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Impact of mixed-alkaline earth effect on the structure and dissolution behavior of borate glasses
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Tamraz, Rokia. Impact of mixed-alkaline earth effect on the structure and dissolution behavior of borate glasses. Retrieved from https://doi.org/doi:10.7282/t3-xsam-d530

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TitleImpact of mixed-alkaline earth effect on the structure and dissolution behavior of borate glasses
NameTamraz, Rokia (author); Goel, Ashutosh (chair); Klein, Lisa (member); Goel, Ashutosh (member); Lehman, Richard (member); Rutgers University; School of Graduate Studies
Date Created2023
Other Date2023-01 (degree)
SubjectMaterials Science, Alkaline earth effect, Bioactive glasses, Dissolution behavior, Glass science
Extent52 pages : illustrations
DescriptionA suite of state-of-the-art spectroscopic techniques has been employed to understand theimpact of varying the Sr2+/ Ca2+ ratio on the structure and dissolution behavior (pH = 7) of borate glasses. The glasses tend to dissolve congruently leading to a complete breakdown of the borate network. Dissolution kinetics were found to increase with increasing Sr2+/Ca2+ ratio, but the trend was not a linear function of glass composition. Raman and 11B MAS NMR spectroscopy results indicate that varying the Sr2+/Ca2+ ratios has a minimal impact on borate speciation in the glass structure. However, it does impact the superstructural arrangement of borate units in the glass structure. Therefore, the dissolution kinetics appear to be governed by the impact of the ionic field strength of the alkaline-earth modifier on the volume of the borate network, which in turn dictates the kinetics of hydration reactions in the glass structure.
NoteM.S.
NoteIncludes bibliographical references
Genretheses
Persistent URLhttps://doi.org/doi:10.7282/t3-xsam-d530
LanguageEnglish
CollectionSchool of Graduate Studies Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work.
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