Samples of the systems R2O-SiO2 (R = lithium, sodium, potassium), B2O3-SiO2 and Na2O-B2O3-SiO2 were prepared by the sol-gel route. After gelation and drying, heat treatments under ammonia atmosphere were carried out up to 1100C.
Origin
Csic, Madrid, Spain
Journal Title
Glastech Ber 66 3 1993 51-55
Sector
Special Glass
Class
S 743