Process for diffusing metallic coatings into ceramics to improve

Details Process for diffusing metallic coatings into ceramics to improve Process for diffusing metallic coatings into ceramics to improve

1976-11-09

1978-01-17

Kendall, Ralph S.

Coating processes

Electrical product produced

Metal coating

427126, 427190, 427191, 427229, 174137A, 427377, 427383B, 428469, H01B 1742, H01B 1764, H01B 1750

Patent

active

040693570

ABSTRACT:
The disclosure relates to a method for diffusing a coating of manganese powder and titanium powder into a ceramic to improve its voltage hold off withstanding capability. The powder coated ceramic is fired for from about 30 to about 90 minutes within about one atmosphere of wet hydrogen at a temperature within the range of from about 1450.degree. to about 1520.degree. C to cause the mixture to penetrate into the ceramic to a depth on the order of a millimeter.

REFERENCES:
patent: 2715593 (1955-08-01), Clark
patent: 2996401 (1961-08-01), Welsh et al.
patent: 3197290 (1965-07-01), Williams
patent: 3686007 (1972-08-01), Gion

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