Title:
多層被覆切削工具
Document Type and Number:
Japanese Patent JP5714879
Kind Code:
B2
Abstract:
The present invention relates to a coated cutting tool comprising a substrate and a PVD coating comprising an outermost zone C being a nitride, carbide or boride or mixtures thereof, of Si and at least two additional elements selected from Al, Y and groups 4, 5 or 6 of the periodic table and zone C is free from a compositional gradient of the average content of Si. Zone C have a laminar, aperiodic, multilayered structure alternating individual layers X and Y having different compositions from each other. The coating further comprising a zone A closest to the substrate, a transitional zone B, where:
-zone A is essentially free from Si,
-zone B comprising a compositional gradient of the average content of Si, where the average content of Si is increasing towards zone C.
The present invention also relates to a method of making a coated cutting tool according to the above.
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Inventors:
Johann Ballmark
Helen Bromkuvist
Helen Bromkuvist
Application Number:
JP2010270389A
Publication Date:
May 07, 2015
Filing Date:
December 03, 2010
Export Citation:
Assignee:
Sandvik Intellectual Property Actie Borag
International Classes:
B23B27/14; B23B51/00; B23C5/16; B23P15/28; C23C14/06
Domestic Patent References:
| JP2010076084A | ||||
| JP2004066361A | ||||
| JP2008162009A | ||||
| JP2008302473A | ||||
| JP2009178822A |
Foreign References:
| WO2008079088A2 |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Satoshi Deno
Atsushi Ebiya
Yasuo Dogaki
Takashi Ishida
Tetsuji Koga
Satoshi Deno
Atsushi Ebiya
Yasuo Dogaki