Title:
CUTTING TOOL MADE OF SURFACE-COATED SUPER HARD ALLOY, AND METHOD FOR MANUFACTURE THEREOF
Document Type and Number:
WIPO Patent Application WO/2005/072895
Kind Code:
A1
Abstract:
A surface-coated cutting tool which comprises a hard substrate; an under layer being formed on the surface of the hard substrate, containing a composite compound comprising at least one of Ti and Al and at least one of N and C and having an average layer thickness of 0.1 to 3 μm; an upper layer being formed on the under layer, having a structure comprising a base material of a carbonaceous amorphous material containing W and, dispersed and distributed therein, crystalline Ti(C,N)-based compound fine particles or crystalline (Ti,Al)(C,N)-based compound fine particles and having an average layer thickness of 1 to 13 μm.
Inventors:
Morita, Keisuke c/o MITSUBISHI MATERIALS CORPORATION (Central Research Institute Naka Research
Center, 1002-14, Mukaiyama, Naka-cho, Naka-gu, Ibaraki 02, 31101, JP)
Masuno, Tomoyuki c/o MITSUBISHI MATERIALS CORPORATION (Central Research Institute Naka Research Center, 1002-14, Mukaiyama, Naka-cho, Naka-gu, Ibaraki 02, 31101, JP)
Osada, Akira c/o MITSUBISHI MATERIALS CORPORATION (Central Research Institute Naka Research Center, 1002-14, Mukaiyama, Naka-cho, Naka-gu, Ibaraki 02, 31101, JP)
Nakamura, Eiji c/o MITSUBISHI MATERIALS CORPORATION (Central Research Institute Naka Research Center, 1002-14, Mukaiyama, Naka-cho, Naka-gu, Ibaraki 02, 31101, JP)
Masuno, Tomoyuki c/o MITSUBISHI MATERIALS CORPORATION (Central Research Institute Naka Research Center, 1002-14, Mukaiyama, Naka-cho, Naka-gu, Ibaraki 02, 31101, JP)
Osada, Akira c/o MITSUBISHI MATERIALS CORPORATION (Central Research Institute Naka Research Center, 1002-14, Mukaiyama, Naka-cho, Naka-gu, Ibaraki 02, 31101, JP)
Nakamura, Eiji c/o MITSUBISHI MATERIALS CORPORATION (Central Research Institute Naka Research Center, 1002-14, Mukaiyama, Naka-cho, Naka-gu, Ibaraki 02, 31101, JP)
Application Number:
PCT/JP2005/001208
Publication Date:
August 11, 2005
Filing Date:
January 28, 2005
Export Citation:
Assignee:
MITSUBISHI MATERIALS CORPORATION (5-1 Otemachi 1-chome, Chiyoda-ku Tokyo, 17, 10081, JP)
Morita, Keisuke c/o MITSUBISHI MATERIALS CORPORATION (Central Research Institute Naka Research Center, 1002-14, Mukaiyama, Naka-cho, Naka-gu, Ibaraki 02, 31101, JP)
Masuno, Tomoyuki c/o MITSUBISHI MATERIALS CORPORATION (Central Research Institute Naka Research Center, 1002-14, Mukaiyama, Naka-cho, Naka-gu, Ibaraki 02, 31101, JP)
Osada, Akira c/o MITSUBISHI MATERIALS CORPORATION (Central Research Institute Naka Research Center, 1002-14, Mukaiyama, Naka-cho, Naka-gu, Ibaraki 02, 31101, JP)
Nakamura, Eiji c/o MITSUBISHI MATERIALS CORPORATION (Central Research Institute Naka Research Center, 1002-14, Mukaiyama, Naka-cho, Naka-gu, Ibaraki 02, 31101, JP)
Morita, Keisuke c/o MITSUBISHI MATERIALS CORPORATION (Central Research Institute Naka Research Center, 1002-14, Mukaiyama, Naka-cho, Naka-gu, Ibaraki 02, 31101, JP)
Masuno, Tomoyuki c/o MITSUBISHI MATERIALS CORPORATION (Central Research Institute Naka Research Center, 1002-14, Mukaiyama, Naka-cho, Naka-gu, Ibaraki 02, 31101, JP)
Osada, Akira c/o MITSUBISHI MATERIALS CORPORATION (Central Research Institute Naka Research Center, 1002-14, Mukaiyama, Naka-cho, Naka-gu, Ibaraki 02, 31101, JP)
Nakamura, Eiji c/o MITSUBISHI MATERIALS CORPORATION (Central Research Institute Naka Research Center, 1002-14, Mukaiyama, Naka-cho, Naka-gu, Ibaraki 02, 31101, JP)
International Classes:
B23B27/14; B23B51/00; B23C5/16; B23P15/28; C23C14/06; C23C30/00; (IPC1-7): B23B27/14; B23B51/00; B23C5/16; B23P15/28; C23C14/06
Attorney, Agent or Firm:
Shiga, Masatake (2-3-1, Yaesu Chuo-k, Tokyo 53, 10484, JP)
Download PDF: