SURFACE-COATED CUTTING TOOL - SUMITOMO ELEC HARDMETAL CORP

Title:

SURFACE-COATED CUTTING TOOL

Document Type and Number:

WIPO Patent Application WO/2013/157472

Kind Code:

A1

Abstract:

This surface-coated cutting tool is characterized in including a substrate and a coating film formed on the substrate, the coating film including one or more layers, the layer of the coating film that is adjacent to the substrate being a TiN layer, the TiN layer including, along with TiN, at least one element, said element having a concentration distribution in the thickness direction of the TiN layer, and the concentration distribution including a region in which the concentration of said element decreases from the substrate side to the coating film surface side.

Inventors:

IMAMURA SHINYA (JP)
ICHIKAWA TAKAHIRO (JP)
OKUNO SUSUMU (JP)
KANAOKA HIDEAKI (JP)
TSUDA KEIICHI (JP)

Application Number:

PCT/JP2013/060912

Publication Date:

October 24, 2013

Filing Date:

April 11, 2013

Export Citation:

Click for automatic bibliography generation Help

Assignee:

SUMITOMO ELEC HARDMETAL CORP (JP)

International Classes:

B23B27/14; B23C5/16; C23C16/30

Foreign References:

JP2011011331A	2011-01-20
JP2005153098A	2005-06-16
JPH05237707A	1993-09-17
JP2010076029A	2010-04-08
JPH08118105A	1996-05-14
JPH05237707A	1993-09-17
JP2002331403A	2002-11-19

Other References:

KAZUHIRO AKIYAMA ET AL.: "A study of the adhesion between CVD layers and a cemented carbide substrate by AEM analysis", SURFACE AND COATINGS TECHNOLOGY, vol. 94-95, 1997, pages 328 - 332, XP055172142
See also references of EP 2839907A4

Attorney, Agent or Firm:

Fukami Patent Office, p. c. (JP)
Patent business corporation Fukami patent firm (JP)

Download PDF:

View/Download PDF PDF Help

Previous Patent: CLUTCH DEVICE

Next Patent: EDGED TOOL, MANUFACTURING METHOD THEREFOR, AND PLASMA DEVICE FOR MANUFACTURING SAME