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Structural and rheological analysis of nickel enriched peraluminous glasses

Abstract : This study describes the role of nickel oxide (NiO) in peraluminous glass. Peraluminous glass is defined by an excess of aluminium ions (Al3+) compared to modifier elements such as Na+, Li+ or Ca2+ ions. The study investigates the effect NiO incorporation on peraluminous glass homogeneity and process ability. Quenched NiO-containing glass showed an incorporation limit greater than 12 wt% NiO (13.8 mol%), while slowly cooled glass showed a limit of 5 wt% NiO (5.8 mol%). Nickel oxide is also found to have a fludifying effect on peraluminous glasses. When the nickel oxide content is above its incorporation limit, the resulting crystals were found to have a significant effect on glass rheological properties. Finally, hypotheses are proposed as to the structural role of Ni in peraluminous glass based on the experimental results obtained.
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Submitted on : Tuesday, November 23, 2021 - 10:30:15 AM
Last modification on : Sunday, June 26, 2022 - 3:20:49 AM
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Erik Hansen, Damien Perret, Isabelle Giboire, Sylvain Mure, Christophe Rapin. Structural and rheological analysis of nickel enriched peraluminous glasses. Journal of Non-Crystalline Solids, Elsevier, 2021, pp.DOI: 10.1016/j.nocx.2021.100069. ⟨10.1016/j.nocx.2021.100069⟩. ⟨cea-03442400⟩



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