HARD COATING AND HARD COATING-COVERED MEMBER

Title:

HARD COATING AND HARD COATING-COVERED MEMBER

Document Type and Number:

WIPO Patent Application WO/2017/037956

Kind Code:

A1

Abstract:

A hard coating 24 coated on the surface of a tool base material 30 is configured so as to have a total film thickness of 0.5-20 µm and has alternately laminated therein, by physical vapor deposition, an A layer 34 and a nanolayer-alternated layer 40 having a B layer 36 and a C layer 38 alternately laminated therein at a nano-order thicknesses. The A layer 34 has a thickness of 50-1,000 nm and is an AlCr(SiC) nitride having a compositional formula of [Al1-W-XCrW(SiC)X]N, an atomic ratio W of 0.20-0.80, and an atomic ratio X of 0.01-0.20. The B layer 36 has a thickness of 1-100 nm and is a TiAl nitride having a compositional formula [Ti1-YAlY]N and an atomic ratio Y of 0.30-0.85. The C layer 38 has a thickness of 1-100 nm and is a Ti(SiC) nitride having a compositional formula [Ti1-Z(SiC]Z]N and an atomic ratio Z of 0.05-0.45. The nanolayer-alternated layer 40 has a thickness of 50-1,000 nm.

Inventors:

SAKURAI MASATOSHI (JP)
WANG MEI (JP)

Application Number:

PCT/JP2015/075271

Publication Date:

March 09, 2017

Filing Date:

September 04, 2015

Export Citation:

Click for automatic bibliography generation Help

Assignee:

OSG CORP (JP)

International Classes:

C23C14/06; B23B27/14; B23B51/00; B23C5/16

Domestic Patent References:

WO2011058636A1	2011-05-19
WO2010150411A1	2010-12-29

Foreign References:

JP2011167794A	2011-09-01
JP2010207916A	2010-09-24
US20150232978A1	2015-08-20
JP2013516331A	2013-05-13

Other References: