Photon and neutron absorbing capacity of titanate-reinforced borate glasses: B2O3–Li2O–Al2O3–TiO2

The photon and neutron absorbing capacity of titanate-doped borate glasses: 65B 2 O 3 –30Li 2 O–5Al 2 O 3 – x TiO 2 : x  = 0–30 mol% coded as G1–G7 were investigated via WinXCOM and EXABCal computer codes. Mass ( µ m ) and linear (LAC) attenuation coefficients, mean-free path (MFP), half-value thick...

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Bibliographic Details
Published in:Journal of materials science. Materials in electronics 2021-03, Vol.32 (6), p.7377-7390
Main Authors: Rammah, Y. S., Olarinoye, I. O., El-Agawany, F. I., Akkurt, Iskender, Yousef, E.
Format: Article
Language:English
Subjects:
Aluminum oxide
Attenuation coefficients
Boron oxides
Characterization and Evaluation of Materials
Charged particles
Chemistry and Materials Science
Fast neutrons
Ionizing radiation
Lithium oxides
Materials Science
Neutron absorbers
Optical and Electronic Materials
Photons
Radiation
Radiation shielding
Science
Titanium dioxide
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Summary:The photon and neutron absorbing capacity of titanate-doped borate glasses: 65B 2 O 3 –30Li 2 O–5Al 2 O 3 – x TiO 2 : x  = 0–30 mol% coded as G1–G7 were investigated via WinXCOM and EXABCal computer codes. Mass ( µ m ) and linear (LAC) attenuation coefficients, mean-free path (MFP), half-value thickness (HVT), buildup factors (EABUF and EBUF), and the relative fast neutron absorbing efficacy were investigated. The maximum value of µ m at 15 keV was 1.68, 2.976, 4.119, 5.134, 6.042, 6.856, and 7.593 cm 2 /g for G1, G2, G3, G4, G5, G6, and G7, respectively. For energies below 0.1 MeV and above 10 meV, µ m values vary according to the order (G1) µm   (G1) LAC . The trend of the MFP increases among the glasses follows a reverse order as that of LAC: (G1) MFP  > (G2) MFP  > (G3) MFP  > (G4) MFP  > (G5) MFP  > (G6) MFP  > (G7) MFP . The HVT of the glasses follow the order: (G1) HVT  > (G2) HVT  > (G3) HVT  > (G4) HVT  > (G5) HVT  > (G6) HVT  > (G7) HVT . EABUF and EBUF increase in the order (G1) (EABUF, EBUF)  > (G2) (EABUF, EBUF)  > (G3) (EABUF, EBUF)  > (G4) (EABUF, EBUF)  > (G5) (EABUF, EBUF)  > (G6) (EABUF, EBUF)  > (G7) (EABUF, EBUF) . The investigated glasses (G1–G7) are better fast neutron absorbers compared to ordinary concrete and water. Results revealed that higher titanate doping concentrations produced better photon and fast neutron shielding capacities. Therefore, the investigated glasses showed superior shielding efficacy when compared with some traditional shielding materials; consequently, the G1–G7 glasses are recommended for use as ionizing radiation shields.
ISSN:0957-4522
1573-482X
DOI:10.1007/s10854-021-05447-y