Kinetics Of Phase Separation In A 6.5Na20.33.5B203.60 Si02 Glass

Industrially melted glasses with the composition (in mol%) 6.5Na20.33.5B203.60Si02 were thermally treated at temperatures in the range of 660 to 750 deg C. This resulted in phase separation, i.e. in the formation of a silica and a sodium borate-rich phase with an interconnected microstructure. Both the volume content of the borate-rich phase and the mean structure thickness (the correlation length) increased with time as well as with temperature.

Author
A Flugel & C Russel
Origin
Otto-Schott Inst, Germany
Journal Title
Glastech Ber Glass Sci Technol 73 3 2000 73-78
Sector
Special Glass
Class
S 1899

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Kinetics Of Phase Separation In A 6.5Na20.33.5B203.60 Si02 Glass
Glastech Ber Glass Sci Technol 73 3 2000 73-78
S 1899
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