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Hardness, elastic m...
Hardness, elastic modulus and refractive index of oxynitride glasses prepared from woody biofuel ashes
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- Ali, Sharafat, 1976- (author)
- Linnéuniversitetet,Institutionen för byggd miljö och energiteknik (BET),Glass group,Science and Technology Division, Corning Incorporated, Corning, NY, United States
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- Bogdanoff, Toni (author)
- Jönköping University,JTH, Material och tillverkning,JTH. Forskningsmiljö Material och tillverkning – Gjutning
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- Seifeddine, Salem, 1978- (author)
- Jönköping University,JTH, Material och tillverkning,JTH. Forskningsmiljö Material och tillverkning – Gjutning
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- Jonson, Bo, 1958- (author)
- Linnéuniversitetet,Institutionen för byggd miljö och energiteknik (BET),Glass group,School of Engineering, Department of Built Environment and Energy Technology, Linnæus University, Växjö, Sweden
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(creator_code:org_t)
- 2017-11-22
- 2017
- English.
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In: European Journal of Glass Science and Techology. Part B. Physics and Chemistry of Glasses. - : Society of Glass Technology. - 1753-3562 .- 1750-6689. ; 58:6, s. 231-236
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- 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.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Keramteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Ceramics (hsv//eng)
Keyword
- Biofuels
- Calcium
- Elastic moduli
- Glass
- Hardness
- Nitrides
- Biofuel ashes
- Glass density
- Nitrogen atmospheres
- Oxynitride glass
- Reduced elastic modulus
- Refractive index
- Glasteknologi
Publication and Content Type
- ref (subject category)
- art (subject category)
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