Results 21 to 30 of about 15,587 (228)

A Systematical Characterization of TeO₂–V₂O₅ Glass System Using Boron (III) Oxide and Neodymium (III) Oxide Substitution: Resistance Behaviors against Ionizing Radiation

Applied Sciences, 2021
This study aimed to perform an extensive characterization of a 74.75TeO2–0.25V2O5–(25 − x)B2O3-xNd2O3 glass system with (x = 0, 0.5, 1.0, and 1.5 mol%) for radiation shielding properties. Linear and mass attenuation coefficients were determined using Phy-
H. O. Tekin, Shams A. M. Issa, G. Kilic, Hesham M. H. Zakaly, N. Tarhan, H. A. A. Sidek, K. A. Matori, M. H. M. Zaid   +7 more
doaj   +1 more source

Development of high-performance heavy density concrete using different aggregates for gamma-ray shielding

HBRC Journal, 2015
The performance requirements of the concrete of containment structures are mainly radiological protection, structural integrity, durability, etc. For this purpose, high-performance heavy density concrete can be used. After extensive trials and errors, 15
Ahmed S. Ouda
doaj   +1 more source

Investigation on radiation shielding parameters of cerrobend alloys

Nuclear Engineering and Technology, 2017
In this study, to determine the most effective alloy for shielding against gamma-rays, the gamma-ray shielding parameters of six types of cerrobend alloys have been investigated.
Borhan Tellili, Youssef Elmahroug, Chedly Souga   +2 more
doaj   +1 more source

Calculation of gamma-ray attenuation parameters for locally developed shielding material: Polyboron

Journal of Radiation Research and Applied Sciences, 2016
In the present study, the mass attenuation coefficient (μm) has been calculated analytically for a locally developed shielding material, polyboron, and compared with the values obtained from the WinXCom code, a Windows version of the XCOM database at the
Ripan Biswas, Hossain Sahadath, Abdus Sattar Mollah, Md. Fazlul Huq   +3 more
doaj   +1 more source

Effect of high temperature on the radiation shielding properties of cementitious composites containing nano- Bi2O3

Journal of Materials Research and Technology, 2020
In this study, the effect of various temperatures at 25, 200, 400, and 600 °C, on the mechanical and gamma ray shielding properties of heavy-weight concrete (HC) with various content of Nano Bismuth Oxide (NB) at levels of 0, 2, 4 and 6% were determined.
Iman M. Nikbin, Ahmad Rafiee, Soudabeh Dezhampanah, Sadegh Mehdipour, Reza Mohebbi, Hamid Habibi Moghadam, Ali Sadrmomtazi   +6 more
doaj   +1 more source

Epoxy-reinforced heavy metal oxides for gamma ray shielding purposes

Open Chemistry, 2023
Epoxy resins with varying amounts of MoO3 were theoretically investigated for their radiation shielding ability at low energies (between 0.0395 and 0.344 MeV). The quantity of MoO3 varied from 0 to 30%, and relevant shielding parameters were obtained and
Almuqrin Aljawhara H., Aloraini Dalal Abdullah, Abualsayed Mohammad Ibrahim   +2 more
doaj   +1 more source

Gamma-ray attenuation characteristics of polypropylene filled with nano-sized and bulk Bi2O3 and CuO [PDF]

Nuclear Technology and Radiation Protection
Polypropylene was produced using compression molding and combined with bulk Bi2O3/CuO, and Bi2O3/CuO nanocomposites at various filler weight fractions (0%, 5%, 10%, 15%, and 20%).
Gouda Mona M., Shebly Mona, Habanjar Khulud, Obeid Amro, Awad Ramadan, Badawi Mohamed S.   +5 more
doaj   +1 more source

Analysis of particle size on mass dependent attenuation capability of bulk and nanoparticle PbO radiation shields

Results in Physics, 2021
This study aims to evaluate the effect of particle size on the mass dependent attenuation ability of bulk and nanoparticles PbO. The mass attenuation coefficient, or MAC, of the samples was experimentally calculated using the HPGe detector at various ...
M. Elsafi, M.I. Sayyed, Aljawhara H. Almuqrin, M.M. Gouda, A.M. El-khatib   +4 more
doaj   +1 more source

In Situ Micromechanical Study of Bimodal γ′–γ″ Precipitate Assemblies in Ni–Cr–Al–Nb Superalloy

Advanced Engineering Materials, EarlyView.
A Ni–Cr–Al–Nb superalloy with a bimodal γ′–γ″ precipitate distribution is developed. Composite precipitate assemblies form through heterogeneous nucleation, effectively impeding dislocation motion. Micropillar compression reveals high strength at room and elevated temperatures, governed by precipitate shearing, with coupled faulting mechanisms ...
Ujjval Bansal, Tae‐Hyeok Kang, Pyuck‐Pa Choi, Subin Lee, Christoph Kirchlechner   +4 more
wiley   +1 more source

The influence of PbO and Bi2O3 on the radiation shielding and elastic features for different glasses

Journal of Materials Research and Technology, 2020
The radiation shielding effects and elastic properties of adding lead (Pb) and bismuth (Bi) to glasses was analyzed. Six different glasses, coded as G1-G6, were simulated with varying compositions of bismuth oxide and lead oxide, with G1 having the ...
Mohammed Abu Al Sayyed, Mohd Hafiz Mohd Zaid, Nuraidayanie Effendy, Khamirul Amin Matori, Hj Ab Aziz Sidek, Eloic Lacomme, Karim Al Mahmoud, Maha Mohammed AlShammari   +7 more
doaj   +1 more source