–120 kV).