Homogeneity of peraluminous SiO2–B2O3–Al2O3–Na2O–CaO–Nd2O3 glasses: Effect of neodymium content

Homogeneity of peraluminous SiO2–B2O3–Al2O3–Na2O–CaO–Nd2O3 glasses: Effect of neodymium content

Considering the interest of developing new glass matrices able to immobilize higher concentration of high level nuclear wastes than currently used nuclear borosilicate compositions, glasses containing high rare earth contents are of particular interest. This study focuses on a peraluminous aluminobo...

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Veröffentlicht in:Journal of non-crystalline solids 2014-12, Vol.405, p.55-62
Hauptverfasser: Gasnier, E., Bardez-Giboire, I., Montouillout, V., Pellerin, N., Allix, M., Massoni, N., Ory, S., Cabie, M., Poissonnet, S., Massiot, D.
Format: Artikel
Sprache:eng
Schlagworte:
Aluminoborosilicate glass
Borosilicate
Borosilicate glasses
Chemical Sciences
Crystallization
Glass
Glass crystallization
Homogeneity
Material chemistry
Neodymium
Neodymium oxide
Peraluminous
Phase separation
Rare earth metals
Silicon dioxide
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Beschreibung
Zusammenfassung:Considering the interest of developing new glass matrices able to immobilize higher concentration of high level nuclear wastes than currently used nuclear borosilicate compositions, glasses containing high rare earth contents are of particular interest. This study focuses on a peraluminous aluminoborosilicate system SiO2–B2O3–Al2O3–Na2O–CaO–Nd2O3 defined by a peralkaline/peraluminous ratio RP=([Na2O]+[CaO])/([Na2O]+[CaO]+[Al2O3])
ISSN:0022-3093
1873-4812
DOI:10.1016/j.jnoncrysol.2014.08.032