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Hardness, elastic modulus and refractive index of oxynitride glasses prepared from woody biofuel ashes
Science and Technology Division, Corning Incorporated, Corning, NY, United States.
Jönköping University, School of Engineering, JTH, Materials and Manufacturing. Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.ORCID iD: 0000-0001-5753-4052
Jönköping University, School of Engineering, JTH, Materials and Manufacturing. Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.ORCID iD: 0000-0001-6481-5530
School of Engineering, Department of Built Environment and Energy Technology, Linnæus University, Växjö, Sweden.
2017 (English)In: European Journal of Glass Science and Techology. Part B. Physics and Chemistry of Glasses, ISSN 1753-3562, Vol. 58, no 6, p. 231-236Article in journal (Refereed) Published
Abstract [en]

This paper reports the hardness, elastic modulus and refractive index values of the oxynitride glasses prepared from woody biofuel ashes. The glasses were prepared in nitrogen atmosphere at 1350-1500°C with addition of Ca metal as a precursor to the extra addition of this modifier. The glasses were homogenous, but appeared translucent grey to black. They contained up to 23 eq% of Ca and 5 eq% of N. The glass densities vary slightly between 2·76 to 2·92 g/cm3. The molar volume and compactness values vary between 8·01 cm3/mol to 8·31 cm3/mol and 0·446 to 0·462 respectively. Mechanical properties like hardness and reduced elastic modulus show values, up to 10 and 105 GPa, respectively. These properties are strongly correlated with the amount of N in the glass. The refractive index (1·54-1·75) increases with increasing N and Ca contents.

Place, publisher, year, edition, pages
Society of Glass Technology , 2017. Vol. 58, no 6, p. 231-236
Keywords [en]
Biofuels, Calcium, Elastic moduli, Glass, Hardness, Nitrides, Biofuel ashes, Glass density, Nitrogen atmospheres, Oxynitride glass, Reduced elastic modulus, Refractive index
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:hj:diva-38297DOI: 10.13036/17533562.58.6.039ISI: 000415784300001Scopus ID: 2-s2.0-85033780200Local ID: JTHMaterialISOAI: oai:DiVA.org:hj-38297DiVA, id: diva2:1169493
Available from: 2017-12-27 Created: 2017-12-27 Last updated: 2018-09-11Bibliographically approved

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Bogdanoff, ToniSeifeddine, Salem

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