Evaluation of the impact of PL/hBN and PL/B4C on the neutron leakage generated by the LINAC in the treatment room

Hassanpour, Mehdi; Faruque, Mohammad Rashed Iqbal; Hassanpour, Marzieh; Khandaker, Mayeen Uddin; Al-mugren, K.S.

doi:10.1016/j.aej.2024.06.084

Alexandria Engineering Journal

2024

DOI: 10.1016/j.aej.2024.06.084

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Evaluation of the impact of PL/hBN and PL/B4C on the neutron leakage generated by the LINAC in the treatment room

Mehdi Hassanpour,

Mohammad Rashed Iqbal Faruque,

Marzieh Hassanpour

et al.

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2024

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Cited by 2 publications

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Influence of sustainable waste granite, marble and nano-alumina additives on ordinary concretes: a physical, structural, and radiological study

Mahmoud,

El-Sayed,

Aboraya

et al. 2024

Sci Rep

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This study investigates the individual and combined effects of enhancing the radiation shielding properties of waste concrete using the optimal mix design of two waste material powders of different compositions. Marble (MD) and granite (GD) waste dust were individually utilized as partial replacements for cement at a replacement ratio of 6%. Furthermore, two additional mixes were prepared by incorporating 1% by cement weight of nano alumina (NA) to enhance the microstructure of the studied waste concrete. The MGA-concrete was analyzed using X-ray Fluorescence, Energy dispersive X-ray, X-ray diffraction analysis, transmission electron microscopy, and scanning electron microscope techniques. The radiation shielding assets of the examined Concrete samples, such as the linear attenuation coefficient (μ), half value layer (H1/2), tenth value layer (T1/10), and fast neutron removal cross-section were evaluated using the MCS5 Monte Carlo simulation algorithm and Phy-X software. The results showed that the linear attenuation for the GMN-concretes’ order is CO < MD < GD < NA < MD + NA < GD + NA. The GD + Na concrete sample presents the best neutron performance. The studied GMN-concrete samples provide the best protection against γ-rays and fast neutrons. Lastly, the excellent performance of the mixes of waste Granite, Marble, and Nano-Alumina on ordinary would pave the way for their employment as radiation shielding in various nuclear and medical facilities.

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Influence of sustainable waste granite, marble and nano-alumina additives on ordinary concretes: a physical, structural, and radiological study

Mahmoud,

El-Sayed,

Aboraya

et al. 2024

Sci Rep

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Preparation and characterization of a new Gd2O3-epoxy composite for neutron shielding applications

Safavi,

Outokesh,

Vosoughi

et al. 2024

Sci Rep

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The current study aims to introduce a new polymeric composite consisting of epoxy resin as the matrix and gadolinium oxide (Gd2O3) as the neutron adsorption ingredient. The shielding performance of the composite was assessed by neutron attenuation experiments with an Am-Be source and polyethylene moderator. The results of these experiments showed an appreciable agreement with the Monte Carlo simulations. Other characteristics of the composite, including mechanical strength, thermal stability, microtexture, and its chemical compositions, were examined using standard tensile test, thermogravimetric analysis, X-ray diffraction, scanning electron microscopy, static light scattering analyses, and Fourier-transform infrared spectroscopy (FTIR). The results indicated that the new composites offer appreciable neutron absorption properties so that samples with 0.5%, 2%, 5%, and 10% Gd2O3 content could reduce the neutron beam intensity by 54%, 63%, 66%, and 70% at a thickness of 4 cm.

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Evaluation of the impact of PL/hBN and PL/B4C on the neutron leakage generated by the LINAC in the treatment room

Cited by 2 publications

References 14 publications

Influence of sustainable waste granite, marble and nano-alumina additives on ordinary concretes: a physical, structural, and radiological study

Influence of sustainable waste granite, marble and nano-alumina additives on ordinary concretes: a physical, structural, and radiological study

Preparation and characterization of a new Gd2O3-epoxy composite for neutron shielding applications

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