Hydrometallurgical process for producing finely divided spherical maraging steel powders
US5114471A · kind A · utility
31Cited by
21References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1988 |
| Grant date | May 19, 1992 |
| Priority date | — |
| Expiry date | Dec 29, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F1/065
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process comprising by producing maraging steel powder comprises forming an aqueous solution of iron, cobalt, nickel and molybdenum metals values in a predetermined ratio, forming a reducible solid material from the solution reducing the solid material to metallic powder particles, entraining at least a portion of the powder particle in a carrier gas which is fed into a high temperature zone to form droplets therefrom, and cooling said droplets to form essentially spherical shaped maraging steel alloy particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.