CUTTING TOOL - SUMITOMO ELECTRIC INDUSTRIES

Title:

CUTTING TOOL

Document Type and Number:

WIPO Patent Application WO/2024/079890

Kind Code:

A1

Abstract:

A cutting tool comprising a substrate and a coating that is disposed upon the substrate, wherein: the coating includes a first layer; the first layer is formed from alternating layers consisting of first unit layers and second unit layers stacked in an alternating manner; each first unit layer is composed of AlaCr1-a-bCebN; a is more than 0.400 but no more than 0.800; b is 0.001 to 0.100 inclusive; each second unit layer is composed of AlcV1-cN; c is 0.30 to 0.75 inclusive; and a and c satisfy the relationship a>c.

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Inventors:

FUKUI HARUYO (JP)
TSUKIHARA NOZOMI (JP)
PASEUTH ANONGSACK (JP)
TABATA TOSHIHIRO (JP)

Application Number:

PCT/JP2022/038392

Publication Date:

April 18, 2024

Filing Date:

October 14, 2022

Export Citation:

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Assignee:

SUMITOMO ELECTRIC INDUSTRIES (JP)

International Classes:

B23B27/14; B23C5/16; C23C14/06

Foreign References:

JP2004269985A	2004-09-30
JP2005022023A	2005-01-27