利索-全球专利检索

  1. Login
  2. Sign Up

Search Results

580 records (took 0.02 seconds)

    METHOD OF PREPARING A MULTIMODAL CUBIC BORON NITRIDE POWDER
    16.
    发明公开
    METHOD OF PREPARING A MULTIMODAL CUBIC BORON NITRIDE POWDER 审中-公开
    制备多型立方氮化硼粉末的方法

    公开(公告)号：EP3221280A1

    公开(公告)日：2017-09-27

    申请号：EP15808489.7

    申请日：2015-11-18

    Applicant: Diamond Innovations, Inc.

    Inventor： PALMER, Jacob ,  DUES, Lawrence ,  SHAO, Rui ,  WEINL, Gerold

    IPC: C04B35/5831 ,  C04B35/626

    CPC classification number: C04B35/5831 ,  C04B35/6261 ,  C04B35/6264 ,  C04B35/6303 ,  C04B35/645 ,  C04B2235/3847 ,  C04B2235/386 ,  C04B2235/3886 ,  C04B2235/402 ,  C04B2235/405 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5472 ,  C04B2235/656 ,  C04B2235/80

    Abstract: Multi-step milling processes to prepare cBN composite powder forms a first powder mixture by adding a binder and a first cBN component, mills the first powder mixture for a first time period, combines a second cBN component with the milled first powder mixture to form a second powder mixture, and mills the second powder mixture for a second time period (less than the first time period) to form the cBN composite powder. A ratio of the D50 value of the second cBN component to the D50 value of the first cBN component is at least 3.0. Two-step milling with different milling times for the two cBN component fractions controls the amount of mill debris in the cBN composite powder mixture. Further processing of the cBN composite powder under HPHT conditions forms a cBN-based ceramic with an average value of a cBN particle free diameter of less than 2.0 microns.

    Abstract translation: 通过添加粘合剂和第一种cBN组分，在第一时间段内研磨第一种粉末混合物，将第二种cBN组分与研磨的第一种粉末混合物组合以形成 第二粉末混合物，并且将第二粉末混合物研磨第二时间段（小于第一时间段）以形成cBN复合粉末。 第二cBN组分的D50值与第一cBN组分的D50值之比至少为3.0。 对于两种cBN组分部分，用不同研磨时间的两步研磨控制了cBN复合粉末混合物中研磨碎片的量。 在HPHT条件下进一步处理cBN复合粉末形成cBN颗粒自由直径小于2.0微米的平均值的cBN基陶瓷。

    CUBIC BORON NITRIDE SINTERED BODY, AND COATED CUBIC BORON NITRIDE SINTERED BODY
    18.
    发明公开
    CUBIC BORON NITRIDE SINTERED BODY, AND COATED CUBIC BORON NITRIDE SINTERED BODY 审中-公开
    WÜRFELFÖRMIGERGESINTERTERBORNITRIDKÖRPERUNDWÜRFELFÖRMIGERGESINTERTERBORNITRIDKÖRPERMIT EINER BESCHICHTUNG

    公开(公告)号：EP3061738A4

    公开(公告)日：2017-06-14

    申请号：EP14855198

    申请日：2014-10-22

    Applicant: TUNGALOY CORP

    Inventor： KOBAYASHI KOTA

    IPC: C04B35/583 ,  B23B27/14 ,  B23B27/20 ,  C04B41/87

    CPC classification number: C04B35/5831 ,  C04B35/6303 ,  C04B35/638 ,  C04B35/645 ,  C04B41/009 ,  C04B41/5068 ,  C04B41/87 ,  C04B2235/386 ,  C04B2235/3865 ,  C04B2235/3886 ,  C04B2235/402 ,  C04B2235/404 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/785 ,  C04B2235/786 ,  C04B2235/80 ,  C04B2235/9607 ,  C04B41/4529 ,  C04B41/5063

    Abstract: An object of the present invention is to provide a cubic boron nitride sintered body and a coated cubic boron nitride sintered body which can elongate lifetime of a cutting tool or a wear resistant tool. The cubic boron nitride sintered body contains cubic boron nitride, a binder phase and inevitable impurities. An amount of the cubic boron nitride is 50% by volume or more and 80% by volume or less. A total amount of the binder phase and the inevitable impurities is 20% by volume or more and 50% by volume or less. The binder phase contains an Al compound and a Ti compound. The Al compound contains an Al element and at least one element selected from the group consisting of N, O and B. The Ti compound contains a Ti element and at least one element selected from the group consisting of C, N and B. When an X-ray diffraction intensity at a (100) plane of the AlN is made I 1 and an X-ray diffraction intensity at a (104) plane of the Al 2 O 3 is made I 2 , then I 1 /I 2 is 6 or more and 40 or less. When a total area of the cubic boron nitride and the Al compound is made S1, and an area of a region at which the cubic boron nitride and the Al compound are continuously contacted is made S2, then S2/S1 is 0.98 or more and 1.00 or less.

    Abstract translation: 本发明的一个目的是提供一种立方氮化硼烧结体和涂覆的立方氮化硼烧结体，其能够延长切削工具或耐磨工具的寿命。 立方氮化硼烧结体含有立方氮化硼，粘结相和不可避免的杂质。 立方氮化硼的含量为50体积％以上且80体积％以下。 粘结相和不可避免的杂质的总量为20体积％以上且50体积％以下。 粘结相包含Al化合物和Ti化合物。 Al化合物包含Al元素和选自N，O和B中的至少一种元素。Ti化合物包含Ti元素和选自C，N和B中的至少一种元素。当 将AlN的（100）面的X射线衍射强度设为I 1，将Al 2 O 3的（104）面的X射线衍射强度设为I 2，则I 1 / I 2为6 或更多并且40或更少。 当立方氮化硼和Al化合物的总面积为S1，并且立方氮化硼和Al化合物连续接触的区域的面积为S2时，则S2 / S1为0.98以上且1.00 或更少。

Patent Agency Ranking