Abstract
Seven bioactive glasses in the system (50-x) B2O3–4P2O5–26CaO–20Na2O-xZnO: (x = 0–15 mol%) have been produced using melt quenching route. The prepared samples coded as BG1-BG7. The physical properties, average optical basicity, electronegativity, electronic polarizability, and radiation attenuation competence of the BG1-BG7 glasses have been examined. Non-crystalline state of samples confirmed via the XRD measurements. Density increased from 2.6274 g/cm3 to 2.9406 g/cm3 for BG1 to BG7 samples. The average optical basicity (˄th) changed from 0.748 to 0.838, electronic polarizability, (α0−2) enhanced from 1.812 to 2.008, while electronegativity, (χav) reduced from 2.352 to 2.245 as ZnO increased from 0 to 15 mol%. The BG1 sample possessed the lowest values of both mass (MAC) –linear (LAC) -attenuation coefficients, while BG7 possessed the highest values. The sample contains higher ratio of ZnO (BG7) possessed the lowest values of half-value layer (HVL) and mean free path (MFP) among all BG-samples. Also, the HVL and MFP of all BG-samples were less than that of ordinary concrete (OC). The proposed bioactive samples can apply for several of medical applications.
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