Metal-ceramic composite and method for making same

Details Metal-ceramic composite and method for making same Metal-ceramic composite and method for making same

1977-11-16

1981-06-30

Dixon, Jr., William R.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

138143, 138153, 156 89, 156190, 156194, 156218, 4273741, 4273744, 4273762, 4273764, 422180, 428210, 428222, 428256, B32B 1700, D03D 1300, B05D 302, C04B 3334

Patent

active

042763312

ABSTRACT:
The composite of the present invention comprises a layer of ceramic having completely imbedded therein a metal grid, such composite having been made by coating a metal grid with a viscous ceramic slurry and thereafter firing to form the ceramic to a unitary structure. At the temperature to which the composite is fired to form the unitary structure the metal grid is in an expanded condition because of its high coefficient of thermal expansion, and upon cooling the metal grid is put into tension thereby putting the ceramic in compression. The composite has particular utility as thermal insulation for internal combustion engine exhaust systems.

REFERENCES:
patent: 2671939 (1954-03-01), Everhart et al.
patent: 2676899 (1954-04-01), Hackley
patent: 2844693 (1958-07-01), Rigterink
patent: 2975078 (1961-03-01), Rayfield
patent: 3773549 (1973-11-01), Elbert et al.
patent: 3794551 (1974-02-01), Landingham et al.
patent: 4059712 (1977-11-01), Bothwell

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