Absorption characteristics of composite ordinary portland cement (OPC)/Fe2O3/BaO X-ray shield applications

Abstract

Abstrak Composite materials for X-ray shield aplications have been synthesized used the ordinary portland cement (OPC) as matrix material and Fe 2 O 3 and BaO as fillers material. There are four compositions of the (Fe 2 O 3 + BaO); namely OFB 1 for 0%, OFB 2 for 5%, OFB 3 for 10%, and OFB 4 for 15%. The chemical composition of the composites were determined by X-ray fluorescence (XRF) spectroscopy and for structural properties determined by X-ray diffraction (XRD). For the absorption characteristics were determined by using mobile X-Ray and analysis the linear coefficient attenuation (μ), the half value layer (HVL), the tenth value layer (TVL), and the absorbed dose (S) for various of the tube voltage; 60 kV, 70 kV and 80 kV. The absorption dose was increase with increasing the amount of (Fe 2 O 3 + BaO) as fillers at the same tube voltage, but decreasing the absorption dose for the tube voltage of radiation source increased. The best absorption dose is for composite OFB 4 on the source tube voltage of 60 kV with the value of μ, HVL, TVL and S are 0.32 mm −1 , 2.13 mm, 7.09 mm, and 99.85%, respectively.

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