US20100038148A1 - Intermetallic Aluminide Polycrystalline Diamond Compact (PDC) Cutting Elements - Google Patents
Intermetallic Aluminide Polycrystalline Diamond Compact (PDC) Cutting Elements Download PDFInfo
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- US20100038148A1 US20100038148A1 US12/522,360 US52236008A US2010038148A1 US 20100038148 A1 US20100038148 A1 US 20100038148A1 US 52236008 A US52236008 A US 52236008A US 2010038148 A1 US2010038148 A1 US 2010038148A1
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- aluminide
- intermetallic
- cutting element
- layer
- diamond
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- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 62
- 239000010432 diamond Substances 0.000 title claims abstract description 62
- 229910000951 Aluminide Inorganic materials 0.000 title claims abstract description 54
- 238000005520 cutting process Methods 0.000 title claims abstract description 52
- 239000000758 substrate Substances 0.000 claims abstract description 21
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003054 catalyst Substances 0.000 claims abstract description 18
- 229910000907 nickel aluminide Inorganic materials 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 10
- 238000003754 machining Methods 0.000 claims abstract description 8
- 238000005065 mining Methods 0.000 claims abstract description 4
- 239000002023 wood Substances 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 19
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 14
- 229910017052 cobalt Inorganic materials 0.000 claims description 9
- 239000010941 cobalt Substances 0.000 claims description 9
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 5
- 229910052707 ruthenium Inorganic materials 0.000 claims description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 4
- UIEFEKHUTQUKHQ-UHFFFAOYSA-N [Al].[Al].[Al].[Al].[Al].[Nb+5].[Nb+5].[Nb+5] Chemical compound [Al].[Al].[Al].[Al].[Al].[Nb+5].[Nb+5].[Nb+5] UIEFEKHUTQUKHQ-UHFFFAOYSA-N 0.000 claims description 4
- UJXVAJQDLVNWPS-UHFFFAOYSA-N [Al].[Al].[Al].[Fe] Chemical compound [Al].[Al].[Al].[Fe] UJXVAJQDLVNWPS-UHFFFAOYSA-N 0.000 claims description 4
- OQPDWFJSZHWILH-UHFFFAOYSA-N [Al].[Al].[Al].[Ti] Chemical compound [Al].[Al].[Al].[Ti] OQPDWFJSZHWILH-UHFFFAOYSA-N 0.000 claims description 4
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 claims description 4
- 229910021326 iron aluminide Inorganic materials 0.000 claims description 4
- PCLURTMBFDTLSK-UHFFFAOYSA-N nickel platinum Chemical compound [Ni].[Pt] PCLURTMBFDTLSK-UHFFFAOYSA-N 0.000 claims description 4
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 4
- 229910052706 scandium Inorganic materials 0.000 claims description 4
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims description 4
- 229910021324 titanium aluminide Inorganic materials 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 239000011800 void material Substances 0.000 claims 2
- 235000019738 Limestone Nutrition 0.000 claims 1
- 239000004567 concrete Substances 0.000 claims 1
- 239000002657 fibrous material Substances 0.000 claims 1
- 239000010438 granite Substances 0.000 claims 1
- 239000006028 limestone Substances 0.000 claims 1
- 238000003801 milling Methods 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 230000008901 benefit Effects 0.000 description 8
- 239000011230 binding agent Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 5
- 229910052582 BN Inorganic materials 0.000 description 4
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000005087 graphitization Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000001513 hot isostatic pressing Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/963—Surface properties, e.g. surface roughness
Definitions
- the present disclosure is related to rotary drill bits and associated cutting elements and more particularly to fixed cutter drill bits and associated cutting elements and/or inserts with hard layers of cutting material disposed on at least one portion of the cutting elements and/or inserts.
- De Lai describes a family of metals that may be used to provide a catalyst for diamond to diamond bonding in the manufacture of a polycrystalline diamond composite (sometimes referred to as a “polycrystalline diamond compact”) (PDC).
- the metal catalysts included by De Lai are iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium, platinum, titanium, chromium, manganese, and tantalum.
- Nickel, aluminum, and alloys thereof have been used as binder catalysts for cubic boron nitride (CBN) compacts and PDC.
- Ni 3 Al nickel aluminide
- INA intermetallic nickel aluminide
- Wittmer and Filip use various methods to produce IBD composites including: heating in a furnace with continuous flowing argon, vacuum/pressure sintering, and hot isostatic pressing.
- Hot isostatic pressing is well known in the art and is the process often used to make impregnated diamond segments for rotary drill bits and other downhole tools.
- Such segments may include a copper/nickel binder to bind a mixture of tungsten carbide powder and small diamond particles. It is important to note that IBD composites developed by Wittmer and Filip do not involve diamond to diamond bonding but rather form metallic binder with diamond particles disposed therein.
- One aspect of the present disclosure may include ultra high pressure manufacturing of polycrystalline diamond composite (PDC) using an intermetallic aluminide as a catalyst and forming cutting elements or inserts with PDC's resulting from this process.
- PDC polycrystalline diamond composite
- PDC's formed at least in part by using an intermetallic aluminide as a catalyst may be attached to a substrate to produce PDC cutters for rotary drill bits.
- PDC cutters incorporating teachings of the present disclosure may benefit from high heat transfer capabilities of intermetallic aluminide as compared to prior catalysts such as cobalt used to form PDC's.
- High heat transfer may mitigate possible effects of differences between respective coefficients of expansion of intermetallic aluminide and diamond.
- Heat transfer capabilities of an intermetallic aluminide may act synergistically with the diamond crystals of such PDC's to rapidly dissipate heat generated by friction at the cutting tip or cutting surface.
- PDC cutters incorporating teachings of the present disclosure may benefit from an intermetallic aluminide's ability to retard diamond graphitization at higher than typical temperatures and in the presence of a ferrous work piece.
- cubic boron nitride cutters have been used to machine ferrous materials due to the well known ineffectiveness of diamond in this application.
- Cubic boron nitride is generally not as hard and wear resistant as diamond but is superior to diamond in ferrous machining applications.
- the capabilities of PDC cutters manufactured using an intermetallic aluminide as a catalyst may overcome the historic inapplicability of a PDC to satisfactorily machine ferrous materials and may offer a superior alternative to cutters made from cubic boron nitride.
- IBD composites using nickel aluminide may be capable of cutting ferrous material, such as gray cast iron, over long periods of time with very little wear of cutting surfaces formed with such IBD composites. It has always been a given in machining ferrous materials that diamond reacts chemically with ferrous material and breaks down or graphitizes quickly at a frictional interface between the diamond cutting element and the ferrous material. This has been the case with cutting surfaces formed with natural diamond, synthetic diamond, impregnated diamond and PDC. Apparently IBD composites made with nickel aluminide may not experience such break down of cutting surfaces or graphitization of associated diamond. Apparently thermal and/or chemical processes that break down diamond during ferrous cutting applications may be significantly retarded by using nickel aluminide as a binder material to form a PDC.
- FIG. 3 is a schematic drawing in section with portions broken away showing a layer of hard cutting material formed from diamond pellets using an intermetallic aluminide catalyst.
- FIG. 1 shows a cutting element which includes a substrate with a PDC layer disposed on one end thereof.
- the PDC layer may be found using an intermetallic aluminide catalyst as previously described.
- a wafer of intermetallic nickel aluminide may be placed between one end of a substrate and powder mixture of intermetallic nickel aluminide and diamond particles. This wafer may act as a barrier to large scale migration of cobalt from the substrate into the PDC during the pressing cycle. If too much cobalt enters into the PDC during the process then advantages obtained through the use of an intermetallic aluminide catalyst may be reduced.
- PDC cutters made using the teachings of the present disclosure are especially applicable to rock drilling tools, down hole drilling and reaming tools, mining tools, ferrous and non-ferrous machining tools, wire dies, wood processing, and diamond saw blades for rock quarrying.
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- Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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- Environmental & Geological Engineering (AREA)
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- Structural Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metallurgy (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Earth Drilling (AREA)
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Abstract
Machining and cutting tools including, but not limited to, rotary drill bits, mining tools, milling tools, wood shredders, reamers and wire dies formed with at least one substrate having a layer of polycrystalline diamond disposed thereon. The polycrystalline diamond layer may be generally described as a polycrystalline diamond compact (PDC) or PDC layer. The PDC may be formed by using an intermetallic aluminide catalyst. One example of such catalyst may include nickel aluminide used to form diamond to diamond bonds between adjacent diamond particles.
Description
- This application claims the benefit under 35 U.S.C. §119(e) of U.S. Provisional Application No. 60/883,938, entitled “Intermetallic Aluminide Polycrystalline Diamond Compact (PDC) Cutting Elements,” filed Jan. 8, 2007.
- The present disclosure is related to rotary drill bits and associated cutting elements and more particularly to fixed cutter drill bits and associated cutting elements and/or inserts with hard layers of cutting material disposed on at least one portion of the cutting elements and/or inserts.
- Polycrystalline Diamond compositions were originally developed by General Electric. An early reference to manufacture of these composites in an ultra high pressure press is U.S. Pat. No. 3,141,746 to De Lai. In this reference De Lai describes a family of metals that may be used to provide a catalyst for diamond to diamond bonding in the manufacture of a polycrystalline diamond composite (sometimes referred to as a “polycrystalline diamond compact”) (PDC). The metal catalysts included by De Lai are iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium, platinum, titanium, chromium, manganese, and tantalum. General Electric continued to test various metal catalyst combinations throughout the 1960's and 1970's as is evident in the literature of PDC development. Nickel, aluminum, and alloys thereof have been used as binder catalysts for cubic boron nitride (CBN) compacts and PDC.
- In the mid 1980's new intermetallic materials, including nickel aluminide (Ni3Al) began to find commercial application. Prior to the mid 1980's nickel aluminide was often considered as having little commercial value due to inherent brittleness and less than desired hardness. The addition of approximately 1% boron during production of intermetallic nickel aluminide (INA) made it stronger or harder and more ductile while at the same time maintaining high heat transfer capability. A key patent in this area is to Huang et al., U.S. Pat. No. 4,478,791.
- Recent developments of Intermetallic Bonded Diamond (IBD) by Wittmer and Filip as described in US Patent Application Publication 2006/0280638 published on Dec. 14, 2006 and International Publication Number WO 2006/107628 published by WIPO on Oct. 12, 2006 disclose the use of nickel aluminide as a binder material during production of Intermetallic Bonded Diamond (IBD). Two further publications “Final Technical Report Mar. 1, 2004 through Dec. 31, 2004” and “Final Technical Report Jan. 1, 2005 through Sep. 30, 2005” for the project titled “Intermetallic-Bonded Diamond Tools for Coal Mining” further describe their work and observations.
- Wittmer and Filip use various methods to produce IBD composites including: heating in a furnace with continuous flowing argon, vacuum/pressure sintering, and hot isostatic pressing. Hot isostatic pressing is well known in the art and is the process often used to make impregnated diamond segments for rotary drill bits and other downhole tools. Typically such segments may include a copper/nickel binder to bind a mixture of tungsten carbide powder and small diamond particles. It is important to note that IBD composites developed by Wittmer and Filip do not involve diamond to diamond bonding but rather form metallic binder with diamond particles disposed therein.
- Wittmer and Filip have identified several advantages to their IBD composites. These composites appear to be more resistant to thermal degradation than composites that use copper/nickel alloys or other metals as a binder. In addition it appears that the use of nickel aluminide may retard the tendency of diamond to graphitize at higher temperatures where diamond graphitization typically occurs with copper/nickel binders.
- One aspect of the present disclosure may include ultra high pressure manufacturing of polycrystalline diamond composite (PDC) using an intermetallic aluminide as a catalyst and forming cutting elements or inserts with PDC's resulting from this process. For example, PDC's formed at least in part by using an intermetallic aluminide as a catalyst may be attached to a substrate to produce PDC cutters for rotary drill bits.
- PDC cutters incorporating teachings of the present disclosure may benefit from high heat transfer capabilities of intermetallic aluminide as compared to prior catalysts such as cobalt used to form PDC's. High heat transfer may mitigate possible effects of differences between respective coefficients of expansion of intermetallic aluminide and diamond. Heat transfer capabilities of an intermetallic aluminide may act synergistically with the diamond crystals of such PDC's to rapidly dissipate heat generated by friction at the cutting tip or cutting surface.
- PDC cutters incorporating teachings of the present disclosure may benefit from an intermetallic aluminide's ability to retard diamond graphitization at higher than typical temperatures and in the presence of a ferrous work piece. Historically cubic boron nitride cutters have been used to machine ferrous materials due to the well known ineffectiveness of diamond in this application. Cubic boron nitride is generally not as hard and wear resistant as diamond but is superior to diamond in ferrous machining applications. The capabilities of PDC cutters manufactured using an intermetallic aluminide as a catalyst may overcome the historic inapplicability of a PDC to satisfactorily machine ferrous materials and may offer a superior alternative to cutters made from cubic boron nitride.
- IBD composites using nickel aluminide may be capable of cutting ferrous material, such as gray cast iron, over long periods of time with very little wear of cutting surfaces formed with such IBD composites. It has always been a given in machining ferrous materials that diamond reacts chemically with ferrous material and breaks down or graphitizes quickly at a frictional interface between the diamond cutting element and the ferrous material. This has been the case with cutting surfaces formed with natural diamond, synthetic diamond, impregnated diamond and PDC. Apparently IBD composites made with nickel aluminide may not experience such break down of cutting surfaces or graphitization of associated diamond. Apparently thermal and/or chemical processes that break down diamond during ferrous cutting applications may be significantly retarded by using nickel aluminide as a binder material to form a PDC.
- A more complete and thorough understanding of the present embodiments and advantages thereof may be acquired by referring to the following description taken in conjunction with the accompanying drawings, in which like reference numbers indicate like features, and wherein:
-
FIG. 1 is a schematic drawing showing one example of an aluminide PDC cutting element or cutter incorporating teachings of the present disclosure; -
FIG. 2 is a schematic drawing in section showing another example of an aluminide PDC cutting element or cutter incorporating teachings of the present disclosure; and -
FIG. 3 is a schematic drawing in section with portions broken away showing a layer of hard cutting material formed from diamond pellets using an intermetallic aluminide catalyst. - Preferred embodiments of the present disclosure and various advantages may be understood by referring to
FIGS. 1 , 2 and 3 of the drawings. Like numerals may be used for like and corresponding parts in the various drawings. - The terms “rotary drill bit” and “rotary drill bits” may be used in this application to include various types of roller cone drill bits, rotary cone drill bits, fixed cutter drill bits, drag bits, matrix drill bits and PDC drill bits operable to form a wellbore extending through one or more downhole formations. Rotary drill bits and associated components formed in accordance with teachings of the present disclosure may have many different designs and configurations. Cutting elements and blades incorporating features of the present disclosure may also be used with reamers, near bit reamers, and other downhole tools associated with forming a wellbore.
- The terms “cutting element” and “cutting elements” may be used in this application to include various types of compacts, cutters and/or inserts satisfactory for use with a wide variety of rotary drill bits. The term “cutter” may include, but is not limited to, face cutters, gage cutters, inner cutters, shoulder cutters, active gage cutters and passive gage cutters.
- Polycrystalline diamond compacts (PDC), PDC cutters and PDC inserts are often used as cutting elements for rotary drill bits. Polycrystalline diamond compacts may also be referred to as PDC compacts.
- For some applications cutting elements formed in accordance with teachings of the present disclosure may include one or more polycrystalline diamond layers formed on a substrate by using an intermetallic aluminide catalyst. Such layers may sometimes be referred to as “cutting layers” or “tables”. Cutting layers may be formed with a wide variety of configurations, shapes and dimensions in accordance with teachings of the present disclosure. Examples of such configurations and shapes may include, but are not limited to, “cutting surfaces”, “cutting edges”, “cutting faces” and “cutting sides”.
- The terms “cutting structure” and “cutting structures” may be used in this application to include various combinations and arrangements of cutting elements, cutters, face cutters, gage cutters, impact arrestors, protectors, blades and/or other portions of rotary drill bits, coring bits, reamers and other downhole tools used to form a wellbore. Some fixed cutter drill bits may include one or more blades extending from an associated bit body. Cutting elements are often arranged in rows on exterior portions of a blade or other exterior portions of a bit body associated with fixed cutter drill bits. Various configurations of blades and cutters may be used to form cutting structures for a fixed cutter drill bit in accordance with teachings of the present disclosure.
- One embodiment of the present disclosure may include using nickel aluminide as a catalyst during production of PDC cutters. Nickel aluminide is not a typical alloy of nickel and aluminum, rather nickel aluminide is a well ordered crystalline compound expressed as Ni3Al. It is one of an emerging materials family of intermetallic aluminides that also includes iron aluminide, cobalt aluminide, titanium aluminide, nickel-platinum aluminide, nickel-titanium aluminide, niobium aluminide, ruthenium aluminide, scandium aluminide, and zirconium aluminide. The process may involve loading a cell with a WC substrate inclusive of a small percent (2% to 15%) of cobalt and covering one end or one portion of the substrate with a mixture of intermetallic nickel aluminide powder and diamond particles of a size range between approximately 3 microns to 60 microns. A size range of 5 microns and 25 microns of diamond particles may be preferred for some applications.
- Resulting PDC's may have a diamond volume percent between approximately 50% and 95% of the total volume of each PDC. A diamond volume percent between approximately 75% and 92% may be preferred for some applications. A substrate with a mixture of diamond particles and an intermetallic aluminide may be placed in a conventional container associated with manufacture of PDC cutters. The loaded cell may then be placed into an ultra high pressure press and brought up to pressures and temperatures for time periods as are well known in the art and described at length in the literature. The result may be a PDC cutter better suited to high temperature applications and/or to ferrous machining applications than prior art PDC cutters.
-
FIG. 1 shows a cutting element which includes a substrate with a PDC layer disposed on one end thereof. The PDC layer may be found using an intermetallic aluminide catalyst as previously described. - For some applications a wafer of intermetallic nickel aluminide may be placed between one end of a substrate and powder mixture of intermetallic nickel aluminide and diamond particles. This wafer may act as a barrier to large scale migration of cobalt from the substrate into the PDC during the pressing cycle. If too much cobalt enters into the PDC during the process then advantages obtained through the use of an intermetallic aluminide catalyst may be reduced.
-
FIG. 2 shows a cutting element which includes a layer or wafer of intermetallic aluminide disposed between one end of a substrate and an associate PDC layer. The PDC layer may be formed using an intermetallic aluminide as previously described. The substrates shown inFIGS. 1 and 2 may be formed from a wide variety of materials including, but not limited to, tungsten carbide (WC). - PDC cutters made using the teachings of the present disclosure are especially applicable to rock drilling tools, down hole drilling and reaming tools, mining tools, ferrous and non-ferrous machining tools, wire dies, wood processing, and diamond saw blades for rock quarrying.
- Although the present disclosure and its advantages have been described in detail, it should be understood that various changes, substitutions and alternations can be made herein without departing from the spirit and scope of the disclosure as defined by the following claims.
Claims (16)
1. A cutting element comprising:
a substrate having at least one layer of a polycrystalline diamond compact disposed thereon; and
the polycrystalline diamond compact formed in part by using an intermetallic aluminide as a catalyst to form diamond to diamond bonds between adjacent diamond particles.
2. The cutting element of claim 1 wherein the intermetallic aluminide further comprises nickel aluminide.
3. The cutting element of claim 1 further comprising the intermetallic aluminide selected from the group consisting of iron aluminide, cobalt aluminide, titanium aluminide, nickel-platinum aluminide, nickel-titanium aluminide, niobium aluminide, ruthenium aluminide, scandium aluminide, and zirconium aluminide.
4. The cutting element of claim 1 further comprising an insert for a fixed cutter rotary drill bit.
5. The cutting element of claim 1 further comprising a portion of a downhole tool selected from the group consisting of a rotary drill bit, reamer, near bit reamer, hole opener and coring bit.
6. The cutting element of claim 1 further comprising at least one portion of a tool selected from the group consisting of a mining tool, a machining tool used to cut ferrous materials, a machining tool used to cut non-ferrous materials, a machining tool used to process wood and other fibrous materials and a saw blade used to cut rocks such as limestone and granite, concrete, cermets and other hard materials.
7. The cutting element of claim 1 further comprising:
the substrate having a first end; and
the at least one layer of the polycrystalline diamond compact disposed on the first end of the substrate.
8. The cutting element of claim 7 further comprising a layer of intermetallic aluminide disposed between the first end of the substrate and the at least one layer of the polycrystalline diamond compact.
9. The cutting element of claim 7 further comprising the intermetallic aluminide used to form the layer of polycrystalline diamond compact selected from the group consisting of iron aluminide, cobalt aluminide, titanium aluminide, nickel-platinum aluminide, nickel-titanium aluminide, niobium aluminide, ruthenium aluminide, scandium aluminide, and zirconium aluminide.
10. The cutting element of claim 7 further comprising:
a plurality of void spaces formed between adjacent diamond particles bonded with each other by diamond to diamond bonds; and
the intermetallic aluminide disposed within the void spaces formed between adjacent diamond particles.
11. A rotary drill bit operable to form a wellbore in a downhole formation comprising:
a bit body having one end operable for connection to a drill string;
a plurality of cutting elements disposed on exterior portions of the bit body;
the cutting elements defined in part by a respective substrate and a respective layer of hard cutting material disposed on one end of the respective substrate; and
the layer of hard cutting material including a polycrystalline diamond compact formed at least in part by using an intermetallic aluminide catalyst.
12. The drill bit of claim 11 further comprising at least one of the substrates having a generally circular cross section.
13. The drill bit of claim 11 further comprising at least one of the substrates having a generally noncircular cross section.
14. The drill bit of claim 11 further comprising:
a bit face profile having an inverted cone shaped configuration opposite from the one end of the bit body;
an opening formed in the bit body proximate the inverted cone shaped portion of the bit face profile;
a substrate having a layer of a polycrystalline diamond compact formed in part by intermetallic aluminide catalyst;
a post extending from the substrate; and
the post disposed in the opening in the bit body with the layer of the polycrystalline compact operable to engage formation materials adjacent to the inverted cone shaped portion of the bit face profile.
15. The cutting element of claim 11 wherein the intermetallic aluminide further comprises nickel aluminide.
16. The drill bit of claim 11 further comprising the intermetallic aluminide selected from the group consisting of iron aluminide, cobalt aluminide, titanium aluminide, nickel-platinum aluminide, nickel-titanium aluminide, niobium aluminide, ruthenium aluminide, scandium aluminide, and zirconium aluminide.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/522,360 US20100038148A1 (en) | 2007-01-08 | 2008-01-07 | Intermetallic Aluminide Polycrystalline Diamond Compact (PDC) Cutting Elements |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US88393807P | 2007-01-08 | 2007-01-08 | |
US12/522,360 US20100038148A1 (en) | 2007-01-08 | 2008-01-07 | Intermetallic Aluminide Polycrystalline Diamond Compact (PDC) Cutting Elements |
PCT/US2008/050402 WO2008086284A2 (en) | 2007-01-08 | 2008-01-07 | Intermetallic aluminide polycrystalline diamond compact (pdc) cutting elements |
Publications (1)
Publication Number | Publication Date |
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US20100038148A1 true US20100038148A1 (en) | 2010-02-18 |
Family
ID=39609338
Family Applications (1)
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US12/522,360 Abandoned US20100038148A1 (en) | 2007-01-08 | 2008-01-07 | Intermetallic Aluminide Polycrystalline Diamond Compact (PDC) Cutting Elements |
Country Status (6)
Country | Link |
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US (1) | US20100038148A1 (en) |
CN (1) | CN101611210B (en) |
CA (1) | CA2674469C (en) |
GB (1) | GB2458422B (en) |
WO (1) | WO2008086284A2 (en) |
ZA (1) | ZA200904728B (en) |
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Also Published As
Publication number | Publication date |
---|---|
WO2008086284A3 (en) | 2008-10-30 |
GB2458422A (en) | 2009-09-23 |
CA2674469C (en) | 2015-04-28 |
CA2674469A1 (en) | 2008-07-17 |
GB2458422B (en) | 2011-11-02 |
GB0912849D0 (en) | 2009-08-26 |
CN101611210B (en) | 2013-05-15 |
CN101611210A (en) | 2009-12-23 |
ZA200904728B (en) | 2013-09-25 |
WO2008086284A2 (en) | 2008-07-17 |
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