Patent · US Active

Cemented carbide with refined structure

US7976607B2 · kind B2 · utility

0Cited by

12References

7Claims

0Family size

Assignee

Sandvik Intellectual Property AB · SE

Inventors

Leif Akesson · Ayacucho, PE
Susanne Norgren · Huddinge, SE
Alexandra Kusoffsky · Lidingö, SE

Key dates

Filing date	Jun 13, 2007
Grant date	Jul 12, 2011
Priority date	—
Expiry date	Jul 23, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/265
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The present invention relates to a WC—Co cemented carbide alloy. By adding an extremely small amount of Ti, V, Zr, Ta or Nb or a combination of these, a grain refined cemented carbide structure with less abnormal WC-grains has been obtained.

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