Synthesis and characterisation of ion-implanted epoxy composites for x-ray shielding

Abstract

The epoxy samples were implanted with heavy ions such as tungsten (W), gold (Au) and lead (Pb) to investigate the attenuation characteristics of these composites. Near-surface composition depth profiling of ion-implanted epoxy systems was studied using Rutherford Backscattering Spectroscopy (RBS). The effect of implanted ions on the X-ray attenuation was studied with a general diagnostic X-ray machine with X-ray tube voltages from 40 to 100 kV at constant exposure 10 mAs. Results show that the threshold of implanted ions above which X-ray mass attenuation coefficient, mu(m), of the ion-implanted epoxy composite is distinguishably higher than the mu(m), of the pure epoxy sample is different for W, Au and Pb. © 2012, Elsevier Ltd.