The effect of CuO additive on the mechanical and radiation shielding features of Li2B4O7–Pb2O3 glass system

The effect of substitution Pb2O3 by CuO content was studied for 75% Li2B4O7+(25−x)Pb2O3+xCuO glass system where x=0, 5, 10, 15, 20, and 25wt%. The mechanical and radiation shielding properties were evaluated for the investigated glass samples. The mechanical properties included Young's, shear,...

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Veröffentlicht in:Boletín de la Sociedad Española de Cerámica y Vidrio (1983) 2022-07, Vol.61 (4), p.275-283
Hauptverfasser: Mahmoud, K.A., Sayyed, M.I., Alhuthali, Abdullah M.S., Hanfi, M.Y.
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Sprache:eng
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Zusammenfassung:The effect of substitution Pb2O3 by CuO content was studied for 75% Li2B4O7+(25−x)Pb2O3+xCuO glass system where x=0, 5, 10, 15, 20, and 25wt%. The mechanical and radiation shielding properties were evaluated for the investigated glass samples. The mechanical properties included Young's, shear, bulk, longitudinal, Poisson ratio, and micro-hardness were computed theoretically based on the packing factor (Vi) and dissociation energy (Gi) of the metal oxides constituting the existing glass samples using the Makishima–Mackenzie model. The obtained results depicted the insertion of CuO enhances the different mechanical parameters up to 20mol% of the investigated LBPCu glasses. Furthermore, the radiation shielding properties were studied for the investigated LBPCu glass using the Monte Carlo N-particle transport code (MCNP-5) simulation. MCNP-5 was used to detect the simulated linear attenuation coefficient (LAC) and then mass attenuation coefficient (MAC) and other factors based on various gamma-ray sources with energies of 0.24, 0.66, 1.17, 1.33, and 1.40MeV. The results showed that LAC's highest value decreased from 0.578 to 0.320cm−1 for glasses LBPCu0 and LBPCu25, respectively, at low energy of 0.284MeV. Moreover, the effective and equivalent atomic numbers (Zeff and Zeq), buildup factor (EBF), and absorption buildup factor (EABF) were evaluated for the investigated LBPCu glass using the BXCOM program. The results revealed that the shielding properties of the investigated glasses improved by the insertion of CuO content. Se estudió el efecto de la sustitución de Pb2O3 por el contenido de CuO para el 75% de Li2B4O7+(25−x)Pb2O3+xCuO sistema de vidrio donde x=0, 5, 10, 15, 20 y 25% en peso. Se evaluaron las propiedades mecánicas y de protección contra la radiación para las muestras de vidrio investigadas. Las propiedades mecánicas incluidas Young, cizallamiento, volumen, longitudinal, relación de Poisson y microdureza se calcularon teóricamente en función del factor de empaquetamiento (Vi) y la energía de disociación (Gi) de los óxidos metálicos que constituyen las muestras de vidrio existentes utilizando el método Makishima-Mackenzie. modelo. Los resultados obtenidos muestran que la inserción de CuO mejora los diferentes parámetros mecánicos hasta en un 20% mol de los vidrios LBPCu investigados. Además, se estudiaron las propiedades de protección contra la radiación para el vidrio LBPCu investigado utilizando la simulación del código de transporte de partícula
ISSN:0366-3175
DOI:10.1016/j.bsecv.2020.11.005