Cobalt-chromium alloys which contain carbon and have been processed by rapid solidification process and method
US4400212A · kind A · utility
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1Claims
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Key dates
| Filing date | Jan 18, 1982 |
| Grant date | Aug 23, 1983 |
| Priority date | — |
| Expiry date | Jan 18, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C45/008
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
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.
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