Patent · US Expired

Hi-density sintered alloy

US5656787A · kind A · utility

8Cited by
12References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 21, 1995
Grant dateAug 12, 1997
Priority date
Expiry dateNov 21, 2015

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22F2998/00
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A process of forming a sintered article for powder metal comprising blending carbon and ferro alloys and lubricant with compressible elemental iron powder, pressing said blended mixture to form sintering said article, and then high temperature sintering said article in a reducing atmosphere to produce a sintered article having a high density from a single compression.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.