Abstract: Cutting elements include a substrate, a thermally stable polycrystalline table comprising a superhard material secured to the substrate, and a layer of metal interposed between, and attaching the substrate and the thermally stable polycrystalline table. Methods of forming a cutting element include providing a thermally stable polycrystalline table in a mold, providing a layer of metal on the thermally stable polycrystalline table, distributing a mixture of particles comprising a plurality of hard particles and a plurality of particles comprising a matrix material on the layer of metal, and heating the mold while applying pressure to the mixture of particles to cause the mixture of particles to coalesce and form a substrate and at least partially melt the layer of metal to flow and wet the thermally stable polycrystalline table and the substrate to form an attachment therebetween.

Abstract: A method for treating a polycrystalline diamond material includes subjecting the polycrystalline diamond material to a leaching process and to a thermal decomposition process.

Abstract: One embodiment provides an article, comprising: an inner container having a cavity, the inner container comprising a ceramic; and an outer container, the outer container comprising a susceptor; wherein at least a portion of an outer surface of the inner container is in contact with an inner surface of the outer container, and wherein the inner container is removable from the mold. Methods of melting using the present article are also provided.

Abstract: A bonded abrasive article suitable for processing hard materials such as sapphire. In an embodiment, an abrasive article includes a bonded abrasive body including a bond material comprising a metal, abrasive particles contained within the bond material having an average particle size of not greater than about 20 ?m, and a pore size standard deviation of not greater than about 16 ?m. An abrasive article can also include a bonded abrasive body having a bond material comprising metal, abrasive particles contained within the bond material having an average particle size of not greater than about 20 ?m, and an average pore size of not greater than about 110 ?m.

Abstract: Provided is martensitic steel which is used in structures such as buildings and bridges, and automotive underbody, and mechanical parts such as gears and is more suitably used for steel products such as thick steel sheets, shape steel, a deformed steel bar, steel bars, or steel wires. The martensitic steel has a microstructure of a martensite structure containing a chemical composition, by mass %, of Si: 1.0 to 3.5%, Mn: 4.5 to 5.5%, Al: 0.001 to 0.080%, Nb: 0.045% or less, and C having an amount in which the following regression equation (1) is satisfied and the maximum stress (TS) becomes 1800 to 2160 MPa, a balance being Fe and inevitable impurities of: P: 0.030% or less, S: 0.020% or less, and N: 0.010% or less, the martensitic steel having total elongation of 13 to 15%. TS(maximum stress) [MPa]=4000×C[mass %]+1050??(1).

Abstract: The invention relates to a method for producing a binder foam for producing asphalt. In a pressurized stream of heated binder a liquid, which has a lower evaporation temperature under atmospheric pressure than the temperature of the heated binder stream is injected at an angle (?) of greater than 90° relative to the flow direction (S) of the binder stream such that a pressurized mixture stream of the binder with drops of liquid distributed therein or with drops of liquid distributed therein and vapor bubbles resulting from said drops is provided downstream of the injection point (D). The pressure of said mixture stream is then decreased whereby the binder is foamed as a result of an evaporation of the drops of liquid contained in the binder and/or as a result of the expansion of the vapor bubbles resulting from the drops of liquid.

Abstract: A sulfur-extended plastomer asphalt binder composition useful for water proofing, damp proofing and roofing applications includes elemental sulfur, a plastomer and an asphalt binder. The sulfur-extended plastomer asphalt binder composition can be applied to the surface of a protected member such that the sulfur-extended plastomer asphalt binder composition contacts, adheres to and forms a layer upon the surface of the protected member. The asphalt binder composition is applied at a temperature no greater than 150° C.

Abstract: Provided is a sintered bearing that is capable of reducing cost through reduction in usage amount of copper, excellent in initial running-in characteristics and quietness, and is high in durability. Raw material powders including iron powder, flat copper powder, low-melting point metal powder, and graphite are loaded into a mold, and a green compact is formed under a state in which the flat copper powder is caused to adhere onto a molding surface. Subsequently, sintering is carried out without causing iron in the green compact to react with carbon so that an iron structure is formed of a ferrite phase. In this manner, a sintered bearing (1) including a base part (S2) including copper at a uniform content, and a surface layer (S1) covering a surface of the base part (S2) and including copper at a larger content than the base part (S2) can be obtained.

Abstract: A method of forming a cutting element may include subjecting a first press containing at least a diamond powder-containing container and a volume of a high melting temperature non-reactive material to a first high pressure high temperature sintering condition to form a sintered polycrystalline diamond wafer including a diamond matrix of diamond grains bonded together and a plurality of interstitial spaces between the bonded together diamond grains; and subjecting a second press containing the sintered polycrystalline diamond wafer and a substrate to a second high temperature high pressure condition, thereby attaching the wafer to the substrate to form a cutting element having a polycrystalline diamond layer on the substrate.

Abstract: The disclosed invention is a method for using collagen extracted from animal bones, hides, and flesh waste as a protein-based glue (Bone Glue) to create asphalt with a modified asphalt binder. The method comprises of mixing Bone Glue with water, adding it to an asphalt binder, evaporating the water, adding the modified binder to aggregate and mixing at an elevated temperature. The modified asphalt binder consists of a predetermined amount of Bone Glue and asphalt binder.

Abstract: The composite of the present invention includes zeolite having a metal hydroxide supported thereon, and thus it can release moisture inside the zeolite effectively. Therefore, the warm-mix asphalt additive including the composite is not only economical but also able to lower with ease the temperatures required for mixing and compacting an asphalt mixture. Also, the asphalt mixture including the above-described warm-mix additive has a benefit of an improved adhesive strength, which leads to an excellent resistance to plastic deformation.

Abstract: A unique sequence of steps is provided to reduce contaminants along one or more surfaces and faces of gold evaporative sources without deleteriously impacting the structure of the gold evaporative sources. Edges are deburred; contaminants are successfully removed therealong; and surface smoothness is substantially retained. The resultant gold evaporative source is suitable for use in evaporative processes as a precursor to gold film deposition without the occurrence or a substantial reduction in the likelihood of spitting by virtue of significantly reduced levels of contaminants, in comparison to gold evaporative sources subject to a standard cleaning protocol.

Abstract: An Al—Mg—Si-based aluminum alloy includes 0.015 to 0.12 mass % of Sr, the aluminum alloy producing a cast metal structure in which Mg2Si is crystallized in a fine agglomerate form.

Abstract: A composition includes a metal alloy matrix comprising iron and a plurality of nanoparticles dispersed within the metal alloy matrix. Each nanoparticle of the plurality comprises an oxide of a rare-earth metal and at least one metal selected from the group consisting of tantalum, niobium, vanadium, and titanium. Some compositions include a metal alloy matrix comprising iron and a plurality of nanoparticles comprising at least two different oxides of rare-earth metals dispersed within the metal alloy matrix. Some methods include mixing an oxide of a rare-earth metal with a first metal and a second metal. Other methods include mixing a plurality of particles comprising at least one oxide of a rare-earth metal with a molten metal comprising iron. Each particle of the plurality may exhibit a density between about 6.9 g/cm3 and about 9.0 g/cm3.

Abstract: Methods and systems for producing warm foam mix asphalt are disclosed. In some embodiments, the methods include the following: injecting an ethanol additive into asphalt binder having a temperature below the auto ignition point of ethanol to form a foamed asphalt stream; adding the foamed asphalt stream to a mixing zone; adding at least one of aggregate and reclaimed asphalt pavement to the mixing zone; adding a foaming agent to the mixing chamber; heating at least one of the mixing zone and the at least one of aggregate and reclaimed asphalt pavement; mixing the foamed asphalt stream and the at least one of aggregate and reclaimed asphalt pavement to form a warm foam mix asphalt; collecting emissions from the mixing zone, the emissions including ethanol vapors; and recycling the emissions to the mixing zone.

Abstract: Methods are provided for making asphalt mix composition from mixtures of binder, aggregate, and tailings derived from a solvent froth treatment performed to recover bitumen from mined oil sands. The tailings derived from the solvent froth treatment can be used to replace at least a portion of the small particles in the aggregate used for forming the asphalt mix composition.

Abstract: Methods are provided for predicting the properties of an asphalt fraction that contains two or more asphalt components based on measurements of the viscosity versus temperature profile for the components of the asphalt fraction. The viscosity versus temperature profile for each component can be used to determine characteristic (such as limiting) values for the viscosity and temperature for a component. Based on this ability to determine characteristic values for an asphalt blend based on the properties of individual blend components, appropriate blends of asphalts can be selected in order to arrive at an asphalt blend with desired properties.

Abstract: A method includes: providing a mold having a plurality of mold cavities, wherein each mold cavity is bounded by a plurality of faces joined along common edges; filling at least some of the mold cavities with a sol-gel composition that includes a release agent dispersed therein; at least partially drying the sol-gel composition thereby forming shaped ceramic precursor particles; calcining at least a portion of the shaped ceramic precursor particles to provide calcined shaped ceramic precursor particles; and sintering at least a portion of the calcined shaped ceramic precursor particles to provide ceramic shaped abrasive particles. A sol-gel composition, shaped ceramic precursor particles, and ceramic shaped abrasive particles associated with practice of the method are also disclosed.

Abstract: The present application discloses an asphalt binder additive composition comprising a carrier matrix and an agent selected from the group consisting of a curing agent and a masked curing agent. Also described are methods for improving or enhancing the paving or re-paving of asphalt mixture to road surfaces comprising combining the disclosed asphalt binder additive composition with an asphalt binder.

Abstract: Disclosed is a TiAl alloy for high-temperature applications which comprises not more than 43 at. % of Al, from 3 at. % to 8 at. % of Nb, from 0.2 at. % to 3 at. % of Mo and/or Mn, from 0.05 at. % to 0.5 at. % of B, from 0.1 at. % to 0.5 at. % of C, from 0.1 at. % to 0.5 at. % of Si and Ti as balance. Also disclosed is a process for producing a component made of this TiAl alloy and the use of corresponding TiAl alloys in components of flow machines at operating temperatures up to 850° C.