Patent · US Expired

Press and sinter process for high density components

US6346213B1 · kind B1 · utility

0Cited by
6References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 29, 1999
Grant dateFeb 12, 2002
Priority date
Expiry dateNov 29, 2019

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22F2999/00
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A process of forming a sintered article of powder metal comprising blending graphite, Si carbide and lubricant, with pre-alloyed iron base powder; pressing said blended mixture to a shaped article; sintering said article in a reduced atmosphere; forced cooling said sintered article.

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