HARD COATING FILM FOR CUTTING TOOL AND CUTTING TOOL COATED WITH HARD COATING FILM

Title:

HARD COATING FILM FOR CUTTING TOOL AND CUTTING TOOL COATED WITH HARD COATING FILM

Document Type and Number:

WIPO Patent Application WO/2013/150603

Kind Code:

A1

Abstract:

Provided are a hard coating film for a cutting tool, said hard coating film having both an excellent wear resistance and an excellent deposition resistance, and a cutting tool that is coated with the hard coating film. A hard coating film (22) having an excellent lubricity, an excellent deposition resistance and a high hardness, said hard coating film comprising a hard phase (24) that is a nitride phase, an oxide phase, a carbide phase, a carbonitride phase or a boride phase containing at least one element selected from among a IVa group element, a Va group element, a VIa group element, Al and Si and a binding phase (26) that is a phase containing at least one element selected from among Au, Ag and Cu, wherein the hard layer (24) and the binding layer (26) are three-dimensionally arranged to form a composite structure in which the hard layer (24) is bound via the binding layer (26) comprising Au, Ag or Cu so that the coefficient of friction and cutting resistance can be reduced.

Inventors:

SAKURAI MASATOSHI (JP)
TOIHARA TAKAOMI (JP)

Application Number:

PCT/JP2012/059012

Publication Date:

October 10, 2013

Filing Date:

April 02, 2012

Export Citation:

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Assignee:

OSG CORP (JP)
SAKURAI MASATOSHI (JP)
TOIHARA TAKAOMI (JP)

International Classes:

B23B51/00; B23B27/14; B23C5/16; B23G5/06

Domestic Patent References:

WO2011002008A1

2011-01-06

Foreign References:

JP2011156645A	2011-08-18
JP2008100345A	2008-05-01
JP2005256095A	2005-09-22
JP2005138209A	2005-06-02

Other References: