High temperature stabilized mullite-aluminum titanate

Details High temperature stabilized mullite-aluminum titanate High temperature stabilized mullite-aluminum titanate

1992-09-22

1994-03-01

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

501134, C04B 3510

Patent

active

052907392

ABSTRACT:
This invention relates to a sintered mullite-aluminum titanate article formed by doping the mullite with 1-5% titania and/or titania precursors, and 1-5% hematite and/or hematite precursors, pre-calcining the mullite and mixing with calcined aluminum titanate to form a mullite-aluminum titanate composition which may be formed into a high temperature stabilized ceramic article such as a honeycomb.

REFERENCES:
patent: 2776896 (1957-01-01), Harman et al.
patent: 4483944 (1984-11-01), Day et al.
patent: 4855265 (1989-08-01), Day et al.
patent: 4915887 (1990-04-01), Day et al.
patent: 5055435 (1991-10-01), Hamanaka et al.
patent: 5153153 (1992-10-01), Freudenberg

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