Title:
SURFACE COATED CUTTING TOOL AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/070967
Kind Code:
A1
Abstract:
This surface coated cutting tool comprises a base material and a coating layer that covers the base material, the coating layer includes an alternating layer wherein first unit layers and a second unit layers are layered alternatingly, each of the first unit layers comprises a nitride containing aluminum and zirconium, the ratio of the number of the zirconium atoms in the first unit layer being between 0.65 and 0.95 inclusive when the total number of the metal atoms constituting the first unit layer is represented by 1, and each of the second unit layers comprises a nitride containing vanadium and aluminum, the ratio of the number of the aluminum atoms in the second unit layer being between 0.40 and 0.75 inclusive when the total number of the metal atoms constituting the second unit layer is represented by 1.
Inventors:
FUKUI HARUYO (JP)
SETOYAMA MAKOTO (JP)
TANAKA KEIZO (JP)
SETOYAMA MAKOTO (JP)
TANAKA KEIZO (JP)
Application Number:
PCT/JP2019/030709
Publication Date:
April 09, 2020
Filing Date:
August 05, 2019
Export Citation:
Assignee:
SUMITOMO ELECTRIC HARDMETAL CORP (JP)
International Classes:
B23B27/14; B23B51/00; B23C5/16; B23P15/28; C23C14/06
Foreign References:
| JP2015533936A | 2015-11-26 | |||
| JP2010131741A | 2010-06-17 | |||
| JP2013124406A | 2013-06-24 | |||
| JP2015512791A | 2015-04-30 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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