Patent · US Active

Coated cutting insert

US8025989B2 · kind B2 · utility

4Cited by
14References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 11, 2008
Grant dateSep 27, 2011
Priority date
Expiry dateJul 29, 2029

Classification

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

Abstract

Coated cemented carbide inserts (cutting tools), particularly useful for wet or dry machining of steels and stainless steels, are disclosed. The cutting tool insert is characterized by a cemented carbide substrate and a coating comprising an about 0.5 to 5 μm thick innermost layer of (Ti,Al)N and an about 1 to 5 μm thick layer of (Al,Cr)2O3.

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