Patent · US Active

PVD coating for metal machining

US9856556B2 · kind B2 · utility

0Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 30, 2011
Grant dateJan 2, 2018
Priority date
Expiry dateMay 9, 2033

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C30/005
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

The present invention relates to a wear resistant coating suitable to be deposited on cutting tool inserts for chip forming metal machining. The coating comprises at least two layers with different grain size, but with essentially the same composition. The coating is deposited by Physical Vapor Deposition (PVD).

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