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Title:
SINTERED BODY AND CUTTING TOOL CONTAINING SAME
Document Type and Number:
WIPO Patent Application WO/2018/092369
Kind Code:
A9
Abstract:
This sintered body contains cubic boron nitride particles and a binder. The particle size D50 of the cubic boron nitride particles, at which the cumulative value is 50% in an area-based particle size distribution, is more than 0.5 μm but not more than 5 μm. The contained amount of the cubic boron nitride particles in the sintered body is 70-98 vol%. The binder contains Al1-xCrxN (where x satisfies 0≤x≤1), and the remaining portion is at least a first element or a compound containing the first element and a second element. The first element is one or more elements selected from the group consisting of W, Co, Ni, Mo, Al, and Cr. The second element is one or more elements selected from the group consisting of nitrogen, carbon, oxygen, and boron.

Inventors:
TAKAHAMA, Kazushi (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 〒6640016, JP)
MATSUDA, Yusuke (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 〒6640016, JP)
KUKINO, Satoru (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 〒6640016, JP)
Application Number:
JP2017/029504
Publication Date:
August 23, 2018
Filing Date:
August 17, 2017
Export Citation:
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Assignee:
SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chome, Itami-shi Hyogo, 16, 〒6640016, JP)
International Classes:
C04B35/5831; B23B27/14; B23B27/20; B23B51/00; B23C5/16; B23D77/00; B23F21/00; B23G5/06
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (Nakanoshima Festival Tower West, 2-4 Nakanoshima 3-chome, Kita-ku, Osaka-sh, Osaka 05, 〒5300005, JP)
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