Roller cone bits with wear and fracture resistant surface
    41.
    发明申请
    Roller cone bits with wear and fracture resistant surface 有权
    滚轮锥头具有耐磨损和抗断裂的表面

    公开(公告)号:US20050072601A1

    公开(公告)日:2005-04-07

    申请号:US10650268

    申请日:2003-08-28

    摘要: Roller cone bits include a steel bit body having a leg extending therefrom. A steel cone is disposed on the leg and includes steel cutting elements projecting outwardly therefrom. One of the cutting elements comprises a steel base integral with the cone and that projects therefrom. A cutting element end is attached to the base portion and extends to form a cutting element tip. The base and end portions are attached when the cone base are in a preexisting rigid state. The end portion comprises a wear resistant material having a material microstructure comprising a first phase of grains selected from the group of carbides, borides, nitrides, and carbonitrides of W, Ti, Mo, Nb, V, Hf, Ta, and Cr refractory metals; and a second phase of a binder material selected from the group consisting of Co, Ni, Fe, and alloys thereof.

    摘要翻译: 滚子锥头包括具有从其延伸的腿的钢钻头体。 钢锥体设置在腿上并且包括从其向外突出的钢切割元件。 其中一个切割元件包括与锥体成一体并从其突出的钢基座。 切割元件端附接到基部并延伸以形成切割元件尖端。 当锥形基座处于预先存在的刚性状态时,基部和端部附接。 该端部包括耐磨材料,其具有包含选自W,Ti,Mo,Nb,V,Hf,Ta和Cr难熔金属的碳化物,硼化物,氮化物和碳氮化物的第一相晶粒的材料微观结构 ; 以及选自由Co,Ni,Fe及其合金组成的组的粘合剂材料的第二相。

    TECHNIQUES AND MATERIALS FOR THE ACCELERATED REMOVAL OF CATALYST MATERIAL FROM DIAMOND BODIES
    44.
    发明申请
    TECHNIQUES AND MATERIALS FOR THE ACCELERATED REMOVAL OF CATALYST MATERIAL FROM DIAMOND BODIES 失效
    从金刚石机构中快速去除催化材料的技术和材料

    公开(公告)号:US20100095602A1

    公开(公告)日:2010-04-22

    申请号:US12581639

    申请日:2009-10-19

    IPC分类号: B24D3/04

    摘要: A method for making a thermally stable cutting element may include forming an acid mixture containing two different acid species by combining an acid solution and at least one acid-forming compound, wherein the at least one acid-forming compound is provided in solid form, and wherein the at least one acid-forming compound produces an acid that is different than the acid solution; treating at least a portion of a sintered diamond body by placing the sintered diamond body in the acid mixture, wherein the sintered diamond body comprises: a matrix phase of bonded-together diamond grains; a plurality of interstitial regions dispersed within the matrix phase; and a metal material disposed within a plurality of the interstitial regions; wherein the treating removes the metal material from at least a portion of the plurality of interstitial regions; and removing the sintered diamond body from the acid mixture after a predetermined length of time, wherein at least a portion of the diamond body removed from the acid mixture is substantially free of the metal material and is a thermally stable diamond body.

    摘要翻译: 制造热稳定切割元件的方法可以包括通过组合酸溶液和至少一种酸形成化合物形成含有两种不同酸物质的酸混合物,其中所述至少一种酸形成化合物以固体形式提供,以及 其中所述至少一种酸形成化合物产生不同于酸溶液的酸; 通过将烧结金刚石体置于酸混合物中来处理烧结金刚石体的至少一部分,其中所述烧结金刚石体包括:接合在一起的金刚石晶粒的基体相; 分散在基质相中的多个间隙区域; 以及设置在多个间隙区域内的金属材料; 其中所述处理从所述多个间隙区域的至少一部分去除所述金属材料; 以及在预定的时间长度之后从所述酸性混合物中除去所述烧结金刚石体,其中从所述酸混合物中除去的所述金刚石体的至少一部分基本上不含所述金属材料,并且是热稳定的金刚石体。

    Ultrahard composite constructions
    45.
    发明授权
    Ultrahard composite constructions 有权
    超硬复合结构

    公开(公告)号:US07441610B2

    公开(公告)日:2008-10-28

    申请号:US11067582

    申请日:2005-02-25

    IPC分类号: E22F3/00 C22C1/99

    摘要: Ultrahard composite constructions comprise a plurality of first phases dispersed within a matrix second phase, wherein each can comprise an ultrahard material including PCD, PcBN, and mixtures thereof. The constructions are formed from a plurality of granules that are combined and sintered at HP/HT conditions. The granules include a core surrounded by a shell and both are formed from an ultrahard material or precursor comprising an ultrahard constituent for forming the ultrahard material. When sintered, the cores form the plurality of first phases, and the shells form at least a portion of the second phase. The ultrahard material used to form the granule core may have an amount of ultrahard constituent different from that used to form the granule shell to provide desired different properties. The ultrahard constituent in the granule core and shell can have approximately the same particle size.

    摘要翻译: 超硬复合结构包括分散在基质第二相中的多个第一相,其中每个第一相可包含超硬材料,其包括PCD,PcBN及其混合物。 这些结构由在HP / HT条件下组合和烧结的多个颗粒形成。 颗粒包括由壳包围的芯,并且都由超硬材料或前体形成,所述超硬材料或前体包含用于形成超硬材料的超硬组分。 当烧结时,芯形成多个第一相,并且壳形成第二相的至少一部分。 用于形成颗粒核的超硬材料可以具有与用于形成颗粒壳的用量相差的超硬组分,以提供所需的不同性质。 颗粒核和壳中的超硬组分可以具有大致相同的粒度。

    THERMALLY STABLE ULTRA-HARD MATERIAL COMPACT CONSTRUCTION
    46.
    发明申请
    THERMALLY STABLE ULTRA-HARD MATERIAL COMPACT CONSTRUCTION 有权
    热稳定超硬材料紧凑型结构

    公开(公告)号:US20080223621A1

    公开(公告)日:2008-09-18

    申请号:US12127656

    申请日:2008-05-27

    IPC分类号: E21B10/46

    摘要: Thermally stable ultra-hard compact constructions of this invention comprise an ultra-hard material body that includes a thermally stable region positioned adjacent a surface of the body. The thermally stable region is formed from consolidated materials that are thermally stable at temperatures greater than about 750° C. The thermally stable region can occupy a partial portion of or the entire ultra-hard material body. The ultra-hard material body can comprise a composite of separate ultra-hard material elements that each form different regions of the body, at least one of the regions being thermally stable. The ultra-hard material body is attached to a desired substrate, an intermediate material is interposed between the body and the substrate, and the intermediate material joins the substrate and body together by high pressure/high temperature process.

    摘要翻译: 本发明的热稳定的超硬结构包括超硬材料体,其包括邻近本体表面定位的热稳定区域。 热稳定区域由在大于约750℃的温度下是热稳定的固结材料形成。热稳定区域可以占据超硬材料体的一部分或全部。 超硬材料体可以包括单独的超硬材料元件的复合材料,其各自形成身体的不同区域,至少一个区域是热稳定的。 超硬材料体附接到所需的基板上,中间材料插入在主体和基板之间,中间材料通过高压/高温工艺将基板和主体结合在一起。

    Randomly-oriented composite constructions
    47.
    发明授权
    Randomly-oriented composite constructions 有权
    随机取向的复合结构

    公开(公告)号:US07392865B2

    公开(公告)日:2008-07-01

    申请号:US11778952

    申请日:2007-07-17

    申请人: Anthony Griffo

    发明人: Anthony Griffo

    IPC分类号: E21B10/46

    摘要: Composite constructions comprise a plurality of granules that are arranged together in a randomly-oriented manner. The granules each comprise an ordered arrangement of a first material phase and a second material phase, wherein the first and second material phases are each continuous, and each occupy different and distinct regions of the granule. At least a portion of the first and second material phases of each granule are in contact with one another. The first material phase comprises a material selected from the group consisting of cermet materials, polycrystalline diamond, polycrystalline cubic boron nitride, and mixtures thereof. The second material phase comprises a material that is relatively softer, e.g., more ductile, than the first material phase.

    摘要翻译: 复合结构包括以随机取向的方式一起排列的多个颗粒。 颗粒各自包含第一材料相和第二材料相的有序排列,其中第一和第二材料相各自是连续的,并且每个占据颗粒的不同和不同的区域。 每个颗粒的第一和第二材料相的至少一部分彼此接触。 第一材料相包括选自金属陶瓷材料,多晶金刚石,多晶立方氮化硼及其混合物的材料。 第二材料相包括比第一材料相相对更柔软,例如更具延展性的材料。

    Ultrahard composite constructions
    48.
    发明申请
    Ultrahard composite constructions 有权
    超硬复合结构

    公开(公告)号:US20060191722A1

    公开(公告)日:2006-08-31

    申请号:US11067582

    申请日:2005-02-25

    IPC分类号: E21B10/00

    摘要: Ultrahard composite constructions comprise a plurality of first phases dispersed within a matrix second phase, wherein each can comprise an ultrahard material including PCD, PcBN, and mixtures thereof. The constructions are formed from a plurality of granules that are combined and sintered at HP/HT conditions. The granules include a core surrounded by a shell and both are formed from an ultrahard material or precursor comprising an ultrahard constituent for forming the ultrahard material. When sintered, the cores form the plurality of first phases, and the shells form at least a portion of the second phase. The ultrahard material used to form the granule core may have an amount of ultrahard constituent different from that used to form the granule shell to provide desired different properties. The ultrahard constituent in the granule core and shell can have approximately the same particle size.

    摘要翻译: 超硬复合结构包括分散在基质第二相中的多个第一相,其中每个第一相可以包含包含PCD,PcBN及其混合物的超硬材料。 这些结构由在HP / HT条件下组合和烧结的多个颗粒形成。 颗粒包括由壳包围的芯,并且都由超硬材料或前体形成,所述超硬材料或前体包含用于形成超硬材料的超硬组分。 当烧结时,芯形成多个第一相,并且壳形成第二相的至少一部分。 用于形成颗粒核的超硬材料可以具有与用于形成颗粒壳的用量相差的超硬组分,以提供所需的不同性质。 颗粒核和壳中的超硬组分可以具有大致相同的粒度。

    Roller cone bits with wear and fracture resistant surface
    49.
    发明授权
    Roller cone bits with wear and fracture resistant surface 有权
    滚轮锥头具有耐磨损和抗断裂的表面

    公开(公告)号:US07048080B2

    公开(公告)日:2006-05-23

    申请号:US10650268

    申请日:2003-08-28

    IPC分类号: E21B10/50

    摘要: Roller cone bits include a steel bit body having a leg extending therefrom. A steel cone is disposed on the leg and includes steel cutting elements projecting outwardly therefrom. One of the cutting elements comprises a steel base integral with the cone and that projects therefrom. A cutting element end is attached to the base portion and extends to form a cutting element tip. The base and end portions are attached when the cone base are in a preexisting rigid state. The end portion comprises a wear resistant material having a material microstructure comprising a first phase of grains selected from the group of carbides, borides, nitrides, and carbonitrides of W, Ti, Mo, Nb, V, Hf, Ta, and Cr refractory metals; and a second phase of a binder material selected from the group consisting of Co, Ni, Fe, and alloys thereof.

    摘要翻译: 滚子锥头包括具有从其延伸的腿的钢钻头体。 钢锥体设置在腿上并且包括从其向外突出的钢切割元件。 其中一个切割元件包括与锥体成一体并从其突出的钢基座。 切割元件端附接到基部并延伸以形成切割元件尖端。 当锥形基座处于预先存在的刚性状态时,基部和端部附接。 该端部包括耐磨材料,其具有包含选自W,Ti,Mo,Nb,V,Hf,Ta和Cr难熔金属的碳化物,硼化物,氮化物和碳氮化物的第一相晶粒的材料微观结构 ; 以及选自由Co,Ni,Fe及其合金组成的组的粘合剂材料的第二相。

    Drill bit having increased resistance to fatigue cracking and method of producing same
    50.
    发明申请
    Drill bit having increased resistance to fatigue cracking and method of producing same 审中-公开
    钻头具有增加的耐疲劳裂纹性和其制造方法

    公开(公告)号:US20050252691A1

    公开(公告)日:2005-11-17

    申请号:US11083540

    申请日:2005-03-18

    IPC分类号: E21B10/00 E21B10/08

    CPC分类号: E21B10/08 B23K26/356

    摘要: The present invention relates to a roller cone drill bit that includes a bit body adapted to be rotated about a longitudinal axis, where the bit body has at least one leg depending therefrom, wherein the leg comprises a treated portion that provides a residual compressive stress, and a roller cone rotatably mounted on a journal. The treated portion treatment may comprise one selected from shot peening, laser-shock peening, and hammer peening. Further, the present invention relates to a method of manufacturing a roller cone drill bit that includes inducing a compressive stress, through plastic deformation, in at least a portion of at least one leg depending from a bit body. The inducing a compressive stress may comprise one selected from shot peening, laser-shock peening, and hammer peening.

    摘要翻译: 本发明涉及一种滚子锥钻头,其包括适于围绕纵向轴线旋转的钻头体,其中所述钻头体具有从其延伸的至少一个腿部,其中所述腿部包括提供残余压应力的处理部分, 以及可旋转地安装在轴颈上的辊筒。 经处理的部分处理可以包括选自喷丸硬化,激光冲击硬化和锤击锤中的一种。 此外,本发明涉及一种制造滚子锥形钻头的方法,该方法包括通过塑性变形在至少一个腿部的至少一部分中从钻头体引起的压缩应力。 诱导压应力可以包括选自喷丸硬化,激光冲击硬化和锤击锤中的一种。