Surface-coated cutting tool

Details Surface-coated cutting tool Surface-coated cutting tool

2011-04-12

2011-04-12

Turner, Archene (Department: 1784)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S216000, C428S336000, C428S472000, C428S698000, C428S699000, C428S704000, C051S307000, C051S309000

Reexamination Certificate

active

07923130

ABSTRACT:
A surface-coated cutting tool according to the present invention including a substrate and a coating film formed on the substrate is characterized in that the coating film includes a composite super multi-layer film obtained by alternately stacking one or more first super multi-layer film and one or more second super multi-layer film, the first super multi-layer film above is formed by alternately stacking one or more A1 layer and one or more B layer, the second super multi-layer film above is formed by alternately stacking one or more A2 layer and one or more C layer, each of the A1 layer above and the A2 layer above is composed of any of TiN, TiCN, TiAlN, and TiAlCN, the B layer above is composed of TiSiN or TiSiCN, and the C layer above is composed of AlCrN or AlCrCN.

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