Sintered and forged article, and method of forming same
US4484644A · kind A · utility
145Cited by
23References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 1980 |
| Grant date | Nov 27, 1984 |
| Priority date | — |
| Expiry date | Sep 2, 2000 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21C35/1835
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An embodiment of the article comprises a metallic body formed, by a powder metallurgy technique, of steel powder and tungsten carbide particles, and forged, having a total density of not less than one hundred percent. The method, then, comprises (a) the powder metallurgy steps of forming and sintering the body, and (b) the subsequent forging step, to produce the one hundred percent total density steel and tungsten carbide article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.