Method for preparing high performance ferrous materials
US6203753A · kind A · utility
5Cited by
2References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 13, 1997 |
| Grant date | Mar 20, 2001 |
| Priority date | — |
| Expiry date | May 13, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F2999/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention provides a method for making metal parts from metal powder compositions comprising an iron base metal powder and an amide lubricant. The method comprises the steps of compacting said composition, pre-sintering the compacted composition, compacting the compacted and pre-sintered composition, and sintering the recompacted composition. The metal parts have improved physical and mechanical properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.