Patent · US Expired

Method of production of surface densified powder metal components

US7169351B2 · kind B2 · utility

2Cited by

22References

22Claims

0Family size

Assignee

Höganäs AB · SE

Inventors

Sven Bengtsson · Nordstraße, SE
Yang Yu · Beijing, CN
Martin Svensson · Gothenburg, SE

Key dates

Filing date	Jun 25, 2001
Grant date	Jan 30, 2007
Priority date	—
Expiry date	Jun 25, 2021

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB22F2998/10
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A method for densification of the surface layer of an optionally sintered powder metal component comprising the steps of decarburizing the surface layer for softening the surface layer of the component, and densifying the surface layer of the component.

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