Powder-metallurgy steel article with high vanadium-carbide content
US4249945A · kind A · utility
25Cited by
2References
3Claims
0Family size
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Key dates
| Filing date | Sep 20, 1978 |
| Grant date | Feb 10, 1981 |
| Priority date | — |
| Expiry date | Sep 20, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C33/0292
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A powder metallurgy tool steel article for use in applications requiring high wear resistance having a carbide content of 10 to 18 volume percent of substantially all MC-type vanadium carbides, which carbides are substantially spherical and uniformly dispersed; the carbon content of the article is balanced relative to the carbide formers vanadium, chromium and molybdenum to provide an amount of carbon in the matrix of the article sufficient to permit the article to be heat treated to a hardness of at least 56 R.sub.c.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.