Compositions: ceramic – Ceramic compositions – Devitrified glass-ceramics
Patent
1985-09-13
1989-08-08
Dixon, Jr., William R.
Compositions: ceramic
Ceramic compositions
Devitrified glass-ceramics
501 87, 501 89, 501 95, 501 98, 501105, 501107, 501118, 501119, 264 65, 264311, C03C 1008
Patent
active
048552593
ABSTRACT:
Ceramic moldings containing finely crystalline cordierite are described, which are obtainable by the intensive grinding of precrystallized cordierite powder, mixing the powder with second additive phases of higher modulus of elasticity, shaping the mixture, and sintering the greenware thus obtained in a siliceous atmosphere at temperatures between 900.degree. and 1400.degree. C. The moldings according to the invention have not only good mechanical strengths but also outstanding dielectric and thermal properties; they are therefore especially suitable for use as dielectrics and as thermal insulating components.
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Claussen Nils
Panhorst Wolfgang
Petzow Gunter
Weisskopf Karl-Ludwig
Dixon Jr. William R.
Firma Schott Glaswerke
Group Karl
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