Structure, Radiation Shielding Characteristics, Bioactive Studies and Artificial Intelligence Density Prediction of Mixed Alkali B2O3-SiO2-CaO-ZnO Glasses

• Published in: SILICON 2023-12, Vol.15 (18), p.7979-7993
• Main Authors: Ahmed Mahmoodi, M. M., Ahmmad, Shaik Kareem, Ramadevudu, G., Rammah, Y. S., Laxman Naik, J.
• Format: Article
• Language: English
• Subjects: Artificial intelligence; Artificial neural networks; Atomic properties; Attenuation coefficients; Bioglass; Biomedical materials; Body fluids; Boron oxides; Calcite; Chemistry; Chemistry and Materials Science; Density; Environmental Chemistry; Hydroxyapatite; Inorganic Chemistry; Lasers; Lithium oxides; Materials Science; Optical Devices; Optics; Photonics; Photons; Polymer Sciences; Polynomials; Radiation; Radiation shielding; Regression models; Silicon dioxide; Spectra; Zinc oxide
• ISSN: 1876-990X; 1876-9918
• DOI: 10.1007/s12633-023-02645-7

The melt quenching technique was utilized to prepare a novel mixed alkali bioglass composition, denoted as 30B 2 O 3 –20SiO 2 –xNa 2 O–(20–x)Li 2 O–20CaO–10ZnO, where x = 0,5,10,and 20 and samples codes were BSCZ0, BSCZ5, BSCZ10, BSCZ15 and BSCZ20. The sample code of present samples indicate as BSCZ0 to The glass properties were evaluated using density, FTIR, and radiation shielding capacity, and the simulated body fluid (SBF) solution was prepared according to Kokubo’s method. The bio-activeness of the prepared glasses was confirmed by XRD and FTIR spectra, which exhibited crystalline peaks at various reflections due to the formation of calcite and hydroxyapatite layers on the glass surface. The FTIR spectra revealed the formation of hydroxyapatite layers after fourteen days of SBF treatment, as evidenced by the strong intensive peaks around 1020 cm −1 . The experimental density values vary between 3.1926 g/cc to 3.1605 g/cc. The glass density decreased with increasing Na 2 O content due to the decreasing number density correlated to the alkali content. To predict the glass density, an artificial intelligence density model was applied to the present glasses, which utilized 10,000 oxide glass samples. Among the different regression models tested, random forest regression produced the best R 2 value (0.917), followed by artificial neural network and polynomial regression. In the case of RFR the predicted density values varies from 3.1626 g/cc to 3.1305 g/cc which were closer values to the experimental density values. The radiation shielding properties of present glasses studied by Phy-X/PSD program and simulated by FLUKA code in the photon energy range of 0.015–15 MeV. Results show that there is a good agreement between the obtained results. BSCZ0, which was free of Na 2 O, exhibited the highest values of mass (µ m ) and linear (µ) attenuation coefficients compared to all other glasses, and the effective atomic number (Z eff ) achieved the same trend as µm and µ. Sample BSCZ0 also exhibited the lowest values of half value layer (HVL) parameter at all incident photon energies.