POLYCRYSTALLINE DIAMOND COMPACTS, METHOD OF FABRICATING SAME, AND VARIOUS APPLICATIONS
    11.
    发明申请
    POLYCRYSTALLINE DIAMOND COMPACTS, METHOD OF FABRICATING SAME, AND VARIOUS APPLICATIONS 有权
    多晶金刚石复合材料,其制造方法及各种应用

    公开(公告)号:US20110017519A1

    公开(公告)日:2011-01-27

    申请号:US12690998

    申请日:2010-01-21

    摘要: Embodiments of the invention relate to polycrystalline diamond (“PCD”) exhibiting enhanced diamond-to-diamond bonding. In an embodiment, polycrystalline diamond compact (“PDC”) includes a PCD table having a maximum thickness. At least a portion of the PCD table includes a plurality of diamond grains defining a plurality of interstitial regions. A metal-solvent catalyst occupies at least a portion of the plurality of interstitial regions. The plurality of diamond grains and the metal-solvent catalyst collectively exhibit a coercivity of about 115 Oersteds (“Oe”) or more and a specific magnetic saturation of about 15 Gauss·cm3/grams (“G·cm3/g”) or less. The PDC includes a substrate having an interfacial surface that is bonded to the PCD table. The interfacial surface exhibits a substantially planar topography. Other embodiments are directed to methods of forming PCD and PDCs, and various applications for such PCD and PDCs in rotary drill bits, bearing apparatuses, and wire-drawing dies.

    摘要翻译: 本发明的实施方案涉及显示增强的金刚石 - 金刚石键合的多晶金刚石(“PCD”)。 在一个实施例中,多晶金刚石复合体(“PDC”)包括具有最大厚度的PCD台。 PCD表的至少一部分包括限定多个间隙区域的多个金刚石晶粒。 金属溶剂催化剂占据多个间隙区域的至少一部分。 多个金刚石晶粒和金属 - 溶剂催化剂共同表现出约115奥斯特(“Oe”)或更高的矫顽磁力和约15高斯·cm 3 /克(“G·cm 3 / g”)或更小的特定磁饱和度 。 PDC包括具有接合到PCD台的界面的基底。 界面表面呈现基本平坦的形貌。 其他实施例涉及形成PCD和PDC的方法,以及用于旋转钻头,轴承装置和拉丝模具中的这种PCD和PDC的各种应用。

    Polycrystalline diamond compacts, method of fabricating same, and various applications
    12.
    发明授权
    Polycrystalline diamond compacts, method of fabricating same, and various applications 有权
    多晶金刚石压块,其制造方法以及各种应用

    公开(公告)号:US08297382B2

    公开(公告)日:2012-10-30

    申请号:US12690998

    申请日:2010-01-21

    IPC分类号: E21B10/36 E21B10/46

    摘要: Embodiments of the invention relate to polycrystalline diamond (“PCD”) exhibiting enhanced diamond-to-diamond bonding. In an embodiment, polycrystalline diamond compact (“PDC”) includes a PCD table having a maximum thickness. At least a portion of the PCD table includes a plurality of diamond grains defining a plurality of interstitial regions. A metal-solvent catalyst occupies at least a portion of the plurality of interstitial regions. The plurality of diamond grains and the metal-solvent catalyst collectively exhibit a coercivity of about 115 Oersteds (“Oe”) or more and a specific magnetic saturation of about 15 Gauss·cm3/grams (“G·cm3/g”) or less. The PDC includes a substrate having an interfacial surface that is bonded to the PCD table. The interfacial surface exhibits a substantially planar topography. Other embodiments are directed to methods of forming PCD and PDCs, and various applications for such PCD and PDCs in rotary drill bits, bearing apparatuses, and wire-drawing dies.

    摘要翻译: 本发明的实施方案涉及显示出增强的金刚石与金刚石结合的多晶金刚石(PCD)。 在一个实施例中,多晶金刚石复合体(PDC)包括具有最大厚度的PCD台。 PCD表的至少一部分包括限定多个间隙区域的多个金刚石晶粒。 金属溶剂催化剂占据多个间隙区域的至少一部分。 多个金刚石晶粒和金属 - 溶剂催化剂共同表现出约115奥斯特(Oe)以上的矫顽磁力和约15高斯·cm 3 /克(G·cm 3 / g)以下的比磁饱和。 PDC包括具有接合到PCD台的界面的基底。 界面表面呈现基本平坦的形貌。 其他实施例涉及形成PCD和PDC的方法,以及用于旋转钻头,轴承装置和拉丝模具中的这种PCD和PDC的各种应用。

    Polycrystalline diamond compacts including at least one transition layer and methods for stress management in polycrsystalline diamond compacts
    17.
    发明授权
    Polycrystalline diamond compacts including at least one transition layer and methods for stress management in polycrsystalline diamond compacts 有权
    包括至少一个过渡层的多晶金刚石压块和多晶金刚石压块中的应力管理方法

    公开(公告)号:US08727046B2

    公开(公告)日:2014-05-20

    申请号:US13087775

    申请日:2011-04-15

    IPC分类号: E21B10/36 E21B10/567

    摘要: Embodiments relate to polycrystalline diamond compacts (“PDCs”) that are less susceptible to liquid metal embrittlement damage due to the use of at least one transition layer between a polycrystalline diamond (“PCD”) layer and a substrate. In an embodiment, a PDC includes a PCD layer, a cemented carbide substrate, and at least one transition layer bonded to the substrate and the PCD layer. The at least one transition layer is formulated with a coefficient of thermal expansion (“CTE”) that is less than a CTE of the substrate and greater than a CTE of the PCD layer. At least a portion of the PCD layer includes diamond grains defining interstitial regions and a metal-solvent catalyst occupying at least a portion of the interstitial regions. The diamond grains and the catalyst collectively exhibit a coercivity of about 115 Oersteds or more and a specific magnetic saturation of about 15 Gauss·cm3/grams or less.

    摘要翻译: 实施例涉及由于在多晶金刚石(“PCD”)层和基底之间使用至少一个过渡层而对液态金属脆化损伤较不敏感的多晶金刚石压块(“PDC”)。 在一个实施例中,PDC包括PCD层,硬质合金基底和结合到基底和PCD层的至少一个过渡层。 所述至少一个过渡层被配制成具有小于衬底的CTE且大于PCD层的CTE的热膨胀系数(“CTE”)。 PCD层的至少一部分包括限定间隙区域的金刚石颗粒和占据间隙区域的至少一部分的金属溶剂催化剂。 金刚石颗粒和催化剂共同表现出约115奥斯特或更高的矫顽磁力和约15高斯·厘米3 /克或更低的特定磁饱和度。