Title:
COATED TOOL AND CUTTING TOOL
Document Type and Number:
WIPO Patent Application WO/2023/008189
Kind Code:
A1
Abstract:
A coated tool according to the present disclosure comprises a base material, and a coating layer that is positioned on the base material. The coating layer comprises a first coating layer that contains Al, Cr, Si and N. The first coating layer comprises first layers and second layers, which are alternately arranged in the thickness direction. The first layers and the second layers contain Al, Cr, Si and N. The Al content in the first layers is expressed as the first Al content; the Cr content in the first layers is expressed as the first Cr content; the Si content in the first layers is expressed as the first Si content; the Al content in the second layers is expressed as the second Al content; the Cr content in the second layers is expressed as the second Cr content; and the Si content in the second layers is expressed as the second Si content. In this case, the first Al content is higher than the second Al content; the first Cr content is lower than the second Cr content; and the first Si content is higher than the second Si content.
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Inventors:
YOSHIMI KEI (JP)
Application Number:
PCT/JP2022/027485
Publication Date:
February 02, 2023
Filing Date:
July 12, 2022
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
B23B27/14; C23C14/06
Foreign References:
| JP2018039096A | 2018-03-15 | |||
| JP2007083326A | 2007-04-05 | |||
| JP2007069276A | 2007-03-22 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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