Fine grained cobalt-chromium alloys containing carbides made by

Details Fine grained cobalt-chromium alloys containing carbides made by Fine grained cobalt-chromium alloys containing carbides made by

1983-04-11

1984-09-25

Padgett, Benjamin R.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75241, 75246, 419 16, 419 30, 419 33, 419 48, 148403, 148425, 148442, B22F 314

Patent

active

044734026

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 .degree. C./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), Schwacker, 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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