A study of gamma attenuation property of UHMWPE/Bi2O3 nanocomposites

Abdalsalam, Alyaa H.; Sayyed, M.I.; Hussein, Thulfiqar Ali; Şakar, Erdem; Mhareb, M.H.A.; Şakar, Betül Cevi̇z; Alım, Bünyamin; Kaky, Kawa M.

doi:10.1016/j.chemphys.2019.04.013

Cited by 59 publications

(14 citation statements)

References 31 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Another piece of work that deserves special mentions is a study of the gamma attenuation property of UHMWPE/Bi 2 O 3 by Abdalsalam et al 22 , in which samples were fabricated by adding 0.5, 1, 1.5, and 2 wt% of bismuth oxide into ultra-high molecular weight polyethylene and then using hot-press. The results of EDX analysis confirmed that by increasing the amount of bismuth in the composite, an increase of the peak related to bismuth was observed, which indicated the homogeneity and availability of bismuth in the composite.…”

Section: Introductionmentioning

confidence: 99%

Introducing a novel low energy gamma ray shield utilizing Polycarbonate Bismuth Oxide composite

Mehrara

Malekie

Kotahi

et al. 2021

Sci Rep

View full text Add to dashboard Cite

The fabrication of different weight percentages of Polycarbonate-Bismuth Oxide composite (PC-Bi2O3), namely 0, 5, 10, 20, 30, 40, and 50 wt%, was done via the mixed-solution method. The dispersion state of the inclusions into the polymeric matrix was studied through XRD and SEM analyses. Also, TGA and DTA analyses were carried out to investigate the thermal properties of the samples. Results showed that increasing the amount of Bi2O3 into the polymer matrix shifted the glass transition temperature of the composites towards the lower temperatures. Then, the amount of mass attenuation coefficients of the samples were measured using a CsI(Tl) detector for different gamma rays of 241Am, 57Co, 99mTc, and 133Ba radioactive sources. It was obtained that increasing the concentration of the Bi2O3 fillers in the polycarbonate matrix resulted in increasing the attenuation coefficients of the composites significantly. The attenuation coefficient was enhanced twenty-three times for 50 wt% composite in 59 keV energy, comparing to the pure polycarbonate.

show abstract

Section: Introductionmentioning

confidence: 99%

Introducing a novel low energy gamma ray shield utilizing Polycarbonate Bismuth Oxide composite

Mehrara

Malekie

Kotahi

et al. 2021

Sci Rep

View full text Add to dashboard Cite

show abstract

“…Within the range of 400 to 1330 keV, the probability of application of this mechanism was reduced and two other became more dominant, Compton scattering (CS) and pair production (PP) 12 . The PE interaction mechanism is depending upon the energy as E −3.5 , while CS and PP are depending upon the energy as E −1 22 . This marks the explanation of why μ m is reduced very quickly when photon energy is ˂ 400 keV.…”

Section: Resultsmentioning

confidence: 92%

“…However, it was noticed that the dispersion quality of nanofiller into PP differs based on its type. Although the mixing process was done long enough to ensure the uniform dispersion of particles into the matrix, due to the fact that the chemical structure and physical properties of both the polymer and the nanoparticles are different, there are possibilities that particles would have settled down during the mixture heating due to higher density and/or lack of interaction or bonding with polymer pellets 22 . It was clearly observed that the NBent (Figure 5E ) was more easily dispersed in the PP matrix than CdO‐NPs (Figure 5F) and made uniform interconnected networks with it.…”

Section: Resultsmentioning

confidence: 99%

“…12 The PE interaction mechanism is depending upon the energy as E −3.5 , while CS and PP are depending upon the energy as E −1 . 22 This marks the explanation of why μ m is reduced very quickly when photon energy is < 400 keV.…”

Section: Mass Attenuation Coefficients (μ M )mentioning

confidence: 90%

“…20 The γ-ray shielding properties of poly vinyl ester nanocomposites incorporated with different ratios of Pb 2 O 3 nanoparticles were also reported. 21 Abdalsalam et al 22 developed nanocomposite materials consisting of ultrahigh-molecular-weight polyethylene (UHMWPE) incorporated with bismuth oxide nanoparticles (Bi 2 O 3 -NPs). The weight percentages used from the latter material were 0.5, 1.0, 1.5, and 2.0 wt%.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Synergistic effect of nano‐bentonite and nanocadmium oxide doping concentrations on assembly, characterization, and enhanced gamma‐rays shielding properties of polypropylene ternary nanocomposites

et al. 2021

View full text Add to dashboard Cite

It has been confirmed from an experimental, as well as a theoretical, standpoint that metal oxide polymer nanocomposites (MPNCs) represent a new category of advanced materials effective in radiation shielding. In this study, novel (PP/CdO-NPs-NBent) ternary nanocomposites were designed, based on doping polypropylene (PP) with two different nanofillers, namely cadmium oxide nanoparticles (CdO-NPs) and nano-bentonite (NBent), to function as promising alternatives for γ-ray shielding. The PP/(x)CdO(40-x)NBent nanocomposites samples for x = 0.0, 10.0, 20.0, 30.0, and 40.0 wt% filling concentration were fabricated using the compression molding technique. The surface morphology of the nanoparticles, as well as the corresponding nanocomposites, along with their structural and thermal characteristics was studied using TGA, XRD, SEM, and FT-IR. A NaI detector was used along with different γ-ray photon energies

show abstract

Progress in Ionizing Radiation Shielding Materials

Wu,

Wang

2024

Adv Eng Mater

View full text Add to dashboard Cite

The continuous development of ionizing radiation in medical imaging and treatment, nuclear reactors, food irradiation, and other fields is accompanied by potential risks. It protects related equipment and personnel by adopting radiation shielding materials to reduce irradiation. Due to the advancement of science and technology, many high‐performance radiation protection materials have been reported. Ionizing radiation is a complex environment involving X‐ray imaging, radiation therapy, nuclear power operation, and space radiation. Irradiation energy, irradiation type, and the measurement of shielding material have essential effects on shielding efficiency. However, there has not been a general review of the preparations and properties of ionizing radiation shielding materials in the light of different matrixes in recent years. Herein, a comprehensive overview of recent advancements in radiation shielding materials, categorized into alloys, concretes, glasses and ceramics, and polymer composites, is presented. Furthermore, the synthesis methods employed for these materials and their respective radiation shielding properties are discussed. Finally, the current research gap and possible future scope of radiation shielding materials are proposed.

show abstract

A study of gamma attenuation property of UHMWPE/Bi2O3 nanocomposites

Cited by 59 publications

References 31 publications

Introducing a novel low energy gamma ray shield utilizing Polycarbonate Bismuth Oxide composite

Introducing a novel low energy gamma ray shield utilizing Polycarbonate Bismuth Oxide composite

Synergistic effect of nano‐bentonite and nanocadmium oxide doping concentrations on assembly, characterization, and enhanced gamma‐rays shielding properties of polypropylene ternary nanocomposites

Progress in Ionizing Radiation Shielding Materials

Contact Info

Product

Resources

About