Electroconductive composite ceramics

Details Electroconductive composite ceramics Electroconductive composite ceramics

1976-09-22

1978-08-29

Padgett, Benjamin R.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

252508, 252509, 252514, 252516, 252517, 252518, 252520, 252521, 252507, 252513, 106 52, H01B 108

Patent

active

041102606

ABSTRACT:
The electroconductive composite ceramics composed of an independent phase conglomerates having a particle diameter of at least 20.mu. and a continuous phase connecting mutually the independent phase of conglomerates. Particularly, electroconductive composite ceramics composed of (A) 50-98% by weight of an independent phase of conglomerates having a particle diameter of at least 20 which consists essentially of a phase of insulating or semiconductive ceramics having a high melting point or a mixture thereof and (B) 50-2% by weight of a continuous phase of an electroconductive substance connecting mutually the independent phase of conglomerates. The electroconductive composite ceramics exhibit stable electroconductivity-temperature characteristics at a temperature of 1000.degree. C. or higher and have excellent thermal shock resistance, mechanical strength and chemical resistance.

REFERENCES:
patent: 2901442 (1959-08-01), Huffadine et al.
patent: 3394087 (1968-07-01), Huang et al.
patent: 3437468 (1969-04-01), Seufert
patent: 3441516 (1969-04-01), Mulligan et al.
patent: 3484284 (1969-12-01), Dates et al.
patent: 3682839 (1972-08-01), Galloway
patent: 3725091 (1973-04-01), Chyung et al.
patent: 3888796 (1975-06-01), Nigol
patent: 3948812 (1976-04-01), Corren et al.
patent: 3982100 (1976-09-01), Heruert

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