CN101611210B - Intermetallic aluminide polycrystalline diamond compact (pdc) cutting elements - Google Patents

Intermetallic aluminide polycrystalline diamond compact (pdc) cutting elements Download PDF

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CN101611210B
CN101611210B CN 200880001859 CN200880001859A CN101611210B CN 101611210 B CN101611210 B CN 101611210B CN 200880001859 CN200880001859 CN 200880001859 CN 200880001859 A CN200880001859 A CN 200880001859A CN 101611210 B CN101611210 B CN 101611210B
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aluminide
diamond
cutting
tool
bit
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CN101611210A (en
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Ww·金
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霍利贝顿能源服务公司
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Priority to PCT/US2008/050402 priority patent/WO2008086284A2/en
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56Button type inserts
    • E21B10/567Button type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/963Surface properties, e.g. surface roughness

Abstract

机加工和切削工具,其包括但不限于旋转钻头、采矿工具、磨铣工具、木材切碎机和拉丝模,所述机加工和切削工具具有至少一个基底,所述基底上布置有多晶金刚石的层。 Cutting tool and machining, including but not limited to rotary drill bits, mining tools, milling tools, hogger and drawing dies, and the machining cutting tool having at least one substrate, the polycrystalline diamond arranged on a substrate layers. 该多晶金刚石层通常可被描述为多晶金刚石复合片(PDC)或PDC层。 The polycrystalline diamond layer can generally be described as a polycrystalline diamond compact (PDC) or PDC layer. 可以通过使用金属间铝化物催化剂来形成PDC。 PDC can be formed by using an intermetallic aluminide catalyst. 这种催化剂的一个例子可以包括镍铝化物,用以在相邻的金刚石颗粒之间形成金刚石与金刚石粘合。 Examples of such a catalyst may include nickel aluminide, to form diamond-diamond bonding between adjacent diamond particles.

Description

金属间铝化物多晶金刚石复合片(PDC)切削部件 Intermetallic aluminide polycrystalline diamond compact (PDC) cutting elements

[0001] 相关申请的交叉引用 CROSS [0001] REFERENCE TO RELATED APPLICATIONS

[0002] 本申请依照35U.SC § 119(e)要求于2007年I月8日提交的申请号为N0.60/883,938、发明名称为“金属间铝化物多晶金刚石复合片(I3DC)切削部件”的美国临时申请的权益。 [0002] The present application in accordance with Application No. 35U.SC § 119 (e) claims the 2007 I filed May 8, N0.60 / 883,938, entitled "intermetallic aluminide polycrystalline diamond compact (I3DC the benefit of US provisional application) of the cutting member ".

技术领域 FIELD

[0003] 本发明涉及旋转钻头和相关的切削部件,且更具体地涉及固定切削齿(cut ter)钻头和相关的切削部件和/或镶嵌物(insert),所述切削部件和/或镶嵌物的至少一部分上布置有切削材料的硬质层。 [0003] The present invention relates to a rotary drill bit and associated cutting elements, and more particularly, to fix the cutting teeth (cut ter) and associated drill cutting member and / or inlay (INSERT), the cutting member and / or inlay It disposed on at least a portion of the layer of a hard cutting material.

背景技术 Background technique

[0004] 多晶金刚石组合物最初由通用电气(General Electric)研发。 [0004] The composition of the polycrystalline diamond was originally developed by GE (General Electric). 使用超高压压力机制造这种组合物的早期文献是De Lai的美国专利US 3,141,746。 Using ultra-high pressure press for producing such compositions earlier literature is the De Lai U.S. Patent US 3,141,746. 在该文献中,De Lai描述了一族金属,在多晶金刚石复合物(有时被称为“多晶金刚石复合片”)(PDC)的制造中,所述金属可以用于提供金刚石与金刚石粘合的催化剂。 In this document, De Lai describes a family of metal, the polycrystalline diamond composite (sometimes referred to as "polycrystalline diamond compact") (the PDC) manufacturing, the metal may be used to provide a diamond-diamond bonding catalyst. De Lai所描述的金属催化剂包括铁、钴、镍、钌、铑、钯、锇、铱、钼、钛、铬、锰和钽。 De Lai described metal catalyst include iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium, molybdenum, titanium, chromium, manganese and tantalum. 正如在PDC发展文献中可清楚的,通用电气在二十世纪60年代和70年代期间继续测试多种金属催化剂组合。 As PDC development literature is clear, and General Electric during the 1960s and 1970s continue to test various combinations of metal catalysts. 镍、铝和它们的合金已经被用作立方氮化硼(CBN)复合片和roc的粘结剂催化剂。 Nickel, aluminum and alloys thereof have been used as cubic boron nitride (CBN) compacts and roc binder catalyst.

[0005] 在二十世纪80年代中期,包括镍铝化物(Ni3Al)在内的新型金属间化合物材料开始得到商业应用。 [0005] In the mid-1980s, including the new metal between a nickel aluminide (on Ni3Al) to give the compound material starts to commercial applications. 在二十世纪80年代中期以前,由于固有的脆性和小于期望值的硬度,镍铝化物常常被认为几乎没有商业价值。 In the mid-80s of the twentieth century ago, due to the inherent brittleness and hardness less than expectations, nickel aluminide is often considered little commercial value. 在制备金属间镍铝化物(INA)的过程中加入约1%的硼使其更强或更硬并且在保持高传热能力的同时具有更好的延展性。 Adding about 1% of metallic nickel prepared in the process between the aluminum compound (INA) of boron make a stronger or harder and have better ductility while maintaining high heat transfer capacity. 该领域的关键专利是Huang等人的专利US4, 478,791。 The key patents in this area is Huang et al. Patent US4, 478,791.

[0006] Wittmer和Filip做出了关于金属间化合物粘合金刚石(IBD)的近期发展,如2006年12月14日公布的美国专利申请公开2006/0280638和由WIPO于2006年10月12日公布的国际公开号W02006/107628所述,公开了镍铝化物作为粘结剂材料在金属间粘合金刚石(IBD)制备中的应用。 [0006] Wittmer and Filip made the recent developments with regard to diamond bonding compound (IBD) between metals, such as December 14, 2006 published US Patent Application Publication 2006/0280638 and published by WIPO on October 12, 2006 / 107628 in the international Publication No. W02006, discloses a nickel-aluminum compound in the preparation of the diamond material of the adhesive as a binder (IBD) between the metal. 另外两篇公开文献“FinalTechnical Report, 2004年3月I日至2004 年12 月31 日”和“Final TechnicalReport, 2005 年I 月I 日至2005 年9 月30日”针对名为“Intermetal Iic-BondedDiamond Tools for Coal Mining” 的项目进一步描述了他们的工作和观测结果。 Two other publications "FinalTechnical Report, March 2004 I to 2004 December 31," and "Final TechnicalReport, 2005 I dated I May to 30 September 2005," called for "Intermetal Iic-BondedDiamond Tools for Coal Mining "project further describe their work and observations.

[0007] Wittmer和Filip使用多种方法来制备IBD复合物,包括:在具有连续流动氩气的炉中加热、真空/压力烧结、和热等静压。 [0007] Wittmer and Filip composite prepared IBD, including using a variety of methods: heated in a furnace having a continuous flow of argon, the vacuum / pressure sintering, and hot isostatic pressing. 热等静压是本领域中是公知的并且是通常用于制造旋转钻头和其它井下工具的孕镶金刚石刀头(segment)的工艺。 Hot isostatic pressing are well known in the art and are commonly used in processes for producing rotary drill bits and other downhole tools diamond-impregnated bit (segment) of. 这样的刀头典型地可以包括铜/镍粘结剂用来粘结碳化钨粉末和细小金刚石颗粒的混合物。 Such a head may typically comprise copper / nickel binder mixture used cemented tungsten carbide powder and fine diamond particles. 重要的是,需要注意由Wittmer和Filip开发的IBD复合物并不涉及金刚石与金刚石粘合而是形成内部具有金刚石颗粒的金属性粘结剂。 Is important to note the development of IBD Wittmer and Filip relates to composite diamond-diamond bonding is not formed, but a metal binder therein a diamond particles. [0008] Wittmer和Filip给出了他们的IBD复合物的若干优点。 [0008] Wittmer Filip give several advantages and their composite IBD. 这些复合物相比于使用铜/镍合金或其它金属作为粘结剂的复合物似乎对热劣化具有更高的抵抗性。 These complexes as compared to the use of a copper / nickel alloy or other metal compound as a binder appears to have a higher resistance to thermal degradation. 另外,使用镍铝化物似乎可以延迟在使用铜/镍粘结剂时通常会发生金刚石石墨化的较高温度下金刚石石墨化的倾向。 Further, using a nickel aluminide tendency seems to be delayed at higher temperatures the diamond graphitization of diamond graphitization in the copper / nickel binder usually occurs.

发明内容 SUMMARY

[0009] 本发明的一方面可以包括多晶金刚石复合物(roc)的超高压制造,使用金属间铝化物作为催化剂并使用由此过程产生的PDC形成切削部件或镶嵌物。 [0009] In one aspect of the present invention may include a EHV manufacturing a polycrystalline diamond composite (ROC), the use of intermetallic aluminide produced by this process and used as a catalyst is formed PDC cutting elements or inlay. 例如,可将至少部分地通过使用金属间铝化物作为催化剂形成的PDC连接至基底以制备旋转钻头用的PDC切削齿。 For example, the least in part by using an aluminum intermetallic compound is formed as a PDC is connected to the base catalyst to prepare a rotary drill bit with PDC cutter.

[0010] 本发明的PDC切削齿加合教导可受益于金属间铝化物的高传热能力,相比用于形成PDC的现有催化剂例如钴而言。 [0010] PDC cutting teeth plus the teachings of the present invention may benefit from the combined high heat transfer capacity intermetallic aluminide, conventional catalysts such as cobalt in terms of PDC compared formed. 高传热能力可以减轻金属间铝化物和金刚石各自膨胀系数之间的差异的可能影响。 High heat transfer capacity may be possible to reduce the difference between metal between the aluminum compound and the coefficient of expansion of each diamond. 金属间铝化物的高传热能力可以与上述PDC中的金刚石晶体协同作用,快速消散切削头或切削面上由摩擦产生的热量。 Intermetallic aluminide high heat transfer ability in the above-described synergy PDC diamond crystals, quickly dissipating heat cutting head or cutting face is generated by friction.

[0011] 本发明的PDC切削齿加合教导可受益于在高于通常温度和存在铁类工件的情况下金属间铝化物的延迟金刚石石墨化的能力。 PDC cutter plus [0011] The teachings of the present invention may benefit from the ability to fit in and above the usual temperature intermetallic aluminum compound in the presence of an iron-based workpiece delay diamond graphitization. 过去,因为金刚石在该应用中公知的无效性,因此而使用立方氮化硼切削齿来机加工铁类材料。 In the past, because the diamond in this application known invalid, and therefore the use of cubic boron nitride cutting tooth to machine ferrous materials. 立方氮化硼的硬度和耐磨性通常不如金刚石但在铁类材料机加工应用中好于金刚石。 CBN hardness and wear resistance but generally not as diamond machining of ferrous material applications better than diamond. 使用金属间铝化物作为催化剂制造的PDC切削齿的性能可以克服roc的以往不适宜性,从而令人满意地机加工铁类材料并可以提供相对于由立方氮化硼制造的切削齿的优异替代。 Use aluminum intermetallic compound as a catalyst for producing PDC cutter performance can overcome conventional roc inappropriate, thereby satisfactorily machined iron-based material and can provide an excellent alternative to the cutting teeth with respect to the manufacture of cubic boron nitride .

[0012] 使用镍铝化物的IBD复合物能够切削铁类材料,例如灰铸铁,使用这种IBD复合物形成的切削面在长时间使用中具有非常小的磨损。 [0012] using a nickel aluminide IBD complex is capable of cutting a ferrous material such as gray cast iron, the use of such a cutting face IBD complex formation with very little wear in long term use. 在机加工铁类材料中已知的是,金刚石与铁类材料起化学反应并在金刚石切削部件和铁类材料之间的摩擦界面处快速地离解或石墨化。 Known in the machining of iron-based material is diamond with iron-based material and chemically react rapidly dissociate the friction at the interface between the diamond cutting elements and iron-based material or graphitized. 在切削面由天然金刚石、人造金刚石、孕镶金刚石和PDC形成时情况如此。 When cutting face of natural diamond, synthetic diamond, and diamond-impregnated PDC formed is the case. 显然,使用镍铝化物制成的IBD复合物可以不发生这种切削面的离解或相关金刚石的石墨化。 Obviously, using a nickel aluminide composites made with IBD can be graphitized this cutting face of diamond or related dissociation does not occur. 显然,通过使用镍铝化物作为粘结剂材料以形成PDC可以有效地阻止在切削铁类材料应用中离解金刚石的热和/或化学过程。 Clearly, by using a nickel aluminide as a binder material to form a PDC can effectively prevent heat and / or chemical dissociation processes in diamond cutting ferrous material applications.

附图说明 BRIEF DESCRIPTION

[0013] 通过结合附图阅读下面的描述可以获得本发明实施方案及其优点的更全面和更彻底的理解,在附图中相同的附图标记表示相同的特征,其中: [0013] read in conjunction with the accompanying drawings described in the following embodiments and can be obtained advantages of the invention more fully and more thorough understanding, refer to the same features in the drawings the same reference numerals, wherein:

[0014] 附图1是显示本发明的铝化物PDC切削部件或切削齿加合教导的一个实施例的示意图; [0014] Figure 1 is a schematic representation of one embodiment of the present invention the aluminum compound or PDC cutting member the cutting teeth adducted teachings;

[0015] 附图2是显示本发明的铝化物PDC切削部件或切削齿加合教导的另一个实施例的截面示意图; [0015] Figure 2 is a cross-sectional view of another aluminum compound of the invention or PDC cutting member the cutting teeth adducted teachings embodiment of a display;

[0016] 附图3是显示使用金属间铝化物催化剂由金刚石丸粒形成的硬切削材料层的局部分离的截面示意图。 [0016] Figure 3 is a schematic cross-sectional partial separation of hard cutting materials intermetallic aluminide layer formed of diamond catalyst pellets used.

具体实施方式[0017] 通过参照附图1-3可以理解本发明的优选实施方案和各种优点。 DETAILED DESCRIPTION [0017] It will be appreciated by reference to the drawings preferred embodiments of the invention and various advantages 1-3. 在各个附图中,同样的附图标记用于同样和相应的要素。 In the drawings, like reference numerals are used for the same and corresponding elements.

[0018] 本申请中使用的术语“旋转钻头”可以包括多种类型:牙轮钻头(rollerconedrill bit)、旋转维部钻头(rotary come drill bit)、固定切削齿钻头(fixed cutterdrill bit)、刮刀钻头(drag bit)、胎体钻头(matrixdrill bit)以及可用以形成延伸穿过一个或多个井下地层的井眼的PDC钻头。 [0018] The terms used in this application, "rotary drill bit" may include various types: cone bit (rollerconedrill bit), the rotation of the drill-dimensional (rotary come drill bit), fixed cutter drill teeth (fixed cutterdrill bit), drag bits (drag bit), the bit carcass (matrixdrill bit) used to form and extend through one or more downhole formation of wellbore PDC bits. 旋转钻头和根据本发明的教导形成的相关部件可以具有许多不同的设计和构造。 Rotary drill bits and associated components formed in accordance with the teachings of the present invention may have many different designs and configurations. 本发明的切削部件和刃部加合特征也可以用于扩孔器、近钻头扩孔器以及与形成井眼相关的其它井下工具。 Adduct cutting member and the blade features of the invention can also be used reamer section, near bit reamer and other downhole tools associated with the formation of the wellbore.

[0019] 本申请中使用的术语“切削部件”可以包括适用于各种旋转钻头的各种类型的复合片、切削齿和/或镶嵌物。 [0019] The term "cutting elements" used in this application may include applicable to various types of rotary drill bit of the composite sheet, cutting teeth, and / or inlay. ·术语“切削齿”可以包括但不限于:端面切削齿(face cutter),保径切削齿(gage cutter)、内部切削齿(innercutter)、肩部切削齿(shoulder cutter) >主动保径切削齿和被动保径切削齿。 · The term "cutting teeth" may include but is not limited to: the end face of the cutting teeth (face cutter), gage cutting teeth (gage cutter), the inner cutting teeth (innercutter), a shoulder cutting teeth (shoulder cutter)> active gauge cutting teeth and passive gage cutting teeth.

[0020] 多晶金刚石复合片(roc)、PDC切削齿和PDC镶嵌物常常用作旋转钻头的切削部件。 [0020] Polycrystalline diamond compact (roc), PDC and PDC cutters are often used as cutting elements inlay rotary drill bit. 多晶金刚石复合片也可被称为PDC复合片。 Polycrystalline diamond compact may also be referred to as a PDC composite sheet.

[0021] 对于一些应用,根据本发明的教导形成的切削部件可以包括一个或多个通过使用金属间铝化物催化剂形成在基底上的多晶金刚石层。 [0021] For some applications, cutting elements formed in accordance with the teachings of the present invention may comprise one or more formed on the substrate by use of an intermetallic aluminide catalyst polycrystalline diamond layer. 有时可将所述层称为“切削层”或“台层(table)”。 The layer is sometimes referred to as "cut layer" or "layers table (Table)." 根据本发明的教导,可以按照许多种构造、形状和尺寸来形成切削层。 According to the teachings of the present invention may be configured in many types, shapes and sizes to form a cutting layer. 所述构造和形状的例子可以包括但不限于“切削表面”、“切削刃”、“切削面”和“切削侧”。 Examples of configurations and shapes may include, but are not limited to, "cutting surface", "cutting edge", "cutting face" and "cutting side."

[0022] 本发明中使用的术语“切削结构”可以包括下述工具的切削部件、切削齿、端面切削齿、保径切削齿、撞击制动装置(impact arrestor)、保护器、刃部和/或其它部分的各种组合和排列,如旋转钻头、取芯钻头、扩孔器和用于形成井眼的其它井下工具。 [0022] The term "cutting structure" in the present invention may include the following cutting tool member, cutting teeth, the end faces of the cutting teeth, the cutting teeth gauge, striking the braking device (impact arrestor), the protector, the blade portion and / or other combinations and permutations of various parts, such as rotary drill bits, core bits, reamer and other downhole tools to form a wellbore. 一些固定切削齿钻头可以包括一个或多个从相关的钻头本体延伸的刃部。 Some fixed cutter drill bit may comprise a tooth or a plurality of blade portions extending from an associated bit body. 切削部件通常以行的形式排列在刃部的外部或与固定切削齿钻头相关的钻头本体的其它外部上。 The cutting member is typically arranged on the outer or other external teeth associated with fixed cutter drill bit body of the blade portion in rows. 根据本发明的教导,可以使用刃部和切削齿的各种构造来形成用于固定切削齿钻头的切削结构。 According to the teachings of the present invention, a cutting structure may be formed for fixing the cutting teeth of the drill bit using various configurations of the blade portion and the cutting teeth.

[0023] 本发明的一个实施方案可以包括在PDC切削齿制备过程中使用镍铝化物作为催化剂。 [0023] In one embodiment of the present invention may include the use of nickel-aluminum compound as a catalyst in the production process of the PDC cutter. 镍铝化物不是镍和铝的典型合金,相反镍铝化物是表示为Ni3Al的良好有序的晶态化合物。 Typically a nickel aluminide alloy of nickel and aluminum are not opposite a nickel aluminide is represented as a well-ordered crystalline compound of Ni3Al. 它是新出现的金属间铝化物材料族中的一种,所述金属间铝化物还包括铁铝化物、钴铝化物、钛铝化物、镍-钼铝化物、镍-钛铝化物、铌铝化物、钌铝化物、钪铝化物和锆铝化物。 It is an intermetallic aluminide family of materials emerging in the intermetallic aluminide further comprising iron aluminide, cobalt aluminide, titanium aluminide, nickel - molybdenum aluminide, nickel - titanium aluminide, niobium, aluminum compound, ruthenium aluminide, aluminide scandium and zirconium aluminide. 该过程可以包括装填具有WC基底的单元,所述WC基底包括有少量的钴(2^-15%),和使用金属间镍铝化物粉末和金刚石颗粒的混合物覆盖所述基底的一个端部或一部分,所述金刚石颗粒的尺寸范围为约3-60微米。 The process may include a charging unit having a substrate of WC, said substrate comprises WC with a small amount of Co (2 ^ -15%), and a mixture of an intermetallic nickel-aluminide powders and the diamond particles covering an end portion of the substrate or portion, said diamond particles range in size from about 3-60 microns. 对于一些应用,优选5-25微米的金刚石颗粒。 For some applications, preferably 5 to 25 [mu] m diamond particles.

[0024] 所得PDC可具有占每个roc总体积的约50%到95 %的金刚石体积百分比。 [0024] The resulting diamond PDC may have a volume percent of the total volume of each roc from about 50% to 95%. 对于一些应用,75%-92%的金刚石体积百分比是优选的。 For some applications, 75% to 92% diamond volume percent are preferred. 具有金刚石颗粒和金属间铝化物的混合物的基底可被放置在与制造PDC切削齿相关的常规容器内。 A substrate having a mixture of aluminum compound and the metal between the diamond particles may be placed within the container relating to the manufacture of conventional PDC cutter. 然后,可以将装填的单元放置到超高压压力机中并提高压力和温度持续一定时段,正如现有技术中公知且文献中所详述的。 Then, the feeding units may be placed into the ultra-high pressure press and increasing the pressure and temperature for a period of time, as is well known in the prior art and detailed in the literature. 结果得到比现有技术的PDC切削齿更适于高温应用和/或铁类材料的机加工应用的PDC切削齿。 The result is more suitable for high temperature applications, and / or PDC cutter machining applications ferrous material than the prior art PDC cutters.

[0025] 附图1显示了一种切削部件,其包括基底且在基底的一个端部上布置有PDC层。 [0025] Figure 1 shows a cutting member comprising a substrate and disposed on one end portion of the substrate with a layer of PDC. 如前所述,可以使用金属间铝化物催化剂得到该PDC层。 As described above, may be used to obtain the catalyst aluminide intermetallic layer PDC. [0026] 对于某些应用,金属间镍铝化物的晶片可以被放置在基底的一个端部和金属间镍铝化物与金刚石颗粒粉末混合物之间。 [0026] For certain applications, the wafer nickel-aluminum intermetallic compound may be disposed between the substrate between the end portion and a nickel aluminide powder mixture of diamond particles. 所述晶片可以充当阻挡体以防止在压制周期中钴从基底大量迁移到roc中。 The wafer may act as a barrier to prevent the migration of a large amount of cobalt from the substrate to roc in the press cycle. 如果太多的钴在处理过程中进入到PDC中,则通过使用金属间铝化物催化剂所带来的优势可能减少。 If too much cobalt in the PDC into the process, it may be reduced by using the advantages of an intermetallic aluminide brought catalyst.

[0027] 附图2显示了一种切削部件,其包括布置在基底一个端部和相关的PDC层之间的金属间铝化物的层或晶片。 [0027] Figure 2 shows a cutting member comprising a wafer or a layer disposed between a metal base between the end portions and the associated PDC aluminide layer. 如前所述,可以使用金属间铝化物形成该PDC层。 As described above, may be used an aluminum intermetallic compound layer forming the PDC. 如附图1-2显示的基底可以由许多种材料形成,包括但不限于碳化钨(WC)。 The figures 1-2 show the substrate may be formed from a variety of materials, including but not limited to tungsten carbide (WC).

[0028] 使用本发明的教导制成的PDC切削齿特别适用于岩石钻孔工具、井下钻孔和扩孔工具、采矿工具、铁类和非铁材料机加工工具、拉丝模、木材加工和用于岩石采集的金刚石锯片。 [0028] Using the teachings of the present invention is made of a PDC cutter is particularly suitable for rock drilling tools, the downhole drilling and reaming tools, mining tools, ferrous and non-ferrous material machining tool, wire drawing die, and the use of wood processing the rock collection of diamond saw blades.

[0029] 虽然已经详细描述了本发明及其优点,但应当理解的是,在不背离本发明的主旨和下列权利要求所限定的本发明范围的情况下,可以做出多种改变、替换和替代。 [0029] Having described the invention and its advantages in detail, it should be understood that, without departing from the spirit of the present invention and the following claims define the scope of the present invention, can make various changes, substitutions and instead.

Claims (14)

1.一种切削部件,包含: 具有第一端部的基底,其上布置有至少一层多晶金刚石复合片,所述多晶金刚石复合片部分地通过使用金属间铝化物作为催化剂在相邻金刚石颗粒之间形成金刚石与金刚石粘合来形成;和布置在所述基底的第一端部和所述至少一层多晶金刚石复合片之间的金属间铝化物的层。 1. A cutting element, comprising: a base having a first end portion, which is arranged on at least one layer of polycrystalline diamond compact, said polycrystalline diamond compact part through the use of aluminum intermetallic compound as a catalyst in the adjacent is formed between the diamond particles to form a diamond-diamond bonding; and arranging at least one intermetallic aluminide layer between the polycrystalline diamond compacts at a first end portion of said substrate and said.
2.如权利要求1所述的切削部件,其中所述金属间铝化物催化剂包含镍铝化物。 2. The cutting member according to claim 1, wherein said inter-metallic aluminum compound catalyst comprises nickel aluminide.
3.如权利要求1所述的切削部件,其中所述金属间铝化物催化剂选自铁铝化物、钴铝化物、钛铝化物、镍-钼铝化物、镍-钛铝化物、铌铝化物、钌铝化物、钪铝化物和锆铝化物。 3. The cutting member according to claim 1, wherein the intermetallic aluminum compound catalyst is selected from iron aluminide, cobalt aluminide, titanium aluminide, nickel - molybdenum aluminide, nickel - titanium aluminide, niobium aluminide, ruthenium aluminide, aluminum, scandium, zirconium compound and an aluminum compound.
4.如权利要求1-3中任一项所述的切削部件,其中所述金属间铝化物的层是金属间镍招化物。 4. The cutting member according to any one of claims, wherein said metal interlayer is a nickel aluminide intermetallic of the strokes thereof.
5.如权利要求1所述的切削部件,还包含:在通过金刚石与金刚石粘合而相互粘合的相邻金刚石颗粒之间形成的多个空隙空间,其中金属间铝化物布置在相邻金刚石颗粒之间形成的空隙空间内。 5. The cutting member according to claim 1, further comprising: a plurality of interstitial spaces between the diamond-diamond bonded by an adhesive to each other adjacent diamond particles are formed, wherein the intermetallic aluminide disposed adjacent diamond the void space formed between the particles.
6.如权利要求1-3中任一项所述的切削部件,该部件是用于固定切削齿旋转钻头的镶嵌物。 Cutting member according to any one of claim 6, which is a member for fixing the inlay in the rotary drill bit cutters.
7.井下工具,所述井下工具是旋转钻头、扩孔器、开孔器或取芯钻头,其中如权利要求1-6任一项所述的切削部件构成所述井下工具的一部分。 7. The downhole tool, the downhole tool is a rotary drill bit, reamer, core drill, or openings, wherein the cutting member as claimed in any one of claims 1-6 constitutes a portion of the downhole tool.
8.如权利要求7所述的井下工具,其中所述扩孔器是近钻头扩孔器。 8. The downhole tool according to claim 7, wherein said near bit reamer is a reamer.
9.工具,所述工具是采矿工具,用于切削铁类材料的机加工工具,用于切削非铁材料的机加工工具,用于加工木材和其它纤维材料的机加工工具或者用于切削石料的锯片,所述工具在其至少一部分上包含如权利要求1-6任一项所述的切削部件。 9. The tool, the tool is a mining tool, a machining tool for cutting iron-based material, a machining tool for cutting non-ferrous materials, processed wood and other fibrous materials machining tool for cutting stone or for saw blade, said tool comprising on at least a portion of the cutting member as claimed in claim any one of claims 1-6.
10.如权利要求9所述的工具,其中所述工具是用于切削石灰石或花岗岩的锯片。 10. The tool according to claim 9, wherein the tool is a saw blade used for cutting limestone or granite.
11.用于在井下地层中形成井眼的旋转钻头,包含: 钻头本体,其具有用以连接至钻柱的一个端部; 布置在钻头本体外部上的多个如权利要求1-6任一项所述的切削部件。 11. A rotary drill bit for forming a borehole in the underground formation, comprising: a bit body having an end portion for connection to a drill string; disposed on the exterior of the bit body a plurality of as claimed in any of claims 1-6 the cutting member according to item.
12.如权利要求11所述的旋转钻头,其中至少一个基底具有大致为圆形截面。 12. The rotary drill bit of claim 11, wherein the at least one substrate has a substantially circular cross section.
13.如权利要求11所述的旋转钻头,其中至少一个基底具有大致为非圆形截面。 13. The rotary drill bit of claim 11, wherein the at least one substrate having a generally non-circular cross-section.
14.如权利要求11所述的钻头,其中: 所述钻头具有与钻头本体的所述一个端部相对的倒锥形构造的钻头面轮廓; 在钻头本体中形成的开口,其紧接于钻头面轮廓的倒锥形部分; 所述钻头还包含从基底延伸的柱体;且所述柱体布置在钻头本体的所述开口中,与多晶金刚石复合片的所述层一起用以作用于与钻头面轮廓的倒锥形部分邻近的地层材料。 14. The drill bit of claim 11, wherein: the drill bit and the bit body having a tapered end portion configured to reverse the bit face opposite the profile; opening formed in the bit body, which is next to the drill bit reverse tapered portion of the surface profile; the drill bit further comprising a cylinder extending from the base; and said column is disposed in the opening in the bit body to together with the polycrystalline diamond layer is applied to the composite sheet and the bit face profile of the reverse tapered portion adjacent formation material.
CN 200880001859 2007-01-08 2008-01-07 Intermetallic aluminide polycrystalline diamond compact (pdc) cutting elements CN101611210B (en)

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