公开(公告)号：WO2015163060A9

公开(公告)日：2016-09-01

申请号：PCT/JP2015058478

申请日：2015-03-20

Applicant: SUMITOMO ELECTRIC HARDMETAL CORP

Inventor： WATANOBE NAOKI ,  MATSUDA YUSUKE ,  OKAMURA KATSUMI ,  TSUKIHARA NOZOMI ,  SETOYAMA MAKOTO

IPC: C04B35/583 ,  B23B27/14

CPC classification number: B23B27/148 ,  B23B2222/84 ,  B23B2226/125 ,  B23B2228/105 ,  B23B2228/24 ,  C04B35/58021 ,  C04B35/5831 ,  C04B35/62645 ,  C04B35/645 ,  C04B41/009 ,  C04B41/52 ,  C04B41/89 ,  C04B2235/3843 ,  C04B2235/3852 ,  C04B2235/3856 ,  C04B2235/386 ,  C04B2235/781 ,  C04B2235/785 ,  C04B2235/786 ,  C04B2235/80 ,  C04B41/4529 ,  C04B41/5061 ,  C04B41/5068 ,  C04B41/5062 ,  C04B41/5063

Abstract: A composite sintered compact that contains cubic boron nitride particles and binder particles. The composite sintered compact contains 40-80 vol% inclusive of the cubic boron nitride particles. The binder particles contain TiCN particles. In an X-ray diffraction spectrum using Cu-Kα lines as a radiation source, the sintered compact shows a first peak assignable to the (200) face of the TiCN particles within a Bragg angle 2θ range of 41.7-42.6° inclusive. When diffraction intensity in the X-ray diffraction spectrum is set as a longitudinal axis (y) and the maximum value of the peak height of the first peak is referred to as (Imax), the difference between the maximum value and the minimum value of Bragg angles 2θ at two or more intersection points of a line (y= Imax/2) and the first peak is not more than 0.4°.

Abstract translation: 包含立方氮化硼颗粒和粘合剂颗粒的复合烧结体。 复合烧结体含有40〜80体积％的立方氮化硼粒子。 粘合剂颗粒含有TiCN颗粒。 在使用Cu-Kα线作为辐射源的X射线衍射光谱中，烧结体显示在包括41.7-42.6°的布拉格角2θ范围内可赋予TiCN颗粒的（200）面的第一峰。 当将X射线衍射光谱中的衍射强度设定为纵轴（y），将第一峰值的峰值高度的最大值称为（Imax）时，最大值与最小值之差 一行（y = Imax / 2）的两个或更多个交点处的布拉格角2θ与第一峰不大于0.4°。