Compositions: ceramic – Ceramic compositions – Devitrified glass-ceramics
Patent
1983-12-08
1985-03-26
Bell, Mark
Compositions: ceramic
Ceramic compositions
Devitrified glass-ceramics
501 21, 501 24, C03C 322
Patent
active
045073929
ABSTRACT:
This invention is directed to the production of glass-ceramic materials designed for application as glazes to low expansion ceramic bodies. The inventive glass-ceramics exhibit average coefficients of thermal expansion (25.degree.-100.degree. C.) of less than -15.times.10.sup.-7 /.degree.C., demonstrate excellent resistance to attack by acids and bases, contain beta-quartz solid solution as the predominant crystal phase, and consist essentially, in weight percent, of
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Bell Mark
Corning Glass Works
Janes, Jr. C. S.
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