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Ali, Sharafat,Associate Professor,1976-Linnéuniversitetet,Institutionen för byggd miljö och energiteknik (BET),Avancerade material
(författare)
Composition–structure–property relationships of transparent Ca–Al–Si–O–N oxynitride glasses : The roles of nitrogen and aluminum
- Artikel/kapitelEngelska2023
Förlag, utgivningsår, omfång ...
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2022-11-12
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John Wiley & Sons,2023
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electronicrdacarrier
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LIBRIS-ID:oai:DiVA.org:lnu-117743
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https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-117743URI
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https://doi.org/10.1111/jace.18866DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-211535URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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We explore the formation and composition–structure–property correlations of transparent Ca–Al–Si–O–N glasses, which were prepared by a standard melt-quenching technique using AlN as the nitrogen source and incorporating up to 8 at.% of N. Their measured physical properties of density, molar volume, compactness, refractive index, and hardness—along with the Young, shear, and bulk elastic moduli—depended roughly linearly on the N content. These effects are attributed primarily to the improved glass-network cross-linking from N compared to O, rather than the formation of higher-coordination AlO5 and AlO6 groups, where 27Al magic-angle-spinning nuclear magnetic resonance experimentation revealed that aluminum is predominately present in tetrahedral coordination as AlO4 units. Yet, several physical properties, such as the refractive index along with the bulk, shear, and Young's elastic moduli, increase concomitantly with the Al content of the glass. We discuss the incompletely understood mechanical–property boosting role of Al as observed both herein and in previous reports on oxynitride glasses, moreover suggesting glass-composition domains that are likely to offer optimal mechanical properties.
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Ellison, AdamGlass Science and Technology Corning Incorporated, USA,Glass Science and Technology,
(författare)
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Luo, JianGlass Science and Technology Corning Incorporated, USA
(författare)
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Edén, MattiasStockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm University, Sweden(Swepub:su)eden
(författare)
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LinnéuniversitetetInstitutionen för byggd miljö och energiteknik (BET)
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of The American Ceramic Society: John Wiley & Sons106:3, s. 1748-17650002-78201551-2916
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