Abstract
Abstract The mass attenuation coefficient is a fundamental parameter in radiation physics and plays a pivotal role in understanding the interaction of ionizing radiation with matter. This study aims to determine mass attenuation coefficients of newly developed tissue equivalent phantom fabricated from jute fibres reinforced with epoxy resin and activated carbon as a filler. The composites were prepared based on four different filler levels (ranging from 0wt% to 5wt%). The produced phantoms are characterized in terms of half-value layer HVL (cm) relating to linear attenuation coefficient, μ (cm−1). The linear and mass attenuation coefficients for the composites with different wt% of filler were determined at three different kV settings of the X-ray generator, covering the lower energy range of normal diagnostic practice (50 kVp, 102 kVp and 109 kVp) and by using the half-value layer (HVL) method. Aluminum filters were used to determine the HVL values and subsequently calculated the attenuation coefficients. The value of attenuation coefficients of fabricated composite materials was contrasted with theoretical value through the utilization of XCOM software at the same energy levels. The results were in good agreement for all ranges of wt% composite. These findings not only have significant practical implications for radiation-related technologies and applications but also enhance material characterization techniques. Hence, the attenuation measurements conducted in this study validate the suitability of jute-reinforced epoxy resin, filled with activated carbon as a phantom material that mimics human tissue.
Published Version
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