Journal
JOURNAL OF NON-CRYSTALLINE SOLIDS
Volume 532, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jnoncrysol.2019.119882
Keywords
Borate glass; wO(3); Radiation shielding; Elastic moduli
Funding
- Jouf University-Saudi Arabia [180/40]
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The melt quench technique was used to fabricate the (25-x)Li2O-75B(2)O(3)-xWO(3) (x = 1, 3, 5 and 7.5 mol%). The mass attenuation coefficients (mu m) of the studied glasses were obtained by using the Gamma (gamma) rays spectrometer (CANBERRA photo multiplier tube base model 802) which includes a detector (3 x 3 in.) NaI(Tl) crystal and the multichannel analyzer. The measured values have been compared with XCOM program at selected photon energies. Geometric progression (G-P) fitting method has been used to calculate the exposure build-up factor (EBF) and energy absorption build-up factor (EABF) in the energy range of 0.015-15 MeV. Moreover, EBF and EABF values have been applied to compute the specific fraction of absorbed energy (S-fac) and relative dose distribution (R-dd). The pulse-echo technique has been used to measure the elastic moduli for glass samples. The TBL4 glass sample shows the highest mu(m), effective atomic number (Z(eff)) and Young moduli values and lowest half value layer (HVL), mean free path (MFP), EBF, EABF, S-fae and R-dd values. The results of this investigations revealed that the fabricated TBL4 glass sample could be potentially utilized as an efficient and desirable kind of glass material as gamma shield to reduce the deleterious effects of radiation.
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