Internal oxidized Ag-Sn-In system alloy electrical contact compo

Details Internal oxidized Ag-Sn-In system alloy electrical contact compo Internal oxidized Ag-Sn-In system alloy electrical contact compo

1985-10-28

1987-06-09

Brody, Christopher W.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

148431, 428929, C22C 506

Patent

active

046720081

ABSTRACT:
Electrical contact materials made from Ag-Sn-In system alloys which have been internally oxidized. A substratum or base part of the materials is internally oxidized after having been clad with a thin layer of alloys of the same alloy system, concentration of solute elements of which is, however, smaller than that of the substratum alloys, so that no segregation of the solute metal elements shall be produced within the substratum alloys. Electrical contact resistance and consequent temperature raise of the internally oxidized materials under operation are considerably lowered.

REFERENCES:
patent: 4161403 (1979-07-01), Shibata
patent: 4412971 (1983-11-01), Shibata

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