公开(公告)号：US20110067929A1

公开(公告)日：2011-03-24

申请号：US12649784

申请日：2009-12-30

Applicant: Debkumar Mukhopadhyay ,  Kenneth E. Bertagnolli ,  Jair J. Gonzalez

Inventor： Debkumar Mukhopadhyay ,  Kenneth E. Bertagnolli ,  Jair J. Gonzalez

IPC: E21B10/573 ,  E21B10/42 ,  E21B10/55 ,  B24D3/04

CPC classification number: E21B10/573 ,  B01J3/062 ,  B01J2203/063 ,  B01J2203/0655 ,  B24D99/005 ,  C04B35/528 ,  C04B2235/3847 ,  C04B2237/36 ,  C04B2237/363 ,  C04B2237/555 ,  C22C19/07 ,  C22C29/08 ,  C22C2204/00 ,  E21B10/567 ,  E21B10/5735 ,  F16C33/043 ,  F16C2352/00 ,  Y10T428/30

Abstract: In an embodiment, a polycrystalline diamond compact (“PDC”) comprises a cemented carbide substrate including a first cemented carbide portion exhibiting a first concentration of chromium carbide and a second cemented carbide portion bonded to the first cemented carbide portion and exhibiting a second concentration of chromium carbide that is greater than the first concentration. The PDC further comprises a polycrystalline diamond (“PCD”) table bonded to the first cemented carbide portion. The PCD table includes a plurality of bonded diamond grains exhibiting diamond-to-diamond bonding therebetween, with the plurality of bonded diamond grains defining a plurality of interstitial regions. The PCD table includes chromium present in a concentration less than about 0.25 weight %.

Abstract translation: 在一个实施例中，多晶金刚石复合体（“PDC”）包括硬质合金基体，该硬质合金基体包括表现出第一浓度的碳化铬的第一硬质合金部分和与第一硬质合金部分结合的第二硬质合金部分， 大于第一浓度的碳化铬。 PDC还包括结合到第一硬质合金部分的多晶金刚石（“PCD”）台。 PCD表包括多个结合的金刚石晶粒，其间形成金刚石 - 金刚石结合，多个结合的金刚石晶粒限定多个间隙区域。 PCD表包括以小于约0.25重量％的浓度存在的铬。

公开(公告)号：US20100212971A1

公开(公告)日：2010-08-26

申请号：US12393391

申请日：2009-02-26

Applicant: Debkumar Mukhopadhyay ,  Kenneth E. Bertagnolli ,  Mohammad N. Sani

Inventor： Debkumar Mukhopadhyay ,  Kenneth E. Bertagnolli ,  Mohammad N. Sani

IPC: E21B10/567 ,  E21B10/55 ,  E21B10/42 ,  B32B3/00 ,  B05D3/02

CPC classification number: B24D3/10 ,  B22F2005/001 ,  B22F2998/00 ,  C04B35/528 ,  C04B2235/3847 ,  C04B2237/36 ,  C04B2237/363 ,  C04B2237/555 ,  C22C26/00 ,  C22C2204/00 ,  E21B10/5735 ,  Y10T428/24893 ,  Y10T428/30 ,  C22C29/08

Abstract: Embodiments relate to polycrystalline diamond compacts (“PDCs”) including a polycrystalline diamond (“PCD”) table that is substantially free of defects formed due to abnormal grain growth of tungsten carbide grains, and methods of fabricating such PDCs. In an embodiment, a PDC comprises a cemented tungsten carbide substrate including an interfacial surface that is substantially free of tungsten carbide grains exhibiting abnormal grain growth, and a PCD table bonded to the interfacial surface of the cemented tungsten carbide substrate. The PCD table includes a plurality of bonded diamond grains defining a plurality of interstitial regions. At least a portion of the interstitial regions includes a metal-solvent catalyst disposed therein. The PCD table may be substantially free of chromium or the PCD table and the cemented tungsten carbide substrate may each include chromium.

Abstract translation: 实施例涉及包括基本上没有由碳化钨颗粒的异常晶粒生长形成的缺陷的多晶金刚石（“PCD”）表的多晶金刚石压块（“PDC”），以及制造这种PDC的方法。 在一个实施方案中，PDC包括包含基本上不含显示异常晶粒生长的碳化钨颗粒的界面的粘结碳化钨基材和结合到粘结碳化钨基材的界面表面的PCD表。 PCD表包括限定多个间隙区域的多个结合金刚石晶粒。 间隙区域的至少一部分包括设置在其中的金属 - 溶剂催化剂。 PCD表可以基本上不含铬或PCD台，并且硬质合金碳化物基材可以各自包含铬。

公开(公告)号：US09459236B2

公开(公告)日：2016-10-04

申请号：US12858906

申请日：2010-08-18

Applicant: Kenneth E. Bertagnolli ,  Jiang Qian ,  Jason Wiggins ,  Michael A. Vail ,  Debkumar Mukhopadhyay

Inventor： Kenneth E. Bertagnolli ,  Jiang Qian ,  Jason Wiggins ,  Michael A. Vail ,  Debkumar Mukhopadhyay

IPC: B24D3/10 ,  E21B10/567 ,  G01N27/72 ,  C22C26/00 ,  F16C33/04 ,  F16C33/26 ,  B21C3/02 ,  G01N27/80 ,  F16C17/04 ,  F16C17/02

CPC classification number: C04B37/001 ,  B21C3/025 ,  B24D18/0009 ,  C04B2237/36 ,  C04B2237/363 ,  C22C26/00 ,  E21B10/567 ,  F16C17/02 ,  F16C17/04 ,  F16C33/043 ,  F16C33/26 ,  F16C2206/04 ,  F16C2206/82 ,  F16C2220/20 ,  F16C2240/40 ,  F16C2240/48 ,  F16C2352/00 ,  G01N27/72 ,  G01N27/80 ,  Y10T428/24058 ,  Y10T428/24997 ,  Y10T428/25 ,  Y10T428/252 ,  Y10T428/30

Abstract: Embodiments of the invention relate to polycrystalline diamond (“PCD”) exhibiting enhanced diamond-to-diamond bonding. In an embodiment, PCD 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 Oersteads (“Oe”) or more and a specific magnetic saturation of about 15 Gauss·cm3/grams (“G·cm3/g”) or less. Other embodiments are directed to polycrystalline diamond compacts (“PDCs”) employing such PCD, methods of forming PCD and PDCs, and various applications for such PCD and PDCs in rotary drill bits, bearing apparatuses, and wire-drawing dies.

Abstract translation: 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，PCD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”）或更高的矫顽力和约15高斯·cm3 /克（“G·cm3 / g”）或更低的特定磁饱和度 。 其他实施方案涉及采用这种PCD的多晶金刚石压块（“PDC”），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。

公开(公告)号：US09297411B2

公开(公告)日：2016-03-29

申请号：US13432224

申请日：2012-03-28

Applicant: S Barrett Peterson ,  Jair J. Gonzalez ,  Kenneth E. Bertagnolli ,  Debkumar Mukhopadhyay ,  David P. Miess ,  Mark P. Chapman ,  Ronald W. Ward ,  Nicholas Christensen ,  Damon B. Crockett ,  Mohammad N. Sani

Inventor： S Barrett Peterson ,  Jair J. Gonzalez ,  Kenneth E. Bertagnolli ,  Debkumar Mukhopadhyay ,  David P. Miess ,  Mark P. Chapman ,  Ronald W. Ward ,  Nicholas Christensen ,  Damon B. Crockett ,  Mohammad N. Sani

IPC: F16C17/04 ,  B21K1/04 ,  F16C17/02 ,  F16C33/02 ,  E21B4/00 ,  F16C37/00 ,  F16C33/04 ,  F16C33/10 ,  F16C33/26 ,  E21B17/03

CPC classification number: F16C33/108 ,  B21K1/04 ,  E21B4/003 ,  E21B17/03 ,  F16C17/02 ,  F16C17/04 ,  F16C33/043 ,  F16C33/1085 ,  F16C33/26 ,  F16C37/002 ,  F16C2206/04 ,  F16C2206/82 ,  F16C2240/42 ,  F16C2240/48 ,  F16C2352/00 ,  Y10T29/49645

Abstract: Bearing assemblies, apparatuses, and motor assemblies using the same are disclosed. In an embodiment, a bearing assembly may include a plurality of superhard bearing elements distributed circumferentially about an axis. Each of the superhard bearing elements may include a bearing surface. At least one of the plurality of superhard bearing elements may include at least one texture feature that may be formed in a lateral surface thereof. The bearing assembly may also include a support ring that carries the superhard bearing elements.

Abstract translation: 公开了使用其的轴承组件，装置和电动机组件。 在一个实施例中，轴承组件可以包括围绕轴线周向分布的多个超硬轴承元件。 每个超硬轴承元件可以包括支承表面。 多个超硬轴承元件中的至少一个可以包括可以在其侧表面中形成的至少一个纹理特征。 轴承组件还可以包括承载超硬轴承元件的支撑环。

公开(公告)号：US09272392B2

公开(公告)日：2016-03-01

申请号：US13275372

申请日：2011-10-18

Applicant: Debkumar Mukhopadhyay ,  Jair J. Gonzalez

Inventor： Debkumar Mukhopadhyay ,  Jair J. Gonzalez

IPC: E21B10/46 ,  B24D3/06 ,  B01J3/06 ,  B24D18/00 ,  B24D99/00

CPC classification number: B24D3/06 ,  B01J3/062 ,  B01J2203/062 ,  B01J2203/0655 ,  B01J2203/0685 ,  B24D18/0009 ,  B24D99/005 ,  E21B10/46 ,  E21B10/56

Abstract: Embodiments relate to polycrystalline diamond compacts (“PDCs”) and methods of manufacturing such PDCs in which an at least partially leached polycrystalline diamond (“PCD”) table is infiltrated with a low viscosity cobalt-based alloy infiltrant. In an embodiment, a method includes forming a PCD table in the presence of a metal-solvent catalyst in a first high-pressure/high-temperature (“HPHT”) process. The method includes at least partially leaching the PCD table to remove at least a portion of the metal-solvent catalyst therefrom to form an at least partially leached PCD table. The method includes subjecting the at least partially leached PCD table and a substrate to a second HPHT process effective to at least partially infiltrate the at least partially leached PCD table with a cobalt-based alloy infiltrant having a composition at or near a eutectic composition of the cobalt-based alloy infiltrant.

Abstract translation: 实施例涉及多晶金刚石压块（“PDC”）以及制造这样的PDC的方法，其中至少部分浸出的多晶金刚石（“PCD”）工作台用低粘度钴基合金渗透剂渗透。 在一个实施方案中，一种方法包括在第一高压/高温（“HPHT”）方法中在金属溶剂催化剂存在下形成PCD表。 该方法包括至少部分浸出PCD表以从其中除去至少一部分金属 - 溶剂催化剂以形成至少部分浸出的PCD台。 该方法包括使至少部分浸出的PCD台和基板经受有效的至少部分浸渗的PCD台的第二HPHT方法，所述第二HPHT工艺具有钴基合金浸渗剂，所述钴基合金浸渗剂具有或接近共晶组成 钴基合金浸润剂。

公开(公告)号：US09134275B2

公开(公告)日：2015-09-15

申请号：US13085689

申请日：2011-04-13

Applicant: Kenneth E. Bertagnolli ,  Jiang Qian ,  Jason Wiggins ,  Michael A. Vail ,  Debkumar Mukhopadhyay

Inventor： Kenneth E. Bertagnolli ,  Jiang Qian ,  Jason Wiggins ,  Michael A. Vail ,  Debkumar Mukhopadhyay

IPC: G01N27/72 ,  C22C26/00 ,  F16C17/04 ,  F16C33/04 ,  F16C33/26 ,  F16C17/02 ,  B21C3/02 ,  G01N27/80

CPC classification number: C04B37/001 ,  B21C3/025 ,  B24D18/0009 ,  C04B2237/36 ,  C04B2237/363 ,  C22C26/00 ,  E21B10/567 ,  F16C17/02 ,  F16C17/04 ,  F16C33/043 ,  F16C33/26 ,  F16C2206/04 ,  F16C2206/82 ,  F16C2220/20 ,  F16C2240/40 ,  F16C2240/48 ,  F16C2352/00 ,  G01N27/72 ,  G01N27/80 ,  Y10T428/24058 ,  Y10T428/24997 ,  Y10T428/25 ,  Y10T428/252 ,  Y10T428/30

Abstract: Embodiments of the invention relate to polycrystalline diamond (“PCD”) exhibiting enhanced diamond-to-diamond bonding. In an embodiment, PCD 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 Oersteads or more and a specific magnetic saturation of about 15 Gauss·cm3/grams or less. Other embodiments are directed to polycrystalline diamond compacts (“PDCs”) employing such PCD, methods of forming PCD and PDCs, and various applications for such PCD and PDCs in rotary drill bits, bearing apparatuses, and wire-drawing dies.

Abstract translation: 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，PCD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奥斯特德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。 其他实施方案涉及采用这种PCD的多晶金刚石压块（“PDC”），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。

公开(公告)号：US08951317B1

公开(公告)日：2015-02-10

申请号：US12767717

申请日：2010-04-26

Applicant: Debkumar Mukhopadhyay ,  Kenneth Eugene Bertagnolli

Inventor： Debkumar Mukhopadhyay ,  Kenneth Eugene Bertagnolli

IPC: B24B1/00 ,  B24D11/00

CPC classification number: E21B10/46 ,  C23C14/0641

Abstract: A method of processing a polycrystalline diamond element is disclosed. The method may include depositing a vaporized material over a selected portion of a polycrystalline diamond element to form a protective coating over the selected portion. The polycrystalline diamond element may include a polycrystalline diamond table. The method may also include exposing at least a portion of the polycrystalline diamond element to a leaching solution such that the leaching solution contacts an exposed surface region of the polycrystalline diamond table and at least a portion of the protective coating. The method may also include removing the polycrystalline diamond element from the leaching solution. The protective coating may be substantially impermeable to the leaching solution.

Abstract translation: 公开了一种处理多晶金刚石元件的方法。 该方法可以包括在多晶金刚石元件的选定部分上沉积蒸发的材料，以在所选择的部分上形成保护涂层。 多晶金刚石元件可以包括多晶金刚石台。 该方法还可以包括将至少一部分多晶金刚石元件暴露于浸出溶液，使得浸出溶液接触多晶金刚石台的暴露表面区域和保护涂层的至少一部分。 该方法还可以包括从浸出溶液中去除多晶金刚石元件。 保护涂层可能对浸出溶液基本上是不可渗透的。

公开(公告)号：US08945249B1

公开(公告)日：2015-02-03

申请号：US13160729

申请日：2011-06-15

Applicant: Debkumar Mukhopadhyay ,  Kenneth E. Bertagnolli

Inventor： Debkumar Mukhopadhyay ,  Kenneth E. Bertagnolli

IPC: B24D3/00 ,  E21B10/46

CPC classification number: B24D99/005

Abstract: Embodiments of methods for measuring one or more magnetic characteristics of a polycrystalline diamond (“PCD”) element and use of those results to adjust one or more process parameters for fabricating a PCD element and/or for quality control are disclosed. Measurements of one or more magnetic characteristics may be used to adjust process parameters for fabrication of a PCD element to, for example, control catalyst concentration and/or the extent of diamond-to-diamond bonding in the PCD element.

Abstract translation: 公开了用于测量多晶金刚石（“PCD”）元件的一个或多个磁特性的方法和使用这些结果来调整用于制造PCD元件和/或用于质量控制的一个或多个工艺参数的方法的实施例。 可以使用一个或多个磁特性的测量来调节用于制造PCD元件的工艺参数，例如控制催化剂浓度和/或PCD元件中金刚石 - 金刚石结合的程度。

公开(公告)号：US08663349B2

公开(公告)日：2014-03-04

申请号：US12608155

申请日：2009-10-29

Applicant: Mohammad N. Sani ,  Jair J. Gonzalez ,  Andrew E. Dadson ,  Debkumar Mukhopadhyay

Inventor： Mohammad N. Sani ,  Jair J. Gonzalez ,  Andrew E. Dadson ,  Debkumar Mukhopadhyay

IPC: B24D11/00

CPC classification number: B24D3/10 ,  B22F3/24 ,  B22F5/00 ,  B22F7/06 ,  B24D18/0009 ,  B24D18/0027 ,  C22C26/00 ,  Y10T428/12028 ,  Y10T428/12056 ,  Y10T428/24355 ,  Y10T428/30

Abstract: Embodiments of the invention relate to polycrystalline diamond compacts (“PDCs”) and methods of fabricating polycrystalline diamond tables and PDCs in a manner that facilitates removal of metal-solvent catalyst used in the manufacture of polycrystalline diamond tables of such PDCs.

Abstract translation: 本发明的实施方案涉及多晶金刚石压块（“PDC”）以及制造多晶金刚石表和PDC的方法，其方式是有助于去除用于制造这种PDC的多晶金刚石表的金属 - 溶剂催化剂。

公开(公告)号：US08608815B2

公开(公告)日：2013-12-17

申请号：US13285262

申请日：2011-10-31

Applicant: Debkumar Mukhopadhyay ,  Kenneth E. Bertagnolli ,  Mohammad N. Sani

Inventor： Debkumar Mukhopadhyay ,  Kenneth E. Bertagnolli ,  Mohammad N. Sani

IPC: B24D3/02 ,  C09C1/68 ,  C09K3/14

CPC classification number: B24D3/10 ,  B22F2005/001 ,  B22F2998/00 ,  C04B35/528 ,  C04B2235/3847 ,  C04B2237/36 ,  C04B2237/363 ,  C04B2237/555 ,  C22C26/00 ,  C22C2204/00 ,  E21B10/5735 ,  Y10T428/24893 ,  Y10T428/30 ,  C22C29/08

Abstract: Embodiments relate to methods of manufacturing polycrystalline diamond compacts (“PDCs”). In an embodiment, a method of fabricating a PDC includes positioning a plurality of diamond particles adjacent to a cemented carbide material. The cemented carbide material includes one or more types of tungsten-containing eta phases. The method further includes subjecting the plurality of diamond particles and the cemented carbide material to a high-pressure/high-temperature process effective to sinter the plurality of diamond particles so that a polycrystalline diamond table is formed without tungsten carbide grains of the cemented carbide material exhibiting abnormal grain growth that project into the polycrystalline diamond table.

Abstract translation: 实施例涉及制造多晶金刚石压块（“PDCs”）的方法。 在一个实施例中，制造PDC的方法包括定位邻近硬质合金材料的多个金刚石颗粒。 硬质合金材料包括一种或多种类型的含钨的η相。 该方法还包括使多个金刚石颗粒和硬质合金材料经受有效地烧结多个金刚石颗粒的高压/高温工艺，使得形成多晶金刚石台而不具有硬质合金材料的碳化钨颗粒 表现出异常晶粒生长，投射到多晶金刚石台中。