Abstract: A coated abrasive article including a plurality of shaped abrasive particles overlying a backing, the coated abrasive article having a plain-carbon steel grinding lifespan of at least about 5500 g/in.

Abstract: An abrasive article includes abrasive particles contained within a hybrid bond that may include a metal bond material and an organic bond material, the article having an average thickness of 250 microns or less and the metal bond material including a solid solution phase and an intermetallic phase distinct from the solid solution phase.

Abstract: A superabrasive compact (e.g., a polycrystalline diamond compact) including a substrate and at least one feature for reducing the susceptibility of the substrate to liquid metal embrittlement during brazing operations is disclosed. The superabrasive compact may include a region between the substrate and a superabrasive table in which residual tensile stresses are located. The at least one feature may reduce the susceptibility of the substrate to liquid metal embrittlement by altering the stress state and/or substantially preventing the substrate from being wetted at the residual stress region.

Abstract: A superabrasive cutter and a method of making the superabrasive cutter are disclosed. The superabrasive cutter may comprise a plurality of polycrystalline superabrasive particles and about 0.01% to about 4% by weight of the superabrasive particles of a metal or metal alloy. The metal or the metal alloy may be immiscible with a catalyst for forming the polycrystalline superabrasive particles.

Abstract: An abrasive tool is provided that may include a body, which may include abrasive particles contained within a bond material. The abrasive particles may be a super abrasive material. The body may further include at least one of a break-in length of not greater than about 1000 linear meters, a maximum initial speed character of at least about 10 m/min, a life span of at least about 1000 linear meters, a dressing frequency of at least about 25 parts/dress, an edge quality of at least about 25% of a workpiece free from defects and a combination thereof.

Abstract: An abrasive tool is provided that may include a body, which may include abrasive particles contained within a bond material. The abrasive particles may be a super abrasive material. The body may further include at least one of a ratio of tungsten to cast iron (W/CI) of not greater than about 1, a ratio of copper-containing compositions to cast iron (CCC/CI) of not greater than about 1, a ratio of titanium-containing compositions to cast-iron (TiCC/CI) of not greater than about 1, a ratio of tungsten carbide to cast iron (WC/CI) of not greater than about 1, a ratio of tungsten carbide to copper-containing compositions (WC/CCC) of not greater than about 1, a ratio of copper-containing compositions and titanium-containing compositions to cast iron ((CCC+TiC)/CI) of not greater than about 1.5 or a combination thereof.

Abstract: The present invention relates to a metal polishing liquid for polishing at least a part of metal in a substrate having the metal, comprising, component A: a metal solubilizer containing amino acids, component B: compounds having the benzotriazole skeleton, and component C: an acrylic acid polymer having the weight average molecular weight of 10,000 or more, and having the mass ratio between the component B and the component C, (component B:component C), to be 1:1 to 1:5. Use of the metal polishing liquid can simultaneously yield high polishing rates and low etching rates at higher level, enabling to form an embedded pattern with higher reliability.

Abstract: The invention relates to a protective coating, having the chemical composition CaSibBdNeOgHlMem, wherein Me is at least one metal of the group consisting of {Al, Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W, Y, Sc, La, Ce, Nd, Pm, Sm, Pr, Mg, Ni, Co, Fe, Mn}, with a+b+d+e+g+l+m=1. According to the invention, the following conditions are satisfied: 0.45?a?0.98, 0.01?b?0.40, 0.01?d?0.30, 0?e?0.35, 0?g?0.20, 0?l?0.35, 0?m?0.20. The invention relates also to a coated member having a protective coating, as well as to a method for producing a protective coating, in particular a multilayer film for a member.

Abstract: Embodiments of the invention relate to methods of fabricating a polycrystalline diamond compacts and applications for such polycrystalline diamond compacts. In an embodiment, a method of fabricating a polycrystalline diamond compact includes at least saturating a sintering aid material with non-diamond carbon to form a carbon-saturated sintering aid material and sintering a plurality of diamond particles in the presence of the carbon-saturated sintering aid particles to form a polycrystalline diamond table.

Abstract: Catalyst in a sintered polycrystalline diamond (PCD) structure is dissolved in at least a portion of the structure by a liquid solvent metal. The structure is infused with the heated solvent and the solvent infiltrates interstitial spaces between consolidated diamond grains to contact residual catalyst from the sintering process. The dissolved catalyst passes to the bulk solvent and the solvent replaces the catalyst in the interstitial spaces.

Abstract: A method and associated composition for CMP processing of noble metal-containing substrates (such as ruthenium-containing substrates) afford both high removal rates of the noble metal and are tunable with respect to rate of noble metal removal in relation to removal of other films. Low levels of an oxidizing agent containing one or more peroxy-functional group(s) can be used along with a novel ligand to effectively polish noble metal substrates.

Abstract: A method of making polycrystalline diamond material includes providing a fraction of diamond particles or grains and a sintering additive, the sintering additive comprising a carbon source of nano-sized particles or grains, forming the diamond particles and sintering additive into an aggregated mass, consolidating the aggregated mass and a binder material to form a green body, and subjecting the green body to conditions of pressure and temperature at which diamond is more thermodynamically stable than graphite and for a time sufficient to consume the sintering additive, sintering it and forming polycrystalline diamond material that is thermodynamically and crystallographically stable and is substantially devoid of any nano-structures.

Abstract: Cutting elements for use with earth-boring tools include a cutting table having at least two sections where a boundary between the at least two sections is at least partially defined by a discontinuity formed in the cutting table. Earth-boring tools including a tool body and a plurality of cutting elements carried by the tool body. The cutting elements include a cutting table secured to a substrate. The cutting table includes a plurality of adjacent sections, each having a discrete cutting edge where at least one section is configured to be selectively detached from the substrate in order to substantially expose a cutting edge of an adjacent section. Methods for fabricating cutting elements for use with an earth-boring tool including forming a cutting table comprising a plurality of adjacent sections.

Abstract: A method of processing a polycrystalline diamond (PCD) material having a non-diamond phase comprising a diamond catalyst/solvent material comprises leaching an amount of the diamond catalyst/solvent from the PCD material by exposing at least a portion of the PCD material to a leaching mixture. The leaching mixture comprises hydrochloric acid and one or more additional mineral acids, the molar concentration of the hydrochloric acid being greater than the molar concentration of the one or more additional mineral acids in the leaching mixture.

Abstract: Provided are a method for producing an alumina sintered compact satisfying the following (1) and (2), which comprises mixing and sintering an ilmenite powder and an alumina powder; the alumina sintered compact obtained according to the production method; and an abrasive grain and a grain stone. (1) The total amount of the TiO2-equivalent content of the titanium compound, the Fe2O3-equivalent content of the iron compound and the alumina content is at least 98% by mass; (2) The total amount of the TiO2-equivalent content of the titanium compound and the Fe2O3-equivalent content of the iron compound is from 5 to 13% by mass.

Abstract: A cutting tool in which wear resistance is improved by suppressing sudden chipping on the flank face while suppressing oxidation of the coating layer on the rake face, and thereby has a long lifespan even under cutting conditions in which deposition and edge damage easily occur. In the cutting tool, a coating layer represented by Ti1-a-b-cAlaWbMc(C1-xNx), with M selected as at least one of silicon, yttrium, and a metal belonging to group 4, 5, or 6 on the periodic table, excluding titanium and tungsten, and 0.3?a?0.6, 0.01?b?0.2, 0?c?0.2, and 0?x?1, being provided on the surface of a main cutting tool body having a flank face and a rake face, and the content ratio of tungsten on the flank face is higher than the content ratio of tungsten on the rake face.

Abstract: The invention pertains to hardware such as cutting tools with improved performance, wear-resistance and durability made from sintered polycrystalline aluminum nitride based ceramic composites containing secondary or dispersed phases for enhanced toughness. The articles of this invention provide good hardness, toughness, chemical inertness, thermal stability, lubricity, wear-resistance, and the ability to operate in the presence of liquid coolants, yielding good surface finish and long lifetime. The cutting tools of this invention are applicable to a wide range of industrial, biomedical, commercial and other applications.

Abstract: A free standing PCD body comprises a PCD material formed of combination of intergrown diamond grains forming a diamond network and an interpenetrating metallic network, the PCD body not being attached to a second body or substrate formed of a different material. The diamond network is formed of diamond grains having a plurality of grain sizes, and comprises a grain size distribution having an average diamond grain size, wherein the largest component of the diamond grain size distribution is no greater than three times the average diamond grain size. The PCD material forming the free standing PCD body is homogeneous, such that the PCD body is spatially constant and invariant with respect to diamond network to metallic network volume ratio. The homogeneity is measured at a scale greater than ten times the average grain size and spans the dimension of the PCD body. The PCD material is also macroscopically residual stress free at said scale.

Abstract: A method of forming an abrasive article includes depositing a mixture into an opening of a substrate, contacting an exposed surface of the mixture in the opening to a texturing form to form a textured preform, and removing the mixture from the opening and forming an abrasive particle having a textured surface.

Abstract: An abrasive article includes a bonded abrasive body having abrasive particles contained within a bond material. The abrasive particles include silicon carbide and are essentially free of carbon-based and boron-based sintering aid materials. In an embodiment, the bond material can include a phenolic resin. In another embodiment, the bonded abrasive body can include an oxide phase disposed interstitially between the silicon carbide abrasive particles. In an additional embodiment, the abrasive particles can consist essentially of silicon carbide and aluminum oxide in a ratio of silicon carbide to alumina of at least about 8:1.

Abstract: Disclosed is a method for recycling a cerium oxide abrasive. The method may include adding a strong alkali solution to a slurry waste of the cerium oxide abrasive, adding sodium fluoride to the slurry waste, and separating a cerium oxide particle included in the slurry waste from other kinds of particles.

Abstract: Presently described are methods of making an article via electrostatic deposition of particles, abrasive grains and articles, as well as a method of repairing a painted surface. The abrasive grain comprises a plurality of abrasive particles having a median primary particle size of less than 75 microns, and discrete hydrophobic nanoparticles.

Abstract: Provided are an alumina sintered compact containing a titanium compound and an iron compound, wherein the total amount of the TiO2-equivalent content of the titanium compound, the Fe2O3-equivalent content of the iron compound and the alumina content is at least 98% by mass, the total amount of the TiO2-equivalent content of the titanium compound and the Fe2O3-equivalent content of the iron compound is from 5 to 13% by mass, and the ratio by mass of the TiO2-equivalent content of the titanium compound to the Fe2O3-equivalent content of the iron compound (TiO2/Fe2O3) is from 0.85/1.15 to 1.15/0.85; and an abrasive grain and a grain stone using the alumina sintered compact.

Abstract: In various embodiments, a polycrystalline diamond compact (“PDC”) comprises a substrate including an interfacial surface having a raised region. In an embodiment, a PDC comprises a substrate including an interfacial surface having a generally cylindrical raised region and a peripheral region extending about the generally cylindrical raised region. The generally cylindrical raised region extends to a height above the peripheral region of about 450 ?m or less. The PDC includes a PCD table bonded to the interfacial surface of the substrate. The PCD table includes an upper surface and at least one peripheral surface, and includes a plurality of bonded diamond grains defining interstitial regions. At least a portion of the interstitial regions includes a metallic constituent therein.

Abstract: The cutting tool of the present invention has a base material and a multi-layer coating formed thereon. The multi-layer coating includes an A-layer, a B-layer and a C-layer repeatedly deposited in the order of A-layer, C-layer and B-layer from the base material toward an outer surface of the multi-layer coating. The A-layer has a1 layers and a2 layers wherein 8-20 layers of a1 layers and a2 layers are non-periodically deposited per 100 nm. Each unit layer of the A-layer, B-layer, and C-layer has a thickness of 0.5-2.0 ?m, 0.1 ?m-0.5 ?m and 55-95 nm respectively.

Abstract: In an embodiment, a method of non-destructively testing a polycrystalline diamond (“PCD”) element includes providing a PCD element including a plurality of bonded diamond grains defining a plurality of interstitial regions, at least a portion of the plurality of interstitial regions including one or more interstitial constituents disposed therein. The method further includes exposing the PCD element to neutron radiation from a neutron radiation source, receiving a portion of the neutron radiation that passes through the PCD element, and determining at least one characteristic of the PCD element at least partially based on the portion of the neutron radiation received. For example, the at least one characteristic may be the presence and distribution of metal-solvent catalyst, residual metal-solvent catalyst, an infiltrant, residual infiltrant, or other interstitial constituents within a PCD element.

Abstract: Abrasive material regeneration method regenerates a cerium oxide abrasive material from a used abrasive material slurry containing the cerium oxide abrasive material and resulting from grinding a grinding subject having silicon as the primary component, characterized by regenerating the abrasive material containing cerium oxide through: a slurry recovery step (A) for recovering an abrasive material slurry discharged from a grinder; an isolation/concentration step (B) for adding a magnesium salt as an inorganic salt to the recovered abrasive material slurry, aggregating the abrasive material under the condition that the pH value of the mother liquor converted to 25 DEG C is at least 6.5 and less than 10.0, and thus isolating and concentrating the abrasive material from the mother liquor; and an abrasive material recovery step (C) for recovering the isolated and concentrated abrasive material.

Abstract: Polycrystalline compacts include non-catalytic, non-carbide-forming particles in interstitial spaces between interbonded grains of hard material in a polycrystalline hard material. Cutting elements and earth-boring tools include such polycrystalline compacts. Methods of forming polycrystalline compacts include forming a polycrystalline material including a hard material and a plurality of particles comprising a non-catalytic, non-carbide-forming material. Methods of forming cutting elements include infiltrating interstitial spaces between interbonded grains of hard material in a polycrystalline material with a plurality of non-catalytic, non-carbide-forming particles.

Abstract: A method of forming polycrystalline diamond includes forming metal nanoparticles having a carbon coating from an organometallic material; combining a diamond material with the metal nanoparticles having the carbon coating; and processing the diamond material and the metal nanoparticles having the carbon coating to form the polycrystalline diamond. Processing includes catalyzing formation of the polycrystalline diamond by the metal nanoparticles; and forming interparticle bonds that bridge the diamond material by carbon from the carbon coating.

Abstract: A coated tool has a substrate and a coating film coated on the surface thereof. The coating film includes an intermediate film coated on the surface of the substrate, and an oxide film coated on the surface of the intermediate film. A crack coefficient R obtained by measuring a crack length dc (?m) which is generated on the surface of the coated tool by pushing a Vickers indenter into the surface of the coating film with an applied load P=196(N), and a fracture toughness KIC (MPa·m0.5) of the substrate, and by calculating from the following numerical formula: R=P/(dc·KIC), is 0.07 to 0.12 m0.5.

Abstract: A bond matrix for metal bonded abrasive tools includes a metal bond system, porosity and an optional filler. Tools according to embodiments of the invention exhibit long tool life, produce an acceptable quality of cut and can have self-dressing properties. The bond matrix can be used, for example, in abrasives tools configured for the electronics industry, such as 1A8 wheels for slicing ball grid arrays (BGAs) and other such slicing operations.

Abstract: A method of forming a mixture including a ceramic material into a sheet, sectioning at least a portion of the sheet using a mechanical object and forming at least one shaped abrasive particle from the sheet, such that the at least one shaped abrasive particle can have a two-dimensional shape as viewed in a plane defined by a length and a width of the shaped abrasive particle selected from the group consisting of polygons, ellipsoids, numerals, Greek alphabet characters, Latin alphabet characters, Russian alphabet characters, complex shapes having a combination of polygonal shapes, and a combination thereof.

Abstract: A method for treating a super-hard structure, the method including heating the super-hard structure to a treatment temperature of at least 500 degrees centigrade and cooling the super-hard structure from the treatment temperature to a temperature of less than 200 degrees centigrade at a mean cooling rate of at least 1 degree centigrade per second and at most 100 degrees centigrade per second to provide a treated super-hard structure. A PCBN structure produced by the method may have flexural strength of at least 650 MPa.

Abstract: An abrasive article includes a shaped abrasive particle including a body having a first height (h1) at a first end of the body defining a corner between an upper surface, a first side surface, and a second side surface, and a second height (h2) at a second end of the body opposite the first end defining an edge between the upper surface and a third side surface, wherein the average difference in height between the first height and the second height is at least about 50 microns. The body also includes a bottom surface defining a bottom area (Ab) and a cross-sectional midpoint area (Am) defining an area of a plane perpendicular to the bottom area and extending through a midpoint of the particle, the body has an area ratio of bottom area to midpoint area (Ab/Am) of not greater than about 6.

Abstract: A method for forming a polycrystalline diamond compact (PDC) includes steps of disposing a first catalyst source on a top of a plurality of diamond crystals; disposing a second catalyst source at a bottom of the plurality of diamond crystals; and applying high temperature and high pressure to the plurality of diamond crystals, the first catalyst source and the second catalyst source such that the plurality of diamond crystals are sintered into a polycrystalline diamond compact.

Abstract: A sintered body for cutting tools that includes hard particle phase comprising a plurality of hard particles, wherein at least a portion of the hard phase particles comprise a coating deposited by atomic layer deposition disposed thereon; and a binder phase is disclosed. The hard particles that may be included in the sintered bodies may include tungsten carbide, diamond, and boron nitride particles.

Abstract: Suspensions of cerium oxide particles, well suited for polishing applications, the particles (secondary particles) of which have an average size of at most 200 nm, these secondary particles are formed from primary particles whose average size measured by TEM is at most 150 nm with a standard deviation of at most 30% of the value of this average size, and for which the ratio of the average size measured by TEM to the average size measured by BET is at least 1.5. Such suspensions are prepared from solutions of a cerium III salt, comprising a colloidal dispersion of cerium IV, which are contacted, in the presence of nitrate ions and under an inert atmosphere, with a base, and the medium obtained is subjected to a thermal treatment under an inert atmosphere and then acidified and washed.

Abstract: A polycrystalline diamond compact includes a substrate and a polycrystalline diamond table attached to the substrate. The polycrystalline diamond table includes an upper surface and at least one peripheral surface. Diamond grains of the polycrystalline diamond table define a plurality of interstitial regions. The polycrystalline diamond table includes a region having silicon carbide positioned within at least some of the interstitial regions thereof. In an embodiment, the first region extends over only a selected portion of the upper surface and/or at least a portion of the at least one peripheral surface. In another embodiment, the first region substantially contours the upper surface and a chamfer.

Abstract: There is provided a surface-coated sintered body formed of a sintered body of cubic boron nitride with a sufficiently adhesive surface coating layer thereon. The present surface-coated sintered body includes a sintered body of cubic boron nitride and a surface coating layer formed on a surface thereof, the sintered body of cubic boron nitride including 20-99.5% by volume of cubic boron nitride and a binder, the surface coating layer including an adhesion layer and at least one hard coating layer, the adhesion layer being a metal layer including at least W, and being formed to cover a surface of the sintered body of cubic boron nitride, the hard coating layer being formed to coat the adhesion layer, the adhesion layer being configured of an amorphous state and/or ultrafine particles having an average particle size equal to or smaller than 5 nm.

Abstract: An abrasive article including a substrate as an elongated member, a first layer overlying the substrate, abrasive particles overlying the first layer, fillets connecting the first layer and the abrasive particles, a bonding layer overlying the abrasive particles, the first layer and the fillets, and the fillets have a fillet characteristic relative to an abrasive application, the fillet characteristic selected from the group consisting of tacking factor (tfl/tf), a fillet-to-particle factor (tf/dab), a fillet-to-bonding layer factor (tf/tbl), a contact factor (Ab/Af), a fillet size variance (Vf), and a combination thereof.

Abstract: Fibers for diamond-impregnated cutting tools and their associated methods for manufacture and use are described. A matrix is formed that contains fibers made from carbon, glass, ceramic, polymer, and the like. The matrix is then sintered to form a cutting portion of a drill bit. The type and concentration of the fibers can be modified to control the tensile strength and the erosion rate of the matrix to optimize the cutting performance of the tools. Additionally, the fibers may be added to the cutting section to weaken the structure and allow higher modulus binders to be used for the cutting tools at a lower cost, allowing the amount of fibers to be tailored to retain the diamonds in the cutting portion for the desired amount. As the cutting portion erodes, the fibers may also increase the lubricity at the face of the cutting portion.

Abstract: A method of producing a free standing PCD comprises forming a mass of combined diamond particles and precursor compound(s) for the metals of the metallic network by suspending the diamond particles in a liquid, and crystallising and/or precipitating the precursor compounds in the liquid. The mass is then removed from suspension by sedimentation and/or evaporation to form a dry powder of combined diamond particles and precursor compound(s). The powder is subjected to a heat treatment to dissociate and reduce the precursor compound(s) to form metal particles smaller in size than the diamond particles to provide a homogeneous mass. This is then consolidated using isostatic compaction to form a homogeneous cohesive green body of a pre-selected size and 3-dimensional shape.

Abstract: A polycrystalline diamond composite compact element comprises a body of polycrystalline diamond material and a cemented carbide substrate bonded to the body of polycrystalline material. The cemented carbide substrate has tungsten carbide particles bonded together by a binder material comprising an alloy of Co, Ni and Cr. The tungsten carbide particles form between 70 weight percent and 95 weight percent of the substrate. The binder material comprises between about 10 to 50 wt. % Ni, between about 0.1 to 10 wt. % Cr, and the remainder weight percent comprising Co. The size distribution of the tungsten carbide particles in the substrate has fewer than 17 percent of the carbide particles with a grain size of equal to or less than about 0.3 microns, between about 20 to 28 percent of the tungsten carbide particles having a grain size of between about 0.3 to 0.5 microns; between about 42 to 56 percent of the tungsten carbide particles having a grain size of between about 0.

Abstract: The present invention relates to abrasive grains, which are coated with a micro-particle inorganic powder and a binder, consisting of the group of conventional abrasive grains as well as the group of the “superabrasives”, wherein the binder comprises an aluminosilicate with a molar ratio of Al2O3 to SiO2 of 1:2 to 1:20 as well as at least one complex alkaline fluoride. The particular advantage of this coating is that the binder can already be completely hardened at below 400° C. The invention also relates to a method for producing such abrasive grains as well as to the use thereof for producing abrasives.

Abstract: To provide a polishing composition which can satisfy both suppression of the surface topography and a high stock removal rate, in a polishing step in the production of a wiring structure. A polishing composition comprising abrasive grains, a processing accelerator, a nonionic surfactant represented by R-POE (I) (wherein R is a C10-16 alkyl group having a branched structure, and POE is a polyoxyethylene chain) and having an HLB of from 7 to 12, an anionic surfactant, a protective film-forming agent, an oxidizing agent, and water.

Abstract: The present invention relates to an additive for a polishing agent, which is capable of suppressing a decrease in polishing characteristics of a polishing agent to be repeatedly used, particularly a removal rate, by adding the additive to the polishing agent as needed during repeated uses. The invention also relates to a polishing method using a polishing agent to be repeatedly used, which is capable of suppressing a decrease in polishing characteristics of the polishing agent, particularly a removal rate.

Abstract: In one embodiment, a self-renewing cutting tool includes a substrate and a layer bonded to the substrate forming a composite cladding. The layer includes a plurality of pieces of a first material having irregular, non-uniform shapes, the irregular, non-uniform shapes forming cutting edges, and a second material in which the plurality of first pieces are embedded. The second material is bonded to both the plurality of pieces of the first material and the substrate by densification of the plurality of pieces of a first material and a powder of the second material. At least some cutting edges of the first material lie beneath a surface of the second material and are exposable by wear of the second material.

Abstract: A method of making an article of manufacture includes positioning a cemented carbide piece comprising at least 5% of the total volume of the article of manufacture, and, optionally, a non-cemented carbide piece in a void of a mold in predetermined positions to partially fill the void and define an unoccupied space. Inorganic particles are added to the mold to partially fill the unoccupied space and provide a remainder space. The cemented carbide piece, the non-cemented carbide piece if present, and the hard particles are heated and infiltrated with a molten metal or a metal alloy. The melting temperature of the molten metal or the metal alloy is less than the melting temperature of the inorganic particles. The molten metal or metal alloy in the remainder space solidifies and binds the cemented carbide piece, the non-cemented carbide piece if present, and the inorganic particles to form the article of manufacture.

Abstract: A coating for a cutting tool, which includes a plurality of mutually superposed layers, characterized in that the coating has an outer cover layer with a first layer portion of metallic aluminium or an aluminium alloy and a second layer portion arranged thereover of aluminium oxide or a mixed oxide which contains aluminium and at least one further metal.

Abstract: In one aspect, coated cutting tools are described herein which, in some embodiments, can demonstrate improved wear resistance in one or more cutting applications. In some embodiments, a coated cutting tool described herein comprises a substrate and a coating adhered to the substrate, the coating comprising an inner layer deposited by physical vapor deposition and an outer deposited by physical vapor deposition over the inner layer.