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Patent Searching and Data


Title:
被覆工具および切削工具
Document Type and Number:
Japanese Patent JP7422863
Kind Code:
B2
Abstract:
A coated tool according to the present disclosure comprises a base body and a coating film. The base body is made of a cemented carbide or a cermet. The coating film is located on the base body. In a case where a hardness is measured by pressing an indenter from a surface of the coating film to a depth of 20% of the coating film while changing an indentation load of the indenter, when a minimum hardness of the hardness is defined as a first hardness, a maximum hardness of the hardness is defined as a second hardness, a depth at the first hardness is defined as a first hardness depth, and a depth at the second hardness is defined as a second hardness depth, the second hardness depth is smaller than the first hardness depth, and a difference therebetween is greater than 7 GPa.

Inventors:
Satoshi Mori
Application Number:
JP2022510688A
Publication Date:
January 26, 2024
Filing Date:
March 25, 2021
Export Citation:
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Assignee:
Continental Automotive GmbH
International Classes:
B23B27/14; C23C14/06
Domestic Patent References:
JP2006152321A
JP2012045661A
JP5008104A
JP2006137982A
JP2016107396A
Foreign References:
WO2019189775A1
US20150307998
Attorney, Agent or Firm:
Sakai International Patent Office