title: Effect of particle size, filler loadings and x-ray tube voltage on the transmitted x-ray transmission in tungsten oxide-epoxy composites.
abstract: The effect of particle size, filler loadings and x-ray tube voltage on the x-ray transmission in WO(3)-epoxy composites has been investigated using the mammography unit and a general radiography unit. Results indicate that nano-sized WO(3) has a better ability to attenuate the x-ray beam generated by lower tube voltages (25-35 kV) when compared to micro-sized WO(3) 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).
authors.affiliation: Department of Imaging and Applied Physics, Curtin University, Perth, WA 6845, Australia.
authors.forename: N Z
authors.initials: NZ
authors.lastname: Noor Azman
authors.forename: S A
authors.initials: SA
authors.lastname: Siddiqui
authors.forename: R
authors.initials: R
authors.lastname: Hart
authors.forename: I M
authors.initials: IM
authors.lastname: Low
mesh_terms: D004852:Epoxy Compounds / Q000737:chemistry*; D010087:Oxides / Q000737:chemistry*; D010316:Particle Size; D014414:Tungsten / Q000737:chemistry*; D014965:X-Rays
chemical_list: D004852:Epoxy Compounds; D010087:Oxides; C511604:tungsten oxide; D014414:Tungsten