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1. 发明申请

US20120181090A1 ROTARY DRILL BIT INCLUDING AT LEAST ONE SUPERABRASIVE CUTTING ELEMENT HAVING A DIAMOND-SILICON CARBIDE COMPOSITE TABLE 有权
标题翻译：旋转钻头包括至少一个具有金刚石碳化物复合材料表的超级切割元件
公开(公告)号：US20120181090A1
公开(公告)日：2012-07-19
申请号：US13431027
申请日：2012-03-27
申请人： Jiang Qian , Kenneth E. Bertagnolli , Michael A. Vail , Jason Wiggins , Jim I. Dewberry , David P. Miess
发明人： Jiang Qian , Kenneth E. Bertagnolli , Michael A. Vail , Jason Wiggins , Jim I. Dewberry , David P. Miess
IPC分类号： E21B10/36
CPC分类号： B24D3/10 , B24D18/00 , B82Y30/00 , C04B35/52 , C04B35/6261 , C04B35/62802 , C04B35/6316 , C04B35/645 , C04B2235/3826 , C04B2235/383 , C04B2235/3834 , C04B2235/427 , C04B2235/428 , C04B2235/5436 , C04B2235/5445 , C04B2235/5454 , C04B2235/5472 , C04B2235/781 , C04B2235/785 , C04B2235/786 , C04B2235/80 , C04B2235/96 , C04B2235/9607 , F16C17/02 , F16C17/04 , F16C33/043 , F16C33/26 , F16C2206/04 , F16C2220/20 , F16C2240/48 , F16C2352/00 , Y10T428/252 , Y10T428/30
摘要： Embodiments relate to rotary drill bits that employ superabrasive cutting elements including a diamond-silicon carbide composite table. In an embodiment, a rotary drill bit includes a bit body configured to engage a subterranean formation. The bit body includes a plurality of blades. The rotary drill bit further includes a plurality of superabrasive cutting elements. Each of the superabrasive cutting elements is attached to a corresponding one of the cutting blades. At least one of the superabrasive cutting elements includes a substrate and a superabrasive table bonded to the substrate. The superabrasive table comprises diamond-silicon carbide composite including a matrix comprising nanometer-sized silicon carbide grains and micrometer-sized diamond grains dispersed through the matrix.
摘要翻译：实施例涉及使用包括金刚石 - 碳化硅复合台的超级磨料切割元件的旋转钻头。在一个实施例中，旋转钻头包括构造成接合地下地层的钻头体。钻头体包括多个叶片。旋转钻头还包括多个超研磨切割元件。每个超级磨料切割元件附接到相应的一个切割刀片。超级磨料切割元件中的至少一个包括基底和结合到基底的超级磨料台。超级磨料台包括金刚石 - 碳化硅复合材料，其包括通过基体分散的纳米级碳化硅晶粒和微米级金刚石颗粒的基体。

2. 发明申请

US20120011779A1 POLYCRYSTALLINE DIAMOND MATERIALS AND RELATED PRODUCTS 失效
标题翻译：多晶金刚石材料及相关产品
公开(公告)号：US20120011779A1
公开(公告)日：2012-01-19
申请号：US13245249
申请日：2011-09-26
申请人： Michael A. Vail , Kenneth E. Bertagnolli , Jason Wiggins , Jiang Qian , David P. Miess
发明人： Michael A. Vail , Kenneth E. Bertagnolli , Jason Wiggins , Jiang Qian , David P. Miess
IPC分类号： B24D3/10 , C09K3/14 , C01B31/00
CPC分类号： E21B10/46 , B01J3/062 , B01J2203/062 , B01J2203/0655 , B01J2203/0685
摘要： Embodiments relate to methods of fabricating PCD materials by subjecting a mixture that exhibits a broad diamond particle size distribution to an HPHT process, PCD materials so-formed, and PDCs including a polycrystalline diamond table comprising such PCD materials. In an embodiment, a PCD material includes a plurality of bonded diamond grains that exhibit a substantially unimodal diamond grain size distribution characterized, at least in part, by a parameter θ that is less than about 1.0. θ = x 6 · σ , where x is the average grain size of the substantially unimodal diamond grain size distribution, and σ is the standard deviation of the substantially unimodal diamond grain size distribution.
摘要翻译：实施方案涉及通过使表现出宽金刚石粒度分布的混合物经受HPHT方法，所形成的PCD材料和包括包含这种PCD材料的多晶金刚石台的PDC来制造PCD材料的方法。在一个实施方案中，PCD材料包括多个结合的金刚石晶粒，其表现出基本上单峰金刚石晶粒尺寸分布，其至少部分地由参数和特征表征; 小于约1.0。＆thetas; = x 6·＆sgr ，其中x是基本上单峰金刚石晶粒尺寸分布的平均晶粒尺寸，是基本上单峰金刚石晶粒尺寸分布的标准偏差。

3. 发明申请

US20110017519A1 POLYCRYSTALLINE DIAMOND COMPACTS, METHOD OF FABRICATING SAME, AND VARIOUS APPLICATIONS 有权
标题翻译：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
申请人： Kenneth E. Bertagnolli , David P. Miess , Jiang Qian , Jason K. Wiggins , Michael A. Vail , Debkumar Mukhopadhyay
发明人： Kenneth E. Bertagnolli , David P. Miess , Jiang Qian , Jason K. Wiggins , Michael A. Vail , Debkumar Mukhopadhyay
IPC分类号： E21B10/46 , B32B5/30 , B24D3/10 , B32B7/04
CPC分类号： E21B10/36 , B22F7/08 , B22F2998/00 , B24D18/00 , C22C26/00 , E21B10/5735 , F16C33/043 , F16C2352/00 , Y10T428/24612 , Y10T428/24996 , Y10T428/249967 , C22C29/08
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。

4. 发明授权

US08069935B1 Superabrasive element, and superabrasive compact and drill bit including same 有权
标题翻译：超级磨料，超级磨料和包含钻头的钻头
公开(公告)号：US08069935B1
公开(公告)日：2011-12-06
申请号：US12792913
申请日：2010-06-03
申请人： David P. Miess , Jiang Qian
发明人： David P. Miess , Jiang Qian
IPC分类号： E21B10/36
CPC分类号： E21B10/5735 , C04B35/52 , C04B35/6303 , C04B35/645 , C04B2235/3813 , C04B2235/3826 , C04B2235/3843 , C04B2235/3891 , C04B2235/404 , C04B2235/427 , C04B2235/428 , C04B2235/80
摘要： According to various aspects of the present invention, a superabrasive element includes a plurality of superabrasive grains (e.g., as diamond grains and/or cubic boron nitride grains). The superabrasive element further includes a binder constituent that bonds at least a portion of the superabrasive grains together. The binder constituent includes predominantly one or more inorganic-compound phases, such as boron or silicon compounds. Applications utilizing such superabrasive elements and methods of fabricating such superabrasive elements are also disclosed.
摘要翻译：根据本发明的各个方面，超级磨料元件包括多个超磨料颗粒（例如，作为金刚石颗粒和/或立方氮化硼颗粒）。超级磨料元件还包括将至少一部分超级磨料颗粒结合在一起的粘合剂成分。粘合剂成分主要包括一种或多种无机 - 化合物相，例如硼或硅化合物。还公开了利用这种超级磨料元件的应用和制造这种超级磨料元件的方法。

5. 发明授权

US08297382B2 Polycrystalline diamond compacts, method of fabricating same, and various applications 有权
标题翻译：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
申请人： Kenneth E. Bertagnolli , David P. Miess , Jiang Qian , Jason K. Wiggins , Michael A. Vail , Debkumar Mukhopadhyay
发明人： Kenneth E. Bertagnolli , David P. Miess , Jiang Qian , Jason K. Wiggins , Michael A. Vail , Debkumar Mukhopadhyay
IPC分类号： E21B10/36 , E21B10/46
CPC分类号： E21B10/36 , B22F7/08 , B22F2998/00 , B24D18/00 , C22C26/00 , E21B10/5735 , F16C33/043 , F16C2352/00 , Y10T428/24612 , Y10T428/24996 , Y10T428/249967 , C22C29/08
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。

6. 发明授权

US08168115B2 Methods of fabricating a superabrasive compact including a diamond-silicon carbide composite table 有权
标题翻译：制造包括金刚石 - 碳化硅复合板的超级磨料压块的方法
公开(公告)号：US08168115B2
公开(公告)日：2012-05-01
申请号：US13173292
申请日：2011-06-30
申请人： Jiang Qian , Kenneth E. Bertagnolli , Michael A. Vail , Jason Wiggins , Jim I. Dewberry , David P. Miess
发明人： Jiang Qian , Kenneth E. Bertagnolli , Michael A. Vail , Jason Wiggins , Jim I. Dewberry , David P. Miess
IPC分类号： B32B9/00
CPC分类号： B24D3/10 , B24D18/00 , B82Y30/00 , C04B35/52 , C04B35/6261 , C04B35/62802 , C04B35/6316 , C04B35/645 , C04B2235/3826 , C04B2235/383 , C04B2235/3834 , C04B2235/427 , C04B2235/428 , C04B2235/5436 , C04B2235/5445 , C04B2235/5454 , C04B2235/5472 , C04B2235/781 , C04B2235/785 , C04B2235/786 , C04B2235/80 , C04B2235/96 , C04B2235/9607 , F16C17/02 , F16C17/04 , F16C33/043 , F16C33/26 , F16C2206/04 , F16C2220/20 , F16C2240/48 , F16C2352/00 , Y10T428/252 , Y10T428/30
摘要： Embodiments relate to superabrasive compacts including a diamond-silicon carbide composite table, and methods of fabricating such superabrasive compacts. In an embodiment, a method of fabricating a superabrasive compact is disclosed. An assembly comprising a mixture including diamond particles and silicon is formed. The silicon comprises amorphous silicon, crystalline silicon crystallized from amorphous silicon formed by a milling process, or combinations thereof. A substrate is positioned in proximity to the mixture. The assembly is subjected to a high-pressure/high-temperature process to form a superabrasive compact comprising a superabrasive table bonded to the substrate. The superabrasive table comprises diamond-silicon carbide composite including diamond grains dispersed through a matrix of silicon carbide grains.
摘要翻译：实施例涉及包括金刚石 - 碳化硅复合工作台的超级磨料压块以及制造这种超级磨料压块的方法。在一个实施例中，公开了制造超硬磨料的方法。形成包含金刚石颗粒和硅的混合物的组件。硅包括非晶硅，通过研磨方法形成的非晶硅结晶的结晶硅或其组合。衬底位于该混合物附近。对组件进行高压/高温处理以形成包含结合到基底的超级磨料台的超级磨料。超级磨料台包括金刚石 - 碳化硅复合材料，其包括通过碳化硅颗粒的基体分散的金刚石颗粒。

7. 发明授权

US08057775B2 Polycrystalline diamond materials, methods of fabricating same, and applications using same 有权
标题翻译：多晶金刚石材料，其制造方法以及使用其的应用
公开(公告)号：US08057775B2
公开(公告)日：2011-11-15
申请号：US12148927
申请日：2008-04-22
申请人： Michael A. Vail , Kenneth E. Bertagnolli , Jason Wiggins , Jiang Qian , David P. Miess
发明人： Michael A. Vail , Kenneth E. Bertagnolli , Jason Wiggins , Jiang Qian , David P. Miess
IPC分类号： E21B10/36 , B01J3/06 , B24D3/02 , C09C1/68 , B29C67/00
CPC分类号： E21B10/46 , B01J3/062 , B01J2203/062 , B01J2203/0655 , B01J2203/0685
摘要： Embodiments relate to methods of fabricating PCD materials by subjecting a mixture that exhibits a broad diamond particle size distribution to a HPHT process, PCD materials so-formed, and PDCs including a polycrystalline diamond table comprising such PCD materials. In an embodiment, a method includes subjecting a mixture to heat and pressure sufficient to form a PCD material. The mixture comprises a plurality of diamond particles exhibiting a diamond particle size distribution characterized, in part, by a parameter θ that is less than about 1.0, where θ = x 6 · σ , x is the average particle size of the diamond particle size distribution, and σ is the standard deviation of the diamond particle size distribution. In an embodiment, the diamond particle size distribution can be generally modeled by the following equation: C ⁢ ⁢ P ⁢ ⁢ F ⁢ ⁢ T 100 = D n - D S n D L n - D S n , wherein CPFT is the cumulative percent finer than, D is diamond grain size, DL is the largest-sized diamond grain, DS is the smallest-sized diamond grain, and n is a distribution modulus.
摘要翻译：实施方案涉及通过使表现出宽金刚石粒度分布的混合物经历HPHT方法，所形成的PCD材料以及包括包含这种PCD材料的多晶金刚石台的PDC来制造PCD材料的方法。在一个实施方案中，一种方法包括使混合物经受足以形成PCD材料的热和压力。该混合物包括多个金刚石颗粒，其表现出部分地由参数和等级表征的金刚石颗粒尺寸分布; 小于约1.0，其中＆thetas; = x 6·＆sgr ，x是金刚石粒度分布的平均粒度，＆sgr; 是金刚石粒度分布的标准偏差。在一个实施方案中，金刚石粒度分布通常可以通过以下等式建模：CéP Phop F笨T 100 = D n -DS n DL n-DS n，其中，CPFT是比 D是金刚石粒度，DL是最大尺寸的金刚石晶粒，DS是最小尺寸的金刚石晶粒，n是分布模量。

8. 发明申请

US20110258937A1 METHODS OF FABRICATING A SUPERABRASIVE COMPACT INCLUDING A DIAMOND-SILICON CARBIDE COMPOSITE TABLE 有权
标题翻译：一种包含二氧化硅碳化物复合材料表的超级复合材料的制造方法
公开(公告)号：US20110258937A1
公开(公告)日：2011-10-27
申请号：US13173292
申请日：2011-06-30
申请人： Jiang Qian , Kenneth E. Bertagnolli , Michael A. Vail , Jason Wiggins , Jim I. Dewberry , David P. Miess
发明人： Jiang Qian , Kenneth E. Bertagnolli , Michael A. Vail , Jason Wiggins , Jim I. Dewberry , David P. Miess
IPC分类号： B24D3/14 , B01J3/06
CPC分类号： B24D3/10 , B24D18/00 , B82Y30/00 , C04B35/52 , C04B35/6261 , C04B35/62802 , C04B35/6316 , C04B35/645 , C04B2235/3826 , C04B2235/383 , C04B2235/3834 , C04B2235/427 , C04B2235/428 , C04B2235/5436 , C04B2235/5445 , C04B2235/5454 , C04B2235/5472 , C04B2235/781 , C04B2235/785 , C04B2235/786 , C04B2235/80 , C04B2235/96 , C04B2235/9607 , F16C17/02 , F16C17/04 , F16C33/043 , F16C33/26 , F16C2206/04 , F16C2220/20 , F16C2240/48 , F16C2352/00 , Y10T428/252 , Y10T428/30
摘要： Embodiments relate to superabrasive compacts including a diamond-silicon carbide composite table, and methods of fabricating such superabrasive compacts. In an embodiment, a method of fabricating a superabrasive compact is disclosed. An assembly comprising a mixture including diamond particles and silicon is formed. The silicon comprises amorphous silicon, crystalline silicon crystallized from amorphous silicon formed by a milling process, or combinations thereof. A substrate is positioned in proximity to the mixture. The assembly is subjected to a high-pressure/high-temperature process to form a superabrasive compact comprising a superabrasive table bonded to the substrate. The superabrasive table comprises diamond-silicon carbide composite including diamond grains dispersed through a matrix of silicon carbide grains.
摘要翻译：实施例涉及包括金刚石 - 碳化硅复合工作台的超级磨料压块以及制造这种超级磨料压块的方法。在一个实施例中，公开了制造超硬磨料的方法。形成包含金刚石颗粒和硅的混合物的组件。硅包括非晶硅，通过研磨方法形成的非晶硅结晶的结晶硅或其组合。衬底位于该混合物附近。对组件进行高压/高温处理以形成包含结合到基底的超级磨料台的超级磨料。超级磨料台包括金刚石 - 碳化硅复合材料，其包括通过碳化硅颗粒的基体分散的金刚石颗粒。

9. 发明申请

US20080206576A1 Superabrasive compact including diamond-silicon carbide composite, methods of fabrication thereof, and applications therefor 有权
标题翻译：超级磨料包括金刚石 - 碳化硅复合材料，其制造方法及其应用
公开(公告)号：US20080206576A1
公开(公告)日：2008-08-28
申请号：US12001990
申请日：2007-12-12
申请人： Jiang Qian , Kenneth E. Bertagnolli , Michael A. Vail , Jason Wiggins , Jim I. Dewberry , David P. Miess
发明人： Jiang Qian , Kenneth E. Bertagnolli , Michael A. Vail , Jason Wiggins , Jim I. Dewberry , David P. Miess
IPC分类号： B32B5/00
CPC分类号： B24D3/10 , B24D18/00 , B82Y30/00 , C04B35/52 , C04B35/6261 , C04B35/62802 , C04B35/6316 , C04B35/645 , C04B2235/3826 , C04B2235/383 , C04B2235/3834 , C04B2235/427 , C04B2235/428 , C04B2235/5436 , C04B2235/5445 , C04B2235/5454 , C04B2235/5472 , C04B2235/781 , C04B2235/785 , C04B2235/786 , C04B2235/80 , C04B2235/96 , C04B2235/9607 , F16C17/02 , F16C17/04 , F16C33/043 , F16C33/26 , F16C2206/04 , F16C2220/20 , F16C2240/48 , F16C2352/00 , Y10T428/252 , Y10T428/30
摘要： Embodiments of the present invention relate to diamond-silicon carbide composites, superabrasive compacts including such diamond-silicon carbide composites, and methods of fabricating such diamond-silicon carbide composites and superabrasive compacts. In one embodiment, a superabrasive compact includes a substrate and a superabrasive table bonded to the substrate. The superabrasive table comprises diamond-silicon carbide composite including a matrix comprising nanometer-sized silicon carbide grains and micrometer-sized diamond grains dispersed through the matrix. In another embodiment, a method of fabricating a superabrasive compact is disclosed. An assembly comprising a mixture including diamond particles and silicon is formed. The silicon comprises amorphous silicon, crystalline silicon crystallized from amorphous silicon formed by a milling process, or combinations thereof. A substrate is positioned in proximity to the mixture. The assembly is subjected to heat and pressure to form a superabrasive compact comprising a superabrasive table bonded to the substrate. The superabrasive table comprises diamond-silicon carbide composite including diamond grains dispersed through a matrix of silicon carbide grains.
摘要翻译：本发明的实施方案涉及金刚石 - 碳化硅复合材料，包括这种金刚石 - 碳化硅复合材料的超级磨料压块，以及制造这种金刚石 - 碳化硅复合材料和超级磨料压块的方法。在一个实施例中，超级磨料致密体包括基底和结合到基底的超研磨台。超级磨料台包括金刚石 - 碳化硅复合材料，其包括通过基体分散的纳米级碳化硅晶粒和微米级金刚石颗粒的基体。在另一个实施例中，公开了一种制造超硬磨料的方法。形成包含金刚石颗粒和硅的混合物的组件。硅包括非晶硅，通过研磨方法形成的非晶硅结晶的结晶硅或其组合。衬底位于该混合物附近。将组件经受热和压力以形成包含结合到衬底的超级磨料工作台的超硬磨料。超级磨料台包括金刚石 - 碳化硅复合材料，其包括通过碳化硅颗粒的基体分散的金刚石颗粒。

10. 发明授权

US08361429B2 Polycrystalline diamond materials and related products 失效
标题翻译：多晶金刚石材料及相关产品
公开(公告)号：US08361429B2
公开(公告)日：2013-01-29
申请号：US13245249
申请日：2011-09-26
申请人： Michael A. Vail , Kenneth E. Bertagnolli , Jason Wiggins , Jiang Qian , David P. Miess
发明人： Michael A. Vail , Kenneth E. Bertagnolli , Jason Wiggins , Jiang Qian , David P. Miess
IPC分类号： B01J3/06 , E21B10/36 , B24D3/02 , C09C1/68 , B29C67/00
CPC分类号： E21B10/46 , B01J3/062 , B01J2203/062 , B01J2203/0655 , B01J2203/0685
摘要： Embodiments relate to methods of fabricating PCD materials by subjecting a mixture that exhibits a broad diamond particle size distribution to an HPHT process, PCD materials so-formed, and PDCs including a polycrystalline diamond table comprising such PCD materials. In an embodiment, a PCD material includes a plurality of bonded diamond grains that exhibit a substantially unimodal diamond grain size distribution characterized, at least in part, by a parameter θ that is less than about 1.0. θ = x 6 · σ , where x is the average grain size of the substantially unimodal diamond grain size distribution, and σ is the standard deviation of the substantially unimodal diamond grain size distribution.
摘要翻译：实施方案涉及通过使表现出宽金刚石粒度分布的混合物经受HPHT方法，所形成的PCD材料和包括包含这种PCD材料的多晶金刚石台的PDC来制造PCD材料的方法。在一个实施方案中，PCD材料包括多个结合的金刚石晶粒，其表现出基本上单峰金刚石晶粒尺寸分布，其至少部分地由参数和特征表征; 小于约1.0。＆thetas; = x 6·＆sgr ，其中x是基本上单峰金刚石晶粒尺寸分布的平均晶粒尺寸，是基本上单峰金刚石晶粒尺寸分布的标准偏差。

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