Controlled atmosphere for fabrication of cermet electrodes

Details Controlled atmosphere for fabrication of cermet electrodes Controlled atmosphere for fabrication of cermet electrodes

1997-06-26

1998-08-11

Jenkins, Daniel J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Metal and nonmetal in final product

419 37, 419 38, B22F 312

Patent

active

057941122

ABSTRACT:
A process for making an inert electrode composite wherein a metal oxide and a metal are reacted in a gaseous atmosphere at an elevated temperature of at least about 750.degree. C. The metal oxide is at least one of the nickel, iron, tin, zinc and zirconium oxides and the metal is copper, silver, a mixture of copper and silver or a copper-silver alloy. The gaseous atmosphere has an oxygen content that is controlled at about 5-3000 ppm in order to obtain a desired composition in the resulting composite.

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patent: 5134039 (1992-07-01), Alexander et al.
patent: 5137867 (1992-08-01), Ray et al.
patent: 5160366 (1992-11-01), Shibata
patent: 5284527 (1994-02-01), Smeggil et al
patent: 5286441 (1994-02-01), Shibata
patent: 5312582 (1994-05-01), Donado

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