Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CUTTING TOOL
Document Type and Number:
WIPO Patent Application WO/2013/136905
Kind Code:
A1
Abstract:
A cutting tool comprises a substrate formed of ceramic metal. The ceramic metal is formed of a hard phase formed of Ti, at least one type of metal other than Ti that is selected from groups 4, 5, and 6 of the Periodic Table, and a compound containing at least one of carbon and nitrogen, a bonded phase whose main component is an iron group metal, and unavoidable impurities. On a cutting surface of the substrate, at least one of zirconia particles and alumina particles whose average particle size is between 0.5 μm and 5 μm are scattered, and the concentration of at least one of aluminum and zirconium on the surface is between 0.5 atom% and 5 atom%.

Inventors:
HIROSE KAZUHIRO (JP)
Application Number:
PCT/JP2013/053623
Publication Date:
September 19, 2013
Filing Date:
February 15, 2013
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SUMITOMO ELEC HARDMETAL CORP (JP)
International Classes:
B23B27/14; B23B5/20
Foreign References:
JP2010194669A2010-09-09
JPH08174034A1996-07-09
JPH06172910A1994-06-21
JP2002536194A2002-10-29
JP2007007780A2007-01-18
JPH09241826A1997-09-16
JP2010194669A2010-09-09
Other References:
See also references of EP 2826578A4
Attorney, Agent or Firm:
NISHIMA, Hideaki et al. (JP)
Hideaki Futajima (JP)
Download PDF: