Title:
SURFACE-COATING MATERIAL, CUTTING TOOL IN WHICH SAID MATERIAL IS USED, AND WORKING MACHINE IN WHICH SAID MATERIAL IS USED
Document Type and Number:
WIPO Patent Application WO/2014/123053
Kind Code:
A1
Abstract:
The present invention provides a surface-coating material capable of exhibiting high peeling resistance and high chipping resistance. A surface-coating material (10) is provided with a base material (11), a bottom layer (12), and a top layer (13). The base material (11) comprises high-speed tool steel or cemented carbide. The bottom layer (12) is provided on the surface of the base material (11) and comprises at least one nitride of titanium, aluminum, chromium, and zirconium. The top layer (13) is provided on the surface of the bottom layer (12) and is formed by alternatingly laminating an A layer and/or a B layer. The A layer comprises a nitride of aluminum, chromium, and silicon. The B layer comprises a nitride of aluminum, chromium, and yttrium.
Inventors:
MISAKI MASANOBU (JP)
KIKUCHI TAIJI (JP)
KIKUCHI TAIJI (JP)
Application Number:
PCT/JP2014/052025
Publication Date:
August 14, 2014
Filing Date:
January 30, 2014
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
B23B27/14; C23C14/06
Domestic Patent References:
| WO2009037776A1 | 2009-03-26 | |||
| WO2010150411A1 | 2010-12-29 |
Foreign References:
| JP2009101491A | 2009-05-14 | |||
| JP2011045970A | 2011-03-10 |
Attorney, Agent or Firm:
MITSUISHI, Toshiro et al. (JP)
Toshiro Mitsuishi (JP)
Toshiro Mitsuishi (JP)
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