Abstract: An exemplary method of processing a polycrystalline diamond element includes positioning the polycrystalline diamond element within a protective leaching cup. The protective leaching cup includes a seal region contacting a portion of a side surface of the polycrystalline diamond element adjacent a cutting face of the polycrystalline diamond element. The protective leaching cup also includes an encapsulating region surrounding a rear face and a portion of the side surface of the polycrystalline diamond element adjacent the rear face. The method includes exposing at least a portion of the polycrystalline diamond element to a leaching agent. A length of a side wall of the protective leaching cup exceeds a length of the side surface of the polycrystalline diamond element.

Abstract: An abrasive article can include a bonded abrasive body having abrasive particles comprising microcrystalline alumina (MCA) contained within a bond material. In an embodiment, the bonded abrasive body has a porosity of at least about 42 vol % of the total volume of the bonded abrasive body. Additionally, in an embodiment, the bonded abrasive body is capable of grinding a workpiece comprising metal at a speed of at least about 60 m/s at a material removal rate of at least about 0.4 in3/min/in (258 mm3/min/mm).

Abstract: An engineered coated abrasive product having a three dimensional pattern of abrasive structures formed by embossing an abrasive slurry formulation that was first surface coated with a functional powder, wherein the abrasive slurry includes green, unfired abrasive aggregates having a generally spheroidal or toroidal shape, the aggregates formed from a composition comprising abrasive grit particles and a nanoparticle binder. The coated abrasive product is capable of finishing and repairing defects in surfaces, including coated surfaces.

Abstract: Catalysts which include nanoparticles of palladium metal and cellulose derivatives are used in electroless metal plating. The palladium catalysts are free of tin.

Abstract: A superabrasive resin product includes a superabrasive grain component, an oxide component, and a continuous phase defining a network of interconnected pores. The oxide component consists of an oxide of a lanthanoid, and the continuous phase includes a thermoplastic polymer component. The superabrasive grain component and the oxide component are distributed in the continuous phase.

Abstract: A process for preparing a halogenated polysilane HpSin?pX(2n+2)?p with n=1 to 50; 0?p?2n+1, and X=F, Cl, Br, I, as an individual compound or a mixture of compounds, from a mixture which includes the halogenated polysilane or in which the halogenated polysilane is formed, additionally includes boron-containing impurities, wherein a) the mixture is admixed with at least 1 ppbw (parts per billion per weight) of a siloxane-forming oxidizing agent or siloxane, the boron-containing impurities forming compounds having a volatility and/or solubility different from the halogenated polysilanes, b) the halogenated polysilane is separated from the compound(s), and c) not more than 1 ppmw of water and not less than 1 ppb of siloxanes are present.

Abstract: An active composition for a decoy which radiates spectrally as the active composition burns, contains an additive which is distributed in the active composition and which increases the ratio of the intensity of radiation emitted during combustion of the active composition in the wavelength range from 3.7 to 5.1 ?m to the intensity of radiation emitted during combustion of the active composition in the wavelength range from 1.9 to 2.3 ?m. The active composition contains a fuel having carbon atoms and hydrogen atoms, and an oxidizer for the fuel, containing oxygen atoms. The amount of the oxidizer being such that it is not sufficient for complete oxidation of the carbon, and the additive being a catalyst present in the form of particles that catalyzes a redox reaction.

Abstract: A smokeless high-energy solid propellant composition, which contains a bismuth-based compound as a combustion improver and exhibits a low pressure exponent, and a method of preparing the same are provided. The propellant composition contains the bismuth-based compound, thus ensuring preparation processability of the propellant, especially pot-life, and thereby a propellant curing system can be changed thus ensuring reliability of the propellant preparation processability, unlike temperature control and curing inhibition catalyst addition methods published to date. This composition advantageously exhibits a low pressure exponent.

Abstract: Herein are disclosed an apparatus and method for reaction injection molding of polyurethane foam. In the method, a recirculation loop containing polyols along with an effective amount of water, and a recirculation loop containing isocyanates, are each partially evacuated.

Abstract: An active composition for a decoy which radiates spectrally as the active composition burns up, including radiation emitted during combustion of the active composition in the wavelength range from 3.7 to 5.1 ?m which is stronger by a factor of at least 15 than radiation emitted during combustion of the active composition in the wavelength range from 1.9 to 2.3 ?m. The active composition contains a nitrate ester and/or one nitrosamine as a fuel having carbon atoms, hydrogen atoms, and ammonium perchlorate as oxidizer. The amount of the ammonium perchlorate is such that it is not sufficient for complete oxidation of the fuel. The active composition contains either the nitrate ester in the form of a polymeric solid, or a binder, not more than 5 carbon atoms in the fuel being joined to one another by direct bonding, and the active composition containing substantially no carbon source containing elemental carbon.

Abstract: Provided is a method for easily manufacturing large volumes of a metallic glass nanowire with an extremely small diameter. This metallic glass nanowire manufacturing method is characterized in that a melted metallic glass or a master alloy thereof is gas-atomized in a supercooled state.

Abstract: A method to leach a component that includes a polycrystalline structure. The method includes obtaining the component having the polycrystalline structure. The polycrystalline structure includes catalyst material deposited therein. The method also includes performing a leaching process on the polycrystalline structure to an intermediate leaching depth. The leaching process removes at least a portion of the catalyst material from the polycrystalline structure and forms one or more by-product materials deposited therein. The method also includes performing a cleaning process on the polycrystalline structure, which removes at least a portion of the by-product materials. The leaching process and the cleaning process are iteratively continued until the intermediate leaching depth reaches a desired leaching depth, both of which are measured from one end of the polycrystalline structure. The desired leaching depth is greater than at least one intermediate leaching depth.

Abstract: Composite compositions and machine and contact tools, for example, metal boring tools and face mills that are manufactured from them. The tools are provided with composite structure to lighten the tools and yet retain the strength and durability of the tool. The novelty resides in the use of additives to certain composites that make up a portion of the tool, especially tool bars.

Abstract: A method for making polycrystalline diamond material comprises providing a plurality of diamond particles or grains, coating the diamond particles or grains with a binder material comprising a non-metallic catalyst material for diamond, consolidating the coated diamond particles or grains to form a green body, and subjecting the green body to a temperature and pressure at which diamond is thermodynamically stable, sintering and forming polycrystalline diamond material.

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: A method of thermally treating high density ammonium nitrate for manufacturing ANFO and heavy ANFO including loading high density ammonium nitrate into a tank; entering the high density ammonium nitrate into heating equipment at room temperature; heating the high density ammonium nitrate inside the heating equipment; removing the treated ammonium nitrate from the heating equipment at a temperature less than 60° C.; and sieving the treated ammonium nitrate, thereby obtaining thermally treated ammonium nitrate; feeding thermally treated ammonium nitrate at a temperature of less than 30° C. into a mixing chamber while injecting fuel into the thermally treated ammonium nitrate feeding pipe, thereby obtaining ANFO; loading gassed or ungassed bulk emulsion into a hopper; feeding the bulk emulsion into the same mixing chamber as the ANFO; and mixing the bulk emulsion and the ANFO, thereby obtaining heavy ANFO.

Abstract: To provide a method for producing an alkali silicate aqueous solution containing a reduced amount of foreign substance of plate-like fine particles and a method for producing a silica sol containing a reduced amount of foreign substance of plate-like fine particles. A method for producing an alkali silicate aqueous solution fulfilling the following condition: the existing amount of plate-like fine particles having a length of one side of 0.2 to 4.0 ?m and a thickness of 1 to 100 nm is determined to be 0 to 30%. The method for producing an alkali silicate aqueous solution includes the steps of adjusting a silica concentration of an alkali silicate aqueous solution to 0.5 to 10.0% by mass and filtering the alkali silicate aqueous solution through a filter having a removal rate of particles with a primary particle size of 1.0 ?m of 50% or more.

Abstract: Methods and compositions for depositing a metal containing film on a substrate are disclosed. A reactor and at least one substrate disposed in the reactor are provided. A metal containing precursor is provided and introduced into the reactor, which is maintained at a temperature of at least 100° C. A metal is deposited on to the substrate through a deposition process to form a thin film on the substrate.

Abstract: An electrocatalyst for the electrochemical conversion of carbon dioxide to hydrocarbons is provided. The electrocatalyst for the electrochemical conversion of carbon dioxide includes copper material supported on carbon nanotubes. The copper material may be pure copper, copper and ruthenium, copper and iron, or copper and palladium supported on the carbon nanotubes. The electrocatalyst is prepared by dissolving copper nitrate trihydrate in deionized water to form a salt solution. Carbon nanotubes are then added to the salt solution to form a suspension, which is then heated. A urea solution is added to the suspension to form the electrocatalyst in solution. The electrocatalyst is then removed from the solution. In addition to dissolving the copper nitrate trihydrate in the deionized water, either iron nitrate monohydrate, ruthenium chloride or palladium chloride may also be dissolved in the deionized water to form the salt solution.

Abstract: An exhaust gas purifying catalyst having a high purifying ability even if noble metal is not used as an essential component, an exhaust gas purifying monolith catalyst, and a method for manufacturing an exhaust gas purifying catalyst, are provided. The exhaust gas purifying catalyst includes an oxide having an oxygen storage and release capacity, and an oxide represented by the following formula (1) supported on the oxide having the oxygen storage and release capacity, LaxM1?xM?O3????(1) (wherein La represents lanthanum, M represents at least one element selected from the group consisting of barium (Ba), strontium (Sr) and calcium (Ca), M? represents at least one element selected from the group consisting of iron (Fe), cobalt (Co), nickel (Ni) and manganese (Mn), ? represents an oxygen deficient amount, and x and ? fulfill conditions represented by 0<x?1 and 0???1, respectively).