Electric joint material

Details Electric joint material Electric joint material

1982-06-22

1985-03-05

Rutledge, L. Dewayne

Metal treatment

Stock

Noble metal base

420501, C22C 506, C22C 3200

Patent

active

045028990

ABSTRACT:
A joint material that is improved in arc-proof characteristic, fusion-proof characteristic, and consumption-proof characteristic. The joint material contains silver, lithium oxide and one selected from the group consisting of aluminium oxide, calcium oxide, magnesium oxide, and silicon oxide. Furthermore, one selected from the group consisting of iron, nickel and cobalt may be contained as an additional component in the joint material. Such joint material is produced by a method of oxidizing the silver alloy containing lithium and one selected from the group consisting of aluminium, calcium, magnesium, and silicon, with the composition ratio of 0.1-3 wt % for lithium, and 0.01-1 wt % for aluminium, calcium, magnesium, and silicon, respectively, in quantitive conversion to metal or by a method of oxidizing the silver alloy containing, in addition to the components mentioned above, one selected from the group consisting of iron, nickel, and cobalt, with the composition ratio of 0.05-1 wt %. In either of those methods, the oxidization mentioned above is performed through internal oxidation in order to disperse each of the foregoing oxides in silver.

REFERENCES:
patent: 2221285 (1940-11-01), Hensel et al.

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