Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Patent
1989-09-05
1990-11-27
Dixon, Jr., William R.
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
501 8, 4283126, C03C 1006, C03C 100, C04B 3552, B32B 326
Patent
active
049735640
ABSTRACT:
A sealing method and sealed assemblies incorporating novel devitrifiable sealing frits based on thermally crystallizable alkaline earth aluminosilicate glasses, are disclosed. The frits exhibit improved compatibility with refractory composites employed for the fabrication of high temperature fiber-reinforced glass-ceramic assemblies and can be cured at temperatures below those needed to cure prior art sealing compositions to provide strong seals wherein refractory crystal phases selected from the group consisting of anorthite (CaO.Al.sub.2 O.sub.3.2SiO.sub.2), celsian (BaO.Al.sub.2 O.sub.3.2SiO.sub.2), and sanidine, orthoclase or other potash feldspar (K.sub.2 O.Al.sub.2 O.sub.3.6SiO.sub.2) polymorphs constitute the principal phases.
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Glass Ceramics, McMillen, p. 75.
Chyung Kenneth
Morena Robert M.
Taylor Mark P.
Corning Incorporated
Dixon Jr. William R.
Marcantoni Paul
VAN DER Sterre Kees
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