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Geant4 Simulation of the Effect of Different Composites on Polyimide Photon and Neutron Shielding Properties

Polymers are widely used materials that have many medical and industrial applications. Some polymers have even been introduced as radiation-shielding materials; therefore, many studies are focusing on new polymers and their interactions with photons and neutrons. Research has recently focused on the...

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Autores principales: Akhdar, Hanan, Alotaibi, Rawan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10145152/
https://www.ncbi.nlm.nih.gov/pubmed/37112120
http://dx.doi.org/10.3390/polym15081973
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author Akhdar, Hanan
Alotaibi, Rawan
author_facet Akhdar, Hanan
Alotaibi, Rawan
author_sort Akhdar, Hanan
collection PubMed
description Polymers are widely used materials that have many medical and industrial applications. Some polymers have even been introduced as radiation-shielding materials; therefore, many studies are focusing on new polymers and their interactions with photons and neutrons. Research has recently focused on the theoretical estimation of the shielding effectiveness of Polyimide doped with different composites. It is well known that theoretical studies on the shielding properties of different materials through modeling and simulation have many benefits, as they help scientists to choose the right shielding material for a specific application, and they are also much more cost-effective and take much less time compared to experimental studies. In this study, Polyimide (C(35)H(28)N(2)O(7)) was investigated. It is a high-performance polymer, well known for its outstanding chemical and thermal stability, as well as for its high mechanical resistance. Because of its exceptional properties, it is used in high-end applications. The performance of Polyimide and Polyimide doped with different weight fractions of composites (5, 10, 15, 20 and 25 wt.%) as a shielding material against photons and neutrons were investigated using a Monte Carlo-based simulation toolkit Geant4 within a wide range of energies of both photons and neutrons from 10 to 2000 KeVs. Polyimide can be considered a good neutron shielding material, and its photon shielding abilities could be further enhanced when adding different high atomic number composites to it. The results showed that Au and Ag gave the best results in terms of the photon shielding properties, while ZnO and TiO(2) had the least negative effect on the neutron shielding properties. The results also indicate that Geant4 is a very reliable tool when it comes to evaluating the shielding properties against photons and neutrons of any material.
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spelling pubmed-101451522023-04-29 Geant4 Simulation of the Effect of Different Composites on Polyimide Photon and Neutron Shielding Properties Akhdar, Hanan Alotaibi, Rawan Polymers (Basel) Article Polymers are widely used materials that have many medical and industrial applications. Some polymers have even been introduced as radiation-shielding materials; therefore, many studies are focusing on new polymers and their interactions with photons and neutrons. Research has recently focused on the theoretical estimation of the shielding effectiveness of Polyimide doped with different composites. It is well known that theoretical studies on the shielding properties of different materials through modeling and simulation have many benefits, as they help scientists to choose the right shielding material for a specific application, and they are also much more cost-effective and take much less time compared to experimental studies. In this study, Polyimide (C(35)H(28)N(2)O(7)) was investigated. It is a high-performance polymer, well known for its outstanding chemical and thermal stability, as well as for its high mechanical resistance. Because of its exceptional properties, it is used in high-end applications. The performance of Polyimide and Polyimide doped with different weight fractions of composites (5, 10, 15, 20 and 25 wt.%) as a shielding material against photons and neutrons were investigated using a Monte Carlo-based simulation toolkit Geant4 within a wide range of energies of both photons and neutrons from 10 to 2000 KeVs. Polyimide can be considered a good neutron shielding material, and its photon shielding abilities could be further enhanced when adding different high atomic number composites to it. The results showed that Au and Ag gave the best results in terms of the photon shielding properties, while ZnO and TiO(2) had the least negative effect on the neutron shielding properties. The results also indicate that Geant4 is a very reliable tool when it comes to evaluating the shielding properties against photons and neutrons of any material. MDPI 2023-04-21 /pmc/articles/PMC10145152/ /pubmed/37112120 http://dx.doi.org/10.3390/polym15081973 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Akhdar, Hanan
Alotaibi, Rawan
Geant4 Simulation of the Effect of Different Composites on Polyimide Photon and Neutron Shielding Properties
title Geant4 Simulation of the Effect of Different Composites on Polyimide Photon and Neutron Shielding Properties
title_full Geant4 Simulation of the Effect of Different Composites on Polyimide Photon and Neutron Shielding Properties
title_fullStr Geant4 Simulation of the Effect of Different Composites on Polyimide Photon and Neutron Shielding Properties
title_full_unstemmed Geant4 Simulation of the Effect of Different Composites on Polyimide Photon and Neutron Shielding Properties
title_short Geant4 Simulation of the Effect of Different Composites on Polyimide Photon and Neutron Shielding Properties
title_sort geant4 simulation of the effect of different composites on polyimide photon and neutron shielding properties
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10145152/
https://www.ncbi.nlm.nih.gov/pubmed/37112120
http://dx.doi.org/10.3390/polym15081973
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