Cesium-stuffed cordierite ceramics

Details Cesium-stuffed cordierite ceramics Cesium-stuffed cordierite ceramics

1980-06-05

1981-09-29

McCarthy, Helen M.

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

65 33, 264332, 501 69, C03C 322

Patent

active

042920809

ABSTRACT:
The subject invention is related to the preparation of ceramic bodies wherein the crystal phase consists essentially of cesium-stuffed, hexagonal cordierite. The bodies are capable of use temperatures up to 1600.degree. C., exhibit nearly isotropic axial thermal expansions, and consist essentially, expressed in weight percent on the oxide basis, of about 11-13% MgO, 34-36% Al.sub.2 O.sub.3, 33-42% SiO.sub.2, and 10-22% Cs.sub.2 O.

REFERENCES:
patent: 3833385 (1974-09-01), Adelsburg et al.
patent: 3881944 (1975-05-01), Beall et al.
patent: 3926648 (1975-12-01), Miller
Chem. Abstr. 89 Item 10662, "Composition and Properties of Crystallization Products of Cesium Oxide-Magnesium Oxide-Silicon Dioxide Glass".

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