High temperature resistant, heat insulating ceramic material

Details High temperature resistant, heat insulating ceramic material High temperature resistant, heat insulating ceramic material

1977-03-23

1979-03-13

Gantz, Delbert E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

106 734, 106 735, 106 65, C04B 3510, C04B 3500, C04B 3516, B01J 2906

Patent

active

041441958

ABSTRACT:
A high temperature resistant, heat insulating ceramic material comprises a mixture of 30 to 60 volume percent aluminum oxide power and 70 to 40 volume percent alumina-silica fibers sintered together at temperatures between 1200.degree. and 1550.degree. C. so that .alpha.-aluminum oxide is present in the sintered material. The ceramic material can be used as a material for hollow bodies which are charged with hot gases, and particularly, for cores of reactors and/or catalytic converters in exhaust gas purification systems of internal combustion engines.

REFERENCES:
patent: 3691097 (1972-09-01), Stiles et al.
patent: 3785838 (1974-01-01), Weldman
patent: 3912658 (1975-10-01), Kaneko et al.
patent: 4019914 (1977-04-01), Esper et al.

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