Title:
COATED CUTTING TOOL
Document Type and Number:
WIPO Patent Application WO/2024/004873
Kind Code:
A1
Abstract:
A coated cutting tool according to an embodiment of the present invention comprises a base material and a hard film formed on the base material. The hard film is a nitride in which, with respect to the total amount of metal elements (including semimetals), contains 60-70 at% Al, 20-40 at% Ti, and 1-10 at% of at least one element selected from among W, Cr, Ta, Nb, Zr, Mo, and V, and which, with respect to the total amount of metal elements (including semimetals), elemental nitrogen, and elemental Ar, contains 0.01-0.15 at% Ar. The crystal structure of the hard film is a face-centered cubic lattice structure. The half-width of the X-ray diffraction peak of a (111) face is 0.75-0.95°.
Inventors:
ISAKA MASAKAZU (JP)
SASAKI TOMOYA (JP)
FUWA RYOUTAROU (JP)
SASAKI TOMOYA (JP)
FUWA RYOUTAROU (JP)
Application Number:
PCT/JP2023/023386
Publication Date:
January 04, 2024
Filing Date:
June 23, 2023
Export Citation:
Assignee:
MOLDINO TOOL ENGINEERING LTD (JP)
International Classes:
B23B27/14; B23C5/16; C23C14/16
Domestic Patent References:
| WO2017094440A1 | 2017-06-08 | |||
| WO2021167087A1 | 2021-08-26 |
Foreign References:
| JP2015110256A | 2015-06-18 | |||
| JP2003034858A | 2003-02-07 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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