To clarify the effects of glass composition and heat-treatment conditions on phase separation and crystallization, time-temperature-transformation (TTT) diagrams for the system (65-x)Si02.25B203.(10-y)Na0.yCa0.xZr02, which is used for fabricating alkali-durable porous glasses, were determined.
Origin
Kyushu University, Japan
Journal Title
J Am Ceram Soc 80 5 1997 1101-1110
Sector
Special Glass
Class
S 1146