Abstract
The influence of tungsten carbide and tungsten oxide nanopowders on radiation-protective properties of a composite material based on a cement matrix has been studied. These powders are obtained from carbide scrap production. In the radiation energy range of 0.06…1.408 MeV the gamma radiation attenuation coefficients at various concentrations of nanopowders WC and WO3 (3.6%, 6.4%, 9.6% of the material mass) have been considered. The mass attenuation coefficient and the multiple of attenuation of radiation of investigated materials are calculated. It is shown that nanomodified composite material has high radiation protection characteristics and can find wide application as a radio protection material.
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