Understanding the Effect of Introducing Micro- and Nanoparticle Bismuth Oxide (Bi2O3) on the Gamma Ray Shielding Performance of Novel Concrete

The aim of this study is to investigate the radiation shielding properties of novel concrete samples with bulk Bi2O3 and Bi2O3 nanoparticles (Bi2O3 NP) incorporat...

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Autores principales:	Mohamed A. El-Nahal, Mohamed Elsafi, M. I. Sayyed, Mayeen Uddin Khandaker, Hamid Osman, Basem H. Elesawy, Ibrahim H. Saleh, Mahmoud I. Abbas
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	concrete bulk Bi<sub>2</sub>O<sub>3</sub> nanoparticle Bi<sub>2</sub>O<sub>3</sub> MAC HVL RPE Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/9608229fd81e40ad988a45f0cba1f84d
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spelling	oai:doaj.org-article:9608229fd81e40ad988a45f0cba1f84d2021-11-11T18:03:44ZUnderstanding the Effect of Introducing Micro- and Nanoparticle Bismuth Oxide (Bi<sub>2</sub>O<sub>3</sub>) on the Gamma Ray Shielding Performance of Novel Concrete10.3390/ma142164871996-1944https://doaj.org/article/9608229fd81e40ad988a45f0cba1f84d2021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6487https://doaj.org/toc/1996-1944The aim of this study is to investigate the radiation shielding properties of novel concrete samples with bulk Bi<sub>2</sub>O<sub>3</sub> and Bi<sub>2</sub>O<sub>3</sub> nanoparticles (Bi<sub>2</sub>O<sub>3</sub> NP) incorporated into its composition. The mass attenuation coefficient of the concrete samples without Bi<sub>2</sub>O<sub>3</sub> and with 5 and 7 wt% bulk Bi<sub>2</sub>O<sub>3</sub> were experimentally determined and were compared against values obtained using the XCOM and Geant4 simulations. Both methods greatly agree with the experimental values. The linear attenuation coefficients (LAC) of blank concrete (C-0), concrete with 5% bulk Bi<sub>2</sub>O<sub>3</sub> (C-B5), and concrete with 5% nanoparticle Bi<sub>2</sub>O<sub>3</sub> (C-N5) were determined and compared at a wide energy range. We found that the LAC follows the trend of C-0 < C-B5 < C-N5 at all the tested energies. Since both C-B5 and C-N5 have a greater LAC than C-0, these results indicate that the addition of Bi<sub>2</sub>O<sub>3</sub> improves the shielding ability of the concretes. In addition, we investigated the influence of nanoparticle Bi<sub>2</sub>O<sub>3</sub> on the LAC of the concretes. The half-value layer (HVL) for the concretes with bulk Bi<sub>2</sub>O<sub>3</sub> and Bi<sub>2</sub>O<sub>3</sub> nanoparticles is also investigated. At all energies, the C-0 has the greatest HVL, while C-N15 has the least. Thus, C-N15 concrete is the most space efficient, while C-0 is the least space efficient. The radiation protection efficiency (RPE) of the prepared concretes was found to decrease with increasing energy for all five samples. For C-0, the RPE decreased from 63.3% at 0.060 MeV to 13.48% at 1.408 MeV, while for C-N15, the RPE decreased from 87.9 to 15.09% for the same respective energies. Additionally, C-N5 had a greater RPE than C-B5, this result demonstrates that Bi<sub>2</sub>O<sub>3</sub> NP are more efficient at shielding radiation than bulk Bi<sub>2</sub>O<sub>3</sub>.Mohamed A. El-NahalMohamed ElsafiM. I. SayyedMayeen Uddin KhandakerHamid OsmanBasem H. ElesawyIbrahim H. SalehMahmoud I. AbbasMDPI AGarticleconcretebulk Bi<sub>2</sub>O<sub>3</sub>nanoparticle Bi<sub>2</sub>O<sub>3</sub>MACHVLRPETechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6487, p 6487 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	concrete bulk Bi<sub>2</sub>O<sub>3</sub> nanoparticle Bi<sub>2</sub>O<sub>3</sub> MAC HVL RPE Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	concrete bulk Bi<sub>2</sub>O<sub>3</sub> nanoparticle Bi<sub>2</sub>O<sub>3</sub> MAC HVL RPE Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Mohamed A. El-Nahal Mohamed Elsafi M. I. Sayyed Mayeen Uddin Khandaker Hamid Osman Basem H. Elesawy Ibrahim H. Saleh Mahmoud I. Abbas Understanding the Effect of Introducing Micro- and Nanoparticle Bismuth Oxide (Bi<sub>2</sub>O<sub>3</sub>) on the Gamma Ray Shielding Performance of Novel Concrete
description	The aim of this study is to investigate the radiation shielding properties of novel concrete samples with bulk Bi<sub>2</sub>O<sub>3</sub> and Bi<sub>2</sub>O<sub>3</sub> nanoparticles (Bi<sub>2</sub>O<sub>3</sub> NP) incorporated into its composition. The mass attenuation coefficient of the concrete samples without Bi<sub>2</sub>O<sub>3</sub> and with 5 and 7 wt% bulk Bi<sub>2</sub>O<sub>3</sub> were experimentally determined and were compared against values obtained using the XCOM and Geant4 simulations. Both methods greatly agree with the experimental values. The linear attenuation coefficients (LAC) of blank concrete (C-0), concrete with 5% bulk Bi<sub>2</sub>O<sub>3</sub> (C-B5), and concrete with 5% nanoparticle Bi<sub>2</sub>O<sub>3</sub> (C-N5) were determined and compared at a wide energy range. We found that the LAC follows the trend of C-0 < C-B5 < C-N5 at all the tested energies. Since both C-B5 and C-N5 have a greater LAC than C-0, these results indicate that the addition of Bi<sub>2</sub>O<sub>3</sub> improves the shielding ability of the concretes. In addition, we investigated the influence of nanoparticle Bi<sub>2</sub>O<sub>3</sub> on the LAC of the concretes. The half-value layer (HVL) for the concretes with bulk Bi<sub>2</sub>O<sub>3</sub> and Bi<sub>2</sub>O<sub>3</sub> nanoparticles is also investigated. At all energies, the C-0 has the greatest HVL, while C-N15 has the least. Thus, C-N15 concrete is the most space efficient, while C-0 is the least space efficient. The radiation protection efficiency (RPE) of the prepared concretes was found to decrease with increasing energy for all five samples. For C-0, the RPE decreased from 63.3% at 0.060 MeV to 13.48% at 1.408 MeV, while for C-N15, the RPE decreased from 87.9 to 15.09% for the same respective energies. Additionally, C-N5 had a greater RPE than C-B5, this result demonstrates that Bi<sub>2</sub>O<sub>3</sub> NP are more efficient at shielding radiation than bulk Bi<sub>2</sub>O<sub>3</sub>.
format	article
author	Mohamed A. El-Nahal Mohamed Elsafi M. I. Sayyed Mayeen Uddin Khandaker Hamid Osman Basem H. Elesawy Ibrahim H. Saleh Mahmoud I. Abbas
author_facet	Mohamed A. El-Nahal Mohamed Elsafi M. I. Sayyed Mayeen Uddin Khandaker Hamid Osman Basem H. Elesawy Ibrahim H. Saleh Mahmoud I. Abbas
author_sort	Mohamed A. El-Nahal
title	Understanding the Effect of Introducing Micro- and Nanoparticle Bismuth Oxide (Bi<sub>2</sub>O<sub>3</sub>) on the Gamma Ray Shielding Performance of Novel Concrete
title_short	Understanding the Effect of Introducing Micro- and Nanoparticle Bismuth Oxide (Bi<sub>2</sub>O<sub>3</sub>) on the Gamma Ray Shielding Performance of Novel Concrete
title_full	Understanding the Effect of Introducing Micro- and Nanoparticle Bismuth Oxide (Bi<sub>2</sub>O<sub>3</sub>) on the Gamma Ray Shielding Performance of Novel Concrete
title_fullStr	Understanding the Effect of Introducing Micro- and Nanoparticle Bismuth Oxide (Bi<sub>2</sub>O<sub>3</sub>) on the Gamma Ray Shielding Performance of Novel Concrete
title_full_unstemmed	Understanding the Effect of Introducing Micro- and Nanoparticle Bismuth Oxide (Bi<sub>2</sub>O<sub>3</sub>) on the Gamma Ray Shielding Performance of Novel Concrete
title_sort	understanding the effect of introducing micro- and nanoparticle bismuth oxide (bi<sub>2</sub>o<sub>3</sub>) on the gamma ray shielding performance of novel concrete
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/9608229fd81e40ad988a45f0cba1f84d
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Understanding the Effect of Introducing Micro- and Nanoparticle Bismuth Oxide (Bi<sub>2</sub>O<sub>3</sub>) on the Gamma Ray Shielding Performance of Novel Concrete

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