Patent · US Expired

Sintered hi-density process with forming

US5881354A · kind A · utility

2Cited by
8References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 3, 1996
Grant dateMar 9, 1999
Priority date
Expiry dateMay 3, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC21D9/32
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A method of making a sintered article of powder metal having a carbon composition in the range of about 0.8% to 2.0% by weight, then spheroidizing the sintered article and then warm forming the sintered article at a temperature between 250.degree. and 700.degree. C. for a time duration selected to form the article to a final shape.

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