Non-equilibrium cordierite-alumina

Details Non-equilibrium cordierite-alumina Non-equilibrium cordierite-alumina

1976-03-23

1977-07-05

Douglas, Winston A.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 734, 106 396, C04B 3518, C04B 3520, C03C 322

Patent

active

040337790

ABSTRACT:
Non-equilibrium sintered ceramics, having a matrix composition near stoichiometric cordierite and undissolved intermediate size alumina particles distributed throughout the matrix, display increased temporary use temperatures over the matrix composition by itself without physical deformation associated with melting. Thermal expansion of the non-equilibrium composition is not excessively higher than the cordierite matrix if the proper size alumina is used.

REFERENCES:
patent: 3450546 (1969-06-01), Stong
patent: 3849145 (1974-11-01), Pitha
patent: 3885977 (1975-05-01), Lachman et al.
patent: 3950175 (1976-04-01), Lachman et al.
patent: 3979216 (1976-09-01), Fritsch, Jr. et al.

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