Cobalt-chromium alloys which contain carbon and have been proces

Details Cobalt-chromium alloys which contain carbon and have been proces Cobalt-chromium alloys which contain carbon and have been proces

1982-01-18

1983-08-23

Lewis, Michael L.

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

148425, 148442, B22F 100

Patent

active

044002122

ABSTRACT:
New cobalt base alloys containing chromium and carbon are disclosed. The alloys are subjected to rapid solidification processing (RSP) technique which produces cooling rates between 10.sup.5 to 10.sup.7 oC/sec. The as-quenched ribbon, powder etc. consists predominantly of amorphous phase. The amorphous phase is subjected to suitable heat treatments so as to produce a transformation to a microcrystalline alloy which includes carbides; this heat treated alloy exhibits superior mechanical properties for numerous industrial applications.

REFERENCES:
patent: 1602995 (1926-10-01), Wissler
patent: 2551170 (1951-05-01), Schmacker, Jr. et al.
patent: 3313633 (1967-04-01), Longo
patent: 3563731 (1971-02-01), Cope
patent: 4290808 (1981-09-01), Ray
patent: 4297135 (1981-10-01), Giessen et al.

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