Neutron and gamma-ray shielding effectiveness of novel polyaniline composites

Deniz Agehan Kahraman*, Fatma Tuba Cogalmis, Ayse Nur Esen, Sevilay Haciyakupoglu, Bahire Filiz Senkal

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2 Atıf (Scopus)

Özet

This study uses experimental, theoretical, and Monte Carlo simulation techniques to investigate the neutron and gamma-ray shielding performances of polyaniline-based composites filled with different amounts of formic acid, boron nitride, and boric acid. The radiation shielding performances of composites were evaluated at neutron energies of 0.025 eV, 1 keV, and 10 MeV, and gamma-ray energy of 662 keV. The study found that the composite material made of polyaniline and boron nitride with a higher percentage of boron has better thermal neutron shielding properties than other polyaniline composites. The research also showed that a polyaniline-boric acid composite with a thickness of 1.6 mm can reduce thermal neutrons by 64.5%. As a result, the composite containing equal amounts of polyaniline and boric acid was identified as the most promising material for shielding. The macroscopic cross-sections of neutrons and mass attenuation coefficients of gamma-rays were found to have expanded uncertainties up to 13.47% and 7.11%, respectively. The factors contributing to the uncertainty of the experimental, theoretical, and simulation results were identified, evaluated, and shown how to include uncertainty components in the uncertainty budget.

Orijinal dilİngilizce
Makale numarası111675
DergiRadiation Physics and Chemistry
Hacim219
DOI'lar
Yayın durumuYayınlandı - Haz 2024

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Publisher Copyright:
© 2024 Elsevier Ltd

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