Title:
COATED TOOL AND CUTTING TOOL PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2018/221355
Kind Code:
A1
Abstract:
A coated tool according to one embodiment of the present invention comprises a substrate and a coating layer positioned on the substrate. The coating layer has: a plurality of AlTi layers containing at least one nitride, carbide, or carbonitride that contains aluminum and titanium; and a plurality of AlCr layers containing at least one nitride, carbide, or carbonitride that contains aluminum and chromium. The coating layer is configured such that the AlTi layers and the AlCr layers are laminated in an alternating fashion. The plurality of AlCr layers include a first AlCr layer and a second AlCr layer positioned further from the substrate than is the first AlCr layer. The chromium content of the second AlCr layer is greater than the chromium content of the first AlCr layer.
Inventors:
HE DAN (JP)
YAMASAKI TSUYOSHI (JP)
YAMASAKI TSUYOSHI (JP)
Application Number:
PCT/JP2018/019884
Publication Date:
December 06, 2018
Filing Date:
May 23, 2018
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
B23B27/14; C23C14/06
Foreign References:
| JP2014091169A | 2014-05-19 | |||
| JP2004050381A | 2004-02-19 | |||
| JP2007061993A | 2007-03-15 | |||
| JP2014087850A | 2014-05-15 | |||
| US20150152561A1 | 2015-06-04 | |||
| JP2017154200A | 2017-09-07 |
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