Iron based mixed power high strength sintered parts
US6652618B1 · kind B1 · utility
3Cited by
7References
5Claims
0Family size
Assignee
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Key dates
| Filing date | May 10, 2002 |
| Grant date | Nov 25, 2003 |
| Priority date | — |
| Expiry date | May 10, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/16
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
On the basis of mass percentage of a mixture, 1-5% of Ni powder, 0.5-3% of Cu powder, and 0.2-0.9% of graphite powder are mixed into an alloy steel powder containing 0.5-3 mass % of prealloyed Ni, more than 0.7 to 4 mass % of prealloyed Mo, and the balance being Fe and unavoidable impurities. The alloy steel powder may contain 0.2-0.7 mass % of prealloyed Cu in addition to Ni and Mo.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.