Soda-alumine-silica glasses have been extensively studied in order to understamd the role of Al3+ ions in the glass structure. It is generally accepted that aluminium is normally fourfold coordinated in glasses and that it behaves as a network forming atom. In this paper the role of Sc3+, Y3+. La3+, Ga3+ and In3+ ions in the glass structure is compared with that of the Al3+ ion by studying the effect on the glass transition temperature of a progressive (0≤M2O3/Na2O≤1) replacement of Na+ by such a cation (M3+…3Na+) in sodium disilicate glass.
Glass transition temperature of soda-silica glasses containing M2O3 oxide (M=Al,Ga,In,Sc,Y,La) / Branda, Francesco; A., Buri; D., Caferra; A., Marotta. - In: PHYSICS AND CHEMISTRY OF GLASSES. - ISSN 0031-9090. - STAMPA. - 22:(1981), pp. 68-72.
Glass transition temperature of soda-silica glasses containing M2O3 oxide (M=Al,Ga,In,Sc,Y,La)
BRANDA, FRANCESCO;
1981
Abstract
Soda-alumine-silica glasses have been extensively studied in order to understamd the role of Al3+ ions in the glass structure. It is generally accepted that aluminium is normally fourfold coordinated in glasses and that it behaves as a network forming atom. In this paper the role of Sc3+, Y3+. La3+, Ga3+ and In3+ ions in the glass structure is compared with that of the Al3+ ion by studying the effect on the glass transition temperature of a progressive (0≤M2O3/Na2O≤1) replacement of Na+ by such a cation (M3+…3Na+) in sodium disilicate glass.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
