Effect of Boron Incorporation on the Mechanical, and Radiation Shielding Behaviors of Borosilicate Bioactive Glasses

The current research report aimed the use of a bioactive glass systems of the chemical composition (80-x)SiO2-15CaO-5P(2)O(5)-xB(2)O(3); 0 (MBG) & LE; x & LE; 15 (15.0B-MBG) mol% as radiation protection candidate for & gamma;-rays. The density (& rho;) of the investigated glasses reduced slightly from 2.6785 to 2.6637 g/cm(3) and the molar volume (V-m) increased from 23.7353 to 24.4042 cm(3)/mol. The mass attenuation coefficient (MAC) for photon energies ranging from 15 keV to 100 keV using the XCOM code and Phys-X software was estimated. The highest discrepancy among the MAC values calculated by XCOM and Phys-X was found less than 2.5% at 15.0 keV and 5% at 100 keV. In terms of the effective-atomic-number (Z(eff)), it found that the sample encoded as MBG had the uppermost Z(eff). In general, the analysis showed that the selected MBG-15.0B-MBG glasses provide adequate protection against low-energy photons (i.e., E < 30 keV), but their shielding ability decreases at high energies (60 < E < 100 keV). In addition, the various elastic-mechanical intrinsic of samples were calculated, including the total dissociation energy (G), which decreased from 65.425 to 57.565 kJ/cm(3) as the B2O3 content increased from 0.0 to 15.0 mol%. The Poisson's ratio (& sigma;) improved from 0.41253 to 0.41603 and Young's modulus reduced from 79.110 to 72.510 GPa. Results shows a significantly impact of B2O3 insertion into the investigated glasses network.

Journal

SILICON

Year

2023

Volume

15

Issue

16

Pages

7137-7145

ISSN

1876-990X

eISSN

1876-9918

DOI

10.1007/s12633-023-02562-9

WoS UID

WOS:001016464500001