Title:
SURFACE-COATED CUTTING TOOL AND PROCESS FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2019/239654
Kind Code:
A1
Abstract:
A surface-coated cutting tool comprising a substrate and a film provided on the surface of the substrate, wherein: the film includes a first alternating layer provided on the substrate, and a second alternating layer provided on the first alternating layer; the first alternating layer includes an A layer and a B layer; the second alternating layer includes a C layer and a D layer; one or more of the A layer and the B layer are layered in an alternating manner; one or more of the C layer and the D layer are layered in an alternating manner; the A layer comprises a nitride or carbonitride of AlaCrbM1(1-a-b); the B layer comprises a nitride or carbonitride of AlcTidM2(1-c-d); the C layer comprises a nitride or carbonitride of TieSifM3(1-e-f); and the D layer comprises a nitride or carbonitride of TigSihM4(1-g-h).
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Inventors:
TAKESHITA HIROKI (JP)
SETOYAMA MAKOTO (JP)
FUKUI HARUYO (JP)
SETOYAMA MAKOTO (JP)
FUKUI HARUYO (JP)
Application Number:
PCT/JP2019/009316
Publication Date:
December 19, 2019
Filing Date:
March 08, 2019
Export Citation:
Assignee:
SUMITOMO ELECTRIC HARDMETAL CORP (JP)
International Classes:
B23B27/14; B23B51/00; B23C5/16; C23C14/06
Domestic Patent References:
| WO2006070730A1 | 2006-07-06 |
Foreign References:
| JP2017177239A | 2017-10-05 | |||
| JP2006043874A | 2006-02-16 | |||
| JP2007136655A | 2007-06-07 | |||
| JP2007152542A | 2007-06-21 | |||
| JP2018114267A | 2018-07-26 | |||
| JPH07310174A | 1995-11-28 | |||
| JP2005305576A | 2005-11-04 | |||
| JP2017177239A | 2017-10-05 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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