The Influence of CoO/P<sub>2</sub>O<sub>5</sub> Substitutions on the Structural, Mechanical, and Radiation Shielding of Boro-Phosphate Glasses
A new glass system (50−x)P<sub>2</sub>O<sub>5</sub>–20B<sub>2</sub>O<sub>3</sub>–5Al<sub>2</sub>O<sub>3</sub>–25Na<sub>2</sub>O–xCoO was manufactured using a standard melt quenching procedure, where 1≤ x ≤ 12 mol%. T...
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| author | Ahmed M. A. Mostafa Mohamed A. M. Uosif Ziyad A. Alrowaili Reda Elsaman Ahmed A. Showahy Yasser B. Saddeek Shams A. M. Issa Antoaneta Ene Hesham M. H. Zakaly |
| author_facet | Ahmed M. A. Mostafa Mohamed A. M. Uosif Ziyad A. Alrowaili Reda Elsaman Ahmed A. Showahy Yasser B. Saddeek Shams A. M. Issa Antoaneta Ene Hesham M. H. Zakaly |
| author_sort | Ahmed M. A. Mostafa |
| collection | DOAJ |
| description | A new glass system (50−x)P<sub>2</sub>O<sub>5</sub>–20B<sub>2</sub>O<sub>3</sub>–5Al<sub>2</sub>O<sub>3</sub>–25Na<sub>2</sub>O–xCoO was manufactured using a standard melt quenching procedure, where 1≤ x ≤ 12 mol%. The characteristics of boro-phosphate-glasses containing CoO have been studied. The effect of CoO on the radiation-protective properties of glasses was established. The density of the prepared glasses as a function of CoO increased. XRD was used to check the vitreous structure of samples. Fourier-transform infrared (FTIR) spectroscopy was used to study the structure of each sample. FTIR demonstrated that connections grew as CoO/P<sub>2</sub>O<sub>5</sub> levels increased, and the FTIR spectra shifted to higher wavenumbers. The increment of CoO converts non-bridging oxygens associated with phosphate structural units into bridging oxygens. This process increases the concentration of BO<sub>4</sub> structural units and creates new, strong and stable bonds B–O–P, i.e., there is polymerization of the boro-phosphate glass network. With an increase in the ratio of CoO/P<sub>2</sub>O<sub>5</sub> in the produced samples, ultrasonic velocities and elastic moduli were observed to increase. The coefficients of linear and mass attenuation, the transmittance of photons in relation to the photon energy, the efficiency of radiation protection in relation to the photon energy, and the thickness of the absorber were modeled using these two methods (experimental and theoretical). From the obtained values, it can be concluded that the 12Co sample containing 12 mol% will play the most influential role in radiation protection. An increase in the content of cobalt-I oxide led to a significant increase in the linear and mass attenuation coefficient values, which directly contributes to the development of the radiation-protective properties of glass. |
| first_indexed | 2024-03-10T05:58:06Z |
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| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-10T05:58:06Z |
| publishDate | 2021-11-01 |
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| series | Materials |
| spelling | doaj.art-c085f7ead3f84c7eac088428f4caa37b2023-11-22T21:15:01ZengMDPI AGMaterials1996-19442021-11-011421663210.3390/ma14216632The Influence of CoO/P<sub>2</sub>O<sub>5</sub> Substitutions on the Structural, Mechanical, and Radiation Shielding of Boro-Phosphate GlassesAhmed M. A. Mostafa0Mohamed A. M. Uosif1Ziyad A. Alrowaili2Reda Elsaman3Ahmed A. Showahy4Yasser B. Saddeek5Shams A. M. Issa6Antoaneta Ene7Hesham M. H. Zakaly8Physics Department, College of Science, Jouf University, Sakaka P.O. Box 2014, Saudi ArabiaPhysics Department, College of Science, Jouf University, Sakaka P.O. Box 2014, Saudi ArabiaPhysics Department, College of Science, Jouf University, Sakaka P.O. Box 2014, Saudi ArabiaPhysics Department, Faculty of Science, Al-Azhar University, Assiut 71524, EgyptPhysics Department, Faculty of Science, Al-Azhar University, Assiut 71524, EgyptPhysics Department, Faculty of Science, Al-Azhar University, Assiut 71524, EgyptPhysics Department, Faculty of Science, Al-Azhar University, Assiut 71524, EgyptINPOLDE Research Center, Department of Chemistry, Physics and Environment, Faculty of Sciences and Environment, Dunarea de Jos University of Galati, 47 Domneasca Street, 800008 Galati, RomaniaPhysics Department, Faculty of Science, Al-Azhar University, Assiut 71524, EgyptA new glass system (50−x)P<sub>2</sub>O<sub>5</sub>–20B<sub>2</sub>O<sub>3</sub>–5Al<sub>2</sub>O<sub>3</sub>–25Na<sub>2</sub>O–xCoO was manufactured using a standard melt quenching procedure, where 1≤ x ≤ 12 mol%. The characteristics of boro-phosphate-glasses containing CoO have been studied. The effect of CoO on the radiation-protective properties of glasses was established. The density of the prepared glasses as a function of CoO increased. XRD was used to check the vitreous structure of samples. Fourier-transform infrared (FTIR) spectroscopy was used to study the structure of each sample. FTIR demonstrated that connections grew as CoO/P<sub>2</sub>O<sub>5</sub> levels increased, and the FTIR spectra shifted to higher wavenumbers. The increment of CoO converts non-bridging oxygens associated with phosphate structural units into bridging oxygens. This process increases the concentration of BO<sub>4</sub> structural units and creates new, strong and stable bonds B–O–P, i.e., there is polymerization of the boro-phosphate glass network. With an increase in the ratio of CoO/P<sub>2</sub>O<sub>5</sub> in the produced samples, ultrasonic velocities and elastic moduli were observed to increase. The coefficients of linear and mass attenuation, the transmittance of photons in relation to the photon energy, the efficiency of radiation protection in relation to the photon energy, and the thickness of the absorber were modeled using these two methods (experimental and theoretical). From the obtained values, it can be concluded that the 12Co sample containing 12 mol% will play the most influential role in radiation protection. An increase in the content of cobalt-I oxide led to a significant increase in the linear and mass attenuation coefficient values, which directly contributes to the development of the radiation-protective properties of glass.https://www.mdpi.com/1996-1944/14/21/6632polymerization of the boro-phosphate glass networkCoO/P<sub>2</sub>O<sub>5</sub>radiation protection |
| spellingShingle | Ahmed M. A. Mostafa Mohamed A. M. Uosif Ziyad A. Alrowaili Reda Elsaman Ahmed A. Showahy Yasser B. Saddeek Shams A. M. Issa Antoaneta Ene Hesham M. H. Zakaly The Influence of CoO/P<sub>2</sub>O<sub>5</sub> Substitutions on the Structural, Mechanical, and Radiation Shielding of Boro-Phosphate Glasses Materials polymerization of the boro-phosphate glass network CoO/P<sub>2</sub>O<sub>5</sub> radiation protection |
| title | The Influence of CoO/P<sub>2</sub>O<sub>5</sub> Substitutions on the Structural, Mechanical, and Radiation Shielding of Boro-Phosphate Glasses |
| title_full | The Influence of CoO/P<sub>2</sub>O<sub>5</sub> Substitutions on the Structural, Mechanical, and Radiation Shielding of Boro-Phosphate Glasses |
| title_fullStr | The Influence of CoO/P<sub>2</sub>O<sub>5</sub> Substitutions on the Structural, Mechanical, and Radiation Shielding of Boro-Phosphate Glasses |
| title_full_unstemmed | The Influence of CoO/P<sub>2</sub>O<sub>5</sub> Substitutions on the Structural, Mechanical, and Radiation Shielding of Boro-Phosphate Glasses |
| title_short | The Influence of CoO/P<sub>2</sub>O<sub>5</sub> Substitutions on the Structural, Mechanical, and Radiation Shielding of Boro-Phosphate Glasses |
| title_sort | influence of coo p sub 2 sub o sub 5 sub substitutions on the structural mechanical and radiation shielding of boro phosphate glasses |
| topic | polymerization of the boro-phosphate glass network CoO/P<sub>2</sub>O<sub>5</sub> radiation protection |
| url | https://www.mdpi.com/1996-1944/14/21/6632 |
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