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WO/2012/145351A2 |
The present disclosure relates to cutting elements incorporating polycrystalline diamond bodies used for subterranean drilling applications, and more particularly, to polycrystalline diamond bodies having high diamond frame strength and ...
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WO/2012/138638A2 |
A PDC cutting element is described with a high abrasion thermally stable cutting edge that is supported by a diamond matrix which presents a non-planar wear surface to the rock interface. The non-planar wear surface of the supporting lay...
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WO/2012/130869A1 |
A cubic boron nitride (cBN) crystal or plurality of crystals containing a chloride salt compound including an alkali metal or an alkali earth metal. For example, the chloride salt compound may be selected from potassium chloride, magnesi...
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WO/2012/128948A1 |
In an embodiment, a polycrystalline diamond compact ("PDC") includes a substrate and a pre-sintered polycrystalline diamond ("PCD") table bonded to the substrate. The pre-sintered PCD table includes an upper surface, a back surface bonde...
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WO/2012/121940A2 |
Methods of forming a polycrystalline element comprise forming a polycrystalline table on a first substrate. Catalyst material may be removed from at least a portion of the polycrystalline table. The polycrystalline table and a portion of...
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WO/2012/121942A2 |
Polycrystalline elements comprise a substrate and a polycrystalline table attached to an end of the substrate. The polycrystalline table comprises a first region of superabrasive material having a first permeability and at least a second...
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WO/2012/089566A1 |
A superhard structure comprises a body of polycrystalline superhard material comprising a first region and a second region, the second region being adjacent an exposed surface of the superhard structure, the second region comprising a di...
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WO/2012/089567A1 |
A superhard structure comprises a body of polycrystalline superhard material comprising a first region and a second region. The second region is adjacent an exposed surface of the superhard structure and comprises a diamond material or c...
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WO/2012/083922A1 |
In a method for producing a component with increased thermal conductivity by building it up layer by layer, at least one portion of the component is built up by steps which comprise at least the following: a) applying a layer portion wit...
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WO/2012/078314A1 |
In an embodiment, a method of fabricating a polycrystalline diamond compact ("PDC") includes forming a polycrystalline diamond ("PCD") table in the presence of a metal-solvent catalyst in a first high-pressure/high-temperature ("HPHT") p...
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WO/2012/071515A2 |
Diamond bonded constructions include a diamond body comprising intercrystalline bonded diamond and interstitial regions. The body has a working surface and an interface surface, and may be joined to a metallic substrate. The body has a g...
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WO/2012/038529A2 |
The present invention relates to a method of producing a sintered composite body comprising cubic boron nitride particles dispersed in a cemented carbide matrix by sintering a mixture comprising cubic boron nitride particles and a cement...
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WO/2012/031300A2 |
A sintered cutting element including a superabrasive layer supported on a substrate. The superabrasive layer includes superabrasive material and secondary phase, and the substrate includes a binder phase. The sintered cutting element is ...
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WO/2012/023722A2 |
Provided is a low heat capacity composite for a thermal cycler. The low heat capacity composite of the present invention is a low heat capacity composite for a thermal cycler capable of overcoming difficulty in manufacture and reproducib...
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WO/2012/004294A1 |
PCBN material consisting essentially of cubic boron nitride (cBN) grains and binder material, the content of the cBN grains being at least 80 weight percent of the PCBN material; the binder material comprising greater than 50 weight perc...
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WO/2011/144670A1 |
A method for making a polycrystalline diamond (PCD) construction comprises providing a cemented carbide substrate comprising carbide grains cemented together by a cement material, subjecting the substrate to a first pressure treatment, t...
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WO/2011/141461A1 |
The present invention relates to polymer-modified carbon nanotubes, to a thermally conductive composition comprising at least one continuous metal phase and thermally conductive carbon nanotubes (CNT), and to methods for their production.
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WO/2011/141898A1 |
A PCD body comprises a skeletal mass of inter-bonded diamond grains defining interstices between them. At least some of the interstices contain a filler material comprising a metal catalyst material for diamond, the filler material conta...
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WO/2011/127321A2 |
An improved composition of titanium sintered titanium carbide is provided. The composition provides an improved degree of strength and toughness and improved compatibility with medical imaging. The composition provides good compatibility...
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WO/2011/098559A1 |
A tip (20) for a rotary machine tool comprising a superhard structure (12) joined to a cemented carbide substrate14by means of at least one intermediate layer (161, 62, 163) disposed between the superhard structure (12) and the cemented ...
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WO/2011/098556A1 |
A superhard element (22) for a machine tool, comprising polycrystalline cubic boron nitride (PCBN) material containing whiskers of a ceramic material, the PCBN material comprising at least about 50 volume percent cubic boron nitride (cBN...
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WO/2011/090582A1 |
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...
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WO/2011/084864A2 |
A blank for use in forming a machining tool having a body with at least one end face and at least two recesses formed in the end face including a first recess wherein the first recess extends from the end face at an angle of about 15° t...
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WO/2011/081924A1 |
In an embodiment, a polycrystalline diamond compact ("PDC") comprises a cemented carbide substrate including a first cemented carbide portion exhibiting a first concentration of chromium carbide and a second cemented carbide portion bond...
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WO/2011/069637A1 |
A PCD structure comprising a first region, in a state of residual compressive stress, and a second region in a state of residual tensile stress adjacent the first region; the first and second regions each formed of respective PCD grades ...
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WO/2011/047743A1 |
The invention relates to a method for producing composite materials that consist of carbon nanotubes (CNTs) and one or more metals, by producing and sintering a mixture of said metals and CNTs, and introducing said mixture into a metal m...
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WO/2011/049479A1 |
The invention relates to high thermal conductivity materials, in particular, to copper-diamond composite materials, which can be used as heat exchangers, heat sinks, heat spreaders for electronic and other devices and a method of product...
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WO/2011/042566A1 |
A PCD composite compact comprising a PCD structure bonded at an interface to a substrate comprising cemented carbide material; the PCD structure comprising a mass of directly inter-bonded diamond grains having a mean size of at most abou...
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WO/2011/029773A1 |
A polycrystalline diamond (PCD) composite compact element comprising a PCD structure bonded to a cemented carbide substrate, in which at least a peripheral region of the substrate comprises cemented carbide material having a mean free pa...
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WO/2011/017318A1 |
Consolidated materials comprising a plurality of coated particles dispersed in a tough matrix material are disclosed. The coated particles include a plurality of core particles having an intermediate layer that substantially surrounds ea...
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WO/2011/011771A2 |
An exemplary cutting element incorporates a non-magnetic and electrically conductive substrate on which a layer of polycrystalline diamond particles is sintered to the substrate. An exemplary method of forming a cutting element comprises...
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WO/2010/130834A1 |
A superhard cutter element for machining a workpiece comprising wood, metal, ceramic material or composite material, the superhard cutter comprising a superhard structure (140) having a rake side (110) and a flank side (120), the rake si...
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WO/2010/128492A1 |
An ultra-hard composite material comprises a mass of diamond grains exhibiting inter-granular bonding and a binder. The binder comprises a material of the formula Mn+1AXn. M is one or more elements selected from the group consisting of S...
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WO/2010/117823A2 |
Cutting elements having a substrate and a layer of superhard material sintered to the substrate are disclosed. The layer includes a working surface at a first surface. From the interface of the layer with the substrate, a reaction zone e...
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WO/2010/103418A1 |
The invention relates to a superhard element (10) comprising a polycrystalline superhard structure (20) joined at an interface to a hard-metal body (30) comprising metal carbide grains bonded together by a metal binder,- the polycrystall...
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WO/2010/100630A1 |
An embodiment of a PCD insert comprises an embodiment of a PCD element joined to a cemented carbide substrate at an interface. The PCD element has internal diamond surfaces defining interstices between them. The PCD element further compr...
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WO/2010/100629A2 |
An embodiment of a PCD insert comprises an embodiment of a PCD element joined to a cemented carbide substrate at an interface. The PCD element has internal diamond surfaces defining interstices between them. The PCD element comprises a m...
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WO/2010/097783A1 |
The invention relates to a polycrystalline diamond (PCD) body comprising PCD material having a graphitisation onset temperature, the PCD body having a working surface and comprising a first region remote from the working surface, the fir...
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WO/2010/092540A2 |
The present invention relates to polycrystalline diamond (PCD) comprising diamond in granular form, the diamond grains forming a bonded skeletal mass having a network of internal surfaces, the internal surfaces defining interstices or in...
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WO/2010/084447A1 |
The invention provides for a method of treating a diamond containing body having at least one metal dispersed through its microstructure. The metal is in the form of an anodic metal having a standard reduction potential EΘ red (anodic)....
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WO/2010/054619A2 |
The invention relates to a composite member made of copper or a copper alloy with embedded carbon nanotubes (CNTs), a method for producing such a member, and the use of said member. According to the invention, the percentage of CNTs rang...
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WO/2010/046860A1 |
The invention relates to a PCD composite compact element comprising a PCD structure integrally bonded at an interface to a cemented carbide substrate; the PCD structure comprising coherently bonded diamond grains having a mean size no gr...
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WO/2010/039346A1 |
Embodiments of the invention relate to polycrystalline diamond ("PCD") exhibiting enhanced diamond-to-diamond bonding. In an embodiment, PCD includes a plurality of diamond grains defining a plurality of interstitial regions. A metal-sol...
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WO/2010/029518A1 |
The invention relates to a hard-metal comprising at least 13 volume % of a metal carbide selected from the group consisting of TiC, VC, ZrC, NbC, MoC, HfC, TaC1 WC or a combination thereof, a binder phase comprising one or more of iron-g...
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WO/2010/022430A2 |
The invention relates to a novel composite material comprising a) a matrix (A) formed from at least one metal from the group Al, Mg, Cu, Ag, Ni, Cr, Co, Nb, Ta, W, Mo, Si, Fe having a thermal conductivity of >50 W/mK, and/or from a metal...
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WO/2010/007974A1 |
A process for the production of an aluminum-diamond composite, characterized by comprising the step of preparing a diamond powder having a specific particle diameter, the step of adding colloidal silica to the diamond powder to form a sl...
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WO/2009/132035A1 |
The present invention relates to tungsten rhenium compounds and composites and to methods of forming the same. Tungsten and rhenium powders are mixed together and sintered at high temperature and high pressure to form a unique compound. ...
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WO/2009/128034A1 |
The present invention relates to a super-hard enhanced hard-metal comprising particulate hard material and a binder and at least one formation, the formation comprising a core cluster and a plurality of satellite clusters, spaced from, s...
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WO/2009/125355A1 |
A polycrystalline diamond (PCD) compact and method for making the compact are provided. The method includes bringing a first PCD wafer and a second PCD wafer together at an interface in the presence of a bonding agent to form an unbonded...
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WO/2009/061265A1 |
The present invention relates to a method for producing diamond-metal composites comprising mixing diamond particles with metal-filler particles forming a diamond/metal-filler mixture, forming a green body of the diamond/metal-filler mix...
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