Rods of Corning 7070 alkali borosilicate glass were stretched or compressed at 600-700 degrees C before or after discrete phase separation and given a post pulling heat treatment at around 500 degrees C. The resulting birefringence was measured as a function of temperature.
Origin
Alfred University
Journal Title
J Am Ceram Soc 1989 72 11 2078-2083
Sector
Special Glass
Class
S 345