Title:
CUTTING TOOL EXCELLENT IN HARD PHASE ADHESION, MADE OF ULTRA-HIGH PRESSURE SINTERED MATERIAL
Document Type and Number:
Japanese Patent JPH04322903
Kind Code:
A
Abstract:
PURPOSE: To enhance the wear resistance of a cutting tool made of an ultra-high pressure sintered material composed of a diamond hard phase, c-BN hard phase and a Ti compound group binding phase.
CONSTITUTION: A cutting tool is made of an ultra-high pressure sintered material composed of 10 to 60vol.% of a Ti compound group binding phase consisting of more than one kind materials among TiC, TiN and TiCN, as a main component, with inevitable impurities, and 10 to 60% of a diamond hard phase covered with a vapor-deposited c-BN layer having a thickness of 0.01 to 5μm and 10 to 60% of a C-BN hard phase.
Inventors:
TANASE TERUYOSHI
YAMAMOTO KAZUO
NAKANO KOICHI
YAMAMOTO KAZUO
NAKANO KOICHI
Application Number:
JP11942291A
Publication Date:
November 12, 1992
Filing Date:
April 23, 1991
Export Citation:
Assignee:
MITSUBISHI MATERIALS CORP
International Classes:
B22F7/00; B23B27/14; (IPC1-7): B22F7/00; B23B27/14
Attorney, Agent or Firm:
Kazuo Tomita (1 person outside)