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Compositional effects on the properties of high nitrogen content alkaline-earth silicon oxynitride glasses, AE = Mg, Ca, Sr, Ba
Linnaeus University, Faculty of Science and Engineering, School of Engineering. (Glass group)
Linnaeus University, Faculty of Science and Engineering, School of Engineering. (Glass group)ORCID iD: 0000-0002-6020-3227
2011 (English)In: Journal of the European Ceramic Society, ISSN 0955-2219, E-ISSN 1873-619X, Vol. 31, no 4, p. 611-618Article in journal (Refereed) Published
Abstract [en]

A series of alkaline-earth element containing high nitrogen content oxynitride glasses (AESiON), with AE = Mg, Ca, Sr, Ba, were prepared in order to investigate the compositional effects on the physical properties of the alkaline-earth element. The physical properties were found to change linearly with the concentration of AE elements. The density of the glasses increases substantially with an increase in the AE atomic mass and slightly with an increase in nitrogen ratio. Ba containing glasses shows the value of density 4.16 g/cm3. Glass transition temperatures are found to be higher for Mg glasses, ca. 1020 °C, in comparison with Ba glasses, ca. 895 °C. The hardness of Mg containing glasses shows high values, up to 12.2 GPa and decreases for Ca, Sr and Ba containing glasses. Ba, containing glasses shows high values of refractive index in comparison with the Sr, Ca and Mg containing glasses.

Place, publisher, year, edition, pages
2011. Vol. 31, no 4, p. 611-618
Keywords [en]
Oxynitride glass; Alkaline-earth modifier; High nitrogen content; Hardness; Refractive index
National Category
Engineering and Technology
Research subject
Technology (byts ev till Engineering), Glass Technology
Identifiers
URN: urn:nbn:se:lnu:diva-10100DOI: 10.1016/j.jeurceramsoc.2010.11.005Scopus ID: 2-s2.0-78650307688OAI: oai:DiVA.org:lnu-10100DiVA, id: diva2:388484
Available from: 2011-01-17 Created: 2011-01-17 Last updated: 2020-05-25Bibliographically approved

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Ali, SharafatJonson, Bo

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CiteExportLink to record
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