Superabrasive elements and methods for processing and manufacturing the same using protective layers
    52.
    发明授权
    Superabrasive elements and methods for processing and manufacturing the same using protective layers 有权
    超级磨料元件和使用保护层加工和制造相同方法

    公开(公告)号:US09352447B2

    公开(公告)日:2016-05-31

    申请号:US12555715

    申请日:2009-09-08

    摘要: An exemplary method of processing a polycrystalline diamond element is disclosed. According to the method, a protective layer may be formed over only a selected portion of a polycrystalline diamond element. The polycrystalline diamond element may include a polycrystalline diamond table. At least a portion of the polycrystalline diamond element may be exposed 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 layer. The protective layer may be substantially impermeable to the leaching solution. An exemplary method of manufacturing a polycrystalline diamond element is also disclosed.

    摘要翻译: 公开了一种处理多晶金刚石元件的示例性方法。 根据该方法,可以仅在多晶金刚石元件的选定部分上形成保护层。 多晶金刚石元件可以包括多晶金刚石台。 多晶金刚石元件的至少一部分可以暴露于浸出溶液,使得浸出溶液接触多晶金刚石台的暴露表面区域和保护层的至少一部分。 保护层可能对浸出溶液基本上是不可渗透的。 还公开了制造多晶金刚石元件的示例性方法。

    Polycrystalline diamond materials and related products
    56.
    发明授权
    Polycrystalline diamond materials and related products 失效
    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

    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。

    Polycrystalline diamond compact, methods of fabricating same, and rotary drill bit using same
    59.
    发明授权
    Polycrystalline diamond compact, methods of fabricating same, and rotary drill bit using same 有权
    多晶金刚石复合体,其制造方法以及使用其的旋转钻头

    公开(公告)号:US08151911B1

    公开(公告)日:2012-04-10

    申请号:US12858032

    申请日:2010-08-17

    申请人: David P. Miess

    发明人: David P. Miess

    IPC分类号: E21B10/36 E21B10/46

    摘要: Embodiments of the present invention relate to superabrasive materials, superabrasive compacts employing such superabrasive materials, and methods of fabricating such superabrasive materials and compacts. In one embodiment, a superabrasive material includes a matrix comprising a plurality of coarse-sized superabrasive grains, with the coarse-sized superabrasive grains exhibiting a coarse-sized average grain size. The superabrasive material further includes a plurality of superabrasive regions dispersed within the matrix, with each superabrasive region including a plurality of fine-sized superabrasive grains exhibiting a fine-sized average grain size less than the coarse-sized average grain size. In another embodiment, the superabrasive materials may be employed in a superabrasive compact. The superabrasive compact comprises a substrate including a superabrasive table comprising any of the disclosed superabrasive materials. Further embodiments are directed to applications utilizing the disclosed superabrasive articles in applications, such as rotary drill bits.

    摘要翻译: 本发明的实施例涉及超研磨材料,使用这种超级磨料的超级磨料,以及制造这种超级磨料和压块的方法。 在一个实施方案中,超级磨料材料包括包含多个粗大型超磨料颗粒的基质,粗大粒度的超级磨料颗粒具有粗大的平均粒度。 超研磨材料还包括分散在基体内的多个超级磨料区域,每个超级磨料区域包括多个精细尺寸的超磨料颗粒,其表现出小于粗大平均粒度的细小平均粒度。 在另一个实施方案中,超研磨材料可以用于超级磨料中。 超级磨料压块包括包括包含任何所公开的超级磨料材料的超级磨料工作台的衬底。 其它实施例涉及在应用中利用所公开的超级磨料制品的应用,例如旋转钻头。