Abstract: An RF aperture coldplate for positioning in heat transfer proximity to heat-generating elements of an RF antenna system is presented. The RF aperture coldplate has a front side and a rear side. The RF aperture coldplate includes waveguides each forming an opening therethrough from the front side to the rear side, and passages substantially around the waveguides. The passages are configured to conduct cooling medium around the waveguides and between the front side and the rear side of the RF aperture coldplate.

Abstract: Certain exemplary embodiments can provide a system, machine, device, manufacture, circuit, and/or composition of matter adapted for and/or resulting from, and/or a method for activities that can comprise and/or relate to, a first form comprising: a plurality of surface artifacts that substantially spatially replicate a surface geometry of a stacked foil mold; and a prong that is adapted to form a hole in a cast product.

Abstract: This rotor for kneading includes a rotor shaft (27) having a tubular shape; a blade part (22) that is provided on an outer peripheral surface of the rotor shaft (27); and a filling body (36) that is provided in a recessed part (28) formed inside the blade part (22) and made from a material having a higher thermal conductivity than a material from which the rotor shaft (27) and the blade part (22) are made.

Abstract: The present invention relates to a base material for high temperature alloy and a process for manufacturing the same. The base material includes following components (by weight): 10-45% Cr, 0.5-12% Nb, 0.7-2.5% Ti, ?9.0% Mo, ?8.0% W, ?2% Mn, ?1.0% Si, ?2.0% Al, ?0.5% C, ?0.032% O, ?0.032% N,?0.01% S, ?0.02% P, and balance being Fe and unavoidable impurities. The process for manufacturing the base material for high temperature alloy includes following steps: providing raw materials according to the target composition; charging the raw materials in a crucible uniformly layer and layer according to a certain sequence, smelting in vacuum condition; after the materials being melted completely, holding the melt at a temperature; and casting ingot, and cooling to obtain a base material for high temperature alloy.

Abstract: Systems and methods in accordance with embodiments of the invention implement bulk metallic glass matrix composites in the fabrication of objects. In one embodiment, a method of fabricating an object including a bulk metallic glass matrix composite includes: forming a bulk metallic glass matrix composite composition into the shape of the object to be fabricated; and developing the bulk metallic glass matrix composite composition to include non-equilibrium inclusions that are softer than the surrounding matrix as measured by one of: the shear modulus, the elastic limit, and the hardness; where the bulk metallic glass matrix composite composition is such that the extent of the presence of the inclusions can be made to vary.

Abstract: A casting system and method. The casting system can include an energy source and a hearth, which can have a tapered cavity. The tapered cavity can have a first end portion and a second end portion, and the tapered cavity can narrow between the first and second end portions. Further, the tapered cavity can have an inlet at the first end portion that defines an inlet capacity, and one or more outlets at the second end portion that define an outlet capacity. Where the cavity has a single outlet, the outlet capacity can be less than the inlet capacity. Where the cavity has multiple outlets, the combined outlet capacity can match the inlet capacity. Further, the cross-sectional area of the tapered cavity near the inlet can be similar to the cross-sectional area of the inlet.

Abstract: A method of producing a trailing arm of a torsion beam axle in which an integrated drive unit of a wheel-adjacent electric drive has an electric machine and a transmission. By using the method, the trailing arm is produced in the form of a casting with a box profile. The contours for producing the area that accommodates the transmission, the connection point to the vehicle body, the bore that receives the cross-member which connects the two trailing arms to one another, the U-profile of the trailing arm, the box profile and the area that accommodates the electric machine, are modeled by cores such that the contours for producing the connection point of the trailing arm to the vehicle body, the bore that receives the cross-member and the U-profile of the trailing arm are modeled by one core.

Abstract: Described herein is an implantable medical device and methods for making a device that includes a metal housing a molding process. In one embodiment, the housing includes a header attachment element extends from the housing. In another embodiment, the implantable medical device includes a header attachment surface comprising one or more header retaining features configured to secure a connector header to the header attachment surface. In another embodiment, the housing includes one or more structural elements extending from and integrally molded with the interior surface of the first or second portions of the housing. Also disclosed are methods of making the implantable medical device.

Abstract: An investment casting core includes a mullite-containing core body. The body can be made by providing a mullite-containing powder, forming the powder into a green body, and sintering the green body to form the mullite-containing core body.

Abstract: Provided are an aluminum alloy including an iron-manganese complete solid solution and a method of manufacturing the same. According to an embodiment of the present invention, iron-manganese alloy powder is provided. The iron-manganese alloy powder is introduced into an aluminum melt. An aluminum alloy including an iron-manganese complete solid solution is manufactured by die casting the aluminum melt.

Abstract: A method includes providing a mold including a molten casting material, moving the mold in a first direction, and guiding a solidification interface across the mold in a second direction in response to the moving the mold. The second direction is deviated from the first direction, and the solidification interface includes a transition to a negative heat transfer region. The mold moves in the first direction at a constant speed, and the mold includes heat transfer features such that a solidification time of the molten casting material at the conditions of the solidification interface is approximately constant as a function of the second direction.

Abstract: Disclosed is an aluminum wheel comprising: Al as a major ingredient, Si: about 0˜2 wt % (excluding 0), Fe: about 0˜0.15 wt% (excluding 0), Cu : about 0.5˜1 wt %, Mn: about 0.03˜0.2 wt %, Mg: about 0.8˜1.2 wt %, Cr: about 0.05˜0.35 wt %, Zn: about 0.2˜0.6 wt %, Ti: about 0.01˜0.1 wt %, Sr: about 0.001˜0.05 wt %, P: about 0˜0.001 wt % (excluding 0) and inevitable impurities; and a method for producing the same.

Abstract: A coupling includes at least one coupling segment, each segment including an outer surface, an inner surface, at least two ends, fastener pads protruding proximate to each end, and a parting line extending around each segment, the parting line forming an axially outermost edge along each axial side of each coupling segment, the parting line offset from a top surface of each fastener pad.

Abstract: Described herein is an implantable medical device and methods for making a device that includes a metal housing a molding process. In one embodiment, the housing includes a header attachment element extends from the housing. In another embodiment, the implantable medical device includes a header attachment surface comprising one or more header retaining features configured to secure a connector header to the header attachment surface. In another embodiment, the housing includes one or more structural elements extending from and integrally molded with the interior surface of the first or second portions of the housing. Also disclosed are methods of making the implantable medical device.

Abstract: A composition for welding or brazing aluminum comprises silicon (Si) and magnesium (Mg) along with aluminum in an alloy suitable for use in welding and brazing. The Si content may vary between approximately 4.7 and 10.9 wt %, and the Mg content may vary between approximately 0.15 wt % and 0.50 wt %. The alloy is well suited for operations in which little or no dilution from the base metal affects the Si and/or Mg content of the filler metal. The Si content promotes fluidity and avoids stress concentrations and cracking. The Mg content provides enhanced strength. Resulting joints may have a strength at least equal to that of the base metal with little or no dilution (e.g., draw of Mg). The joints may be both heat treated and artificially aged or naturally aged.

Abstract: A casting method includes coupling a mold to a crucible, the mold having one or more part-defining cavities and one or more feed passageways. A first rotating of the crucible and mold pours molten metal from the crucible through the one or more feed passageways into the one or more part-defining cavities. A second rotating of the crucible and mold returns molten metal from the one or more feed passageways, while leaving the part-defining cavities filled.

Abstract: A refractory coating for producing mold coatings by application to inorganically or organically-bound molding materials in lost molds or to cores for iron and steel casting is disclosed. The refractory coating can have a proportion by weight of 0.001% or more and less than 1% of inorganic hollow bodies, which partially or fully consist of crystalline material and have a softening point of 1000° C. or higher.

Abstract: A titanium based, ceramic reinforced alloy ingot for use in producing medical implants. An ingot is formed from an alloy having comprising from about 5 to about 35 wt. % niobium, from about 0.5 to about 3.5 wt. % A silicon, and from about 61.5 to about 94.5 wt. % of titanium. The alloy has a hexagonal crystal lattice a phase of from about 20 vol % to about 70 vol %, and a cubic body centered 13 crystal lattice phase of from about 30 vol. % to about 80 vol. %. The ingot has an ultimate tensile strength of about 940 MPa or more, and a Young's modulus of about 150 GPa or less. A molten substantially uniform admixture of a niobium, silicon, and titanium alloy is formed, cast into a shape, and cooled into an ingot. The ingot may then be formed into a medical implant and optionally annealed.

Abstract: A method of manufacturing improved thin-film solar cells entirely by sputtering includes a high efficiency back contact/reflecting multi-layer containing at least one barrier layer consisting of a transition metal nitride. A copper indium gallium diselenide (Cu(InXGa1-X)Se2) absorber layer (X ranging from 1 to approximately 0.7) is co-sputtered from specially prepared electrically conductive targets using dual cylindrical rotary magnetron technology. The band gap of the absorber layer can be graded by varying the gallium content, and by replacing the gallium partially or totally with aluminum. Alternately the absorber layer is reactively sputtered from metal alloy targets in the presence of hydrogen selenide gas. RF sputtering is used to deposit a non-cadmium containing window layer of ZnS. The top transparent electrode is reactively sputtered aluminum doped ZnO. A unique modular vacuum roll-to-roll sputtering machine is described.

Abstract: A method of fabricating a decomposition conduit with an in-line static mixer, the method including molding a decomposition conduit housing around a sand core by inserting molding material into a cavity between a decomposition conduit housing mold and the sand core, where the sand core includes a static mixer and, where the act of molding the decomposition conduit housing is operative to mount the static mixer to the molded decomposition conduit housing.

Abstract: A system and method for continuous casting. The system includes a melt chamber, a withdrawal chamber, and a secondary chamber therebetween. The melt chamber can maintain a melting pressure and the withdrawal chamber can attain atmospheric pressure. The secondary chamber can include regions that can be adjusted to different pressures. During continuous casting operations, the first region adjacent to the melt chamber can be adjusted to a pressure that is at least slightly greater than the melting pressure; the pressure in subsequent regions can be sequentially decreased and then sequentially increased. The pressure in the final region can be at least slightly greater than atmospheric pressure. The differential pressures can form a dynamic airlock between the melt chamber and the withdrawal chamber, which can prevent infiltration of the melt chamber by non-inert gas in the atmosphere, and thus can prevent contamination of reactive materials in the melt chamber.

Abstract: Various embodiments provide systems and methods for casting amorphous alloys. Exemplary casting system may include an insertable and rotatable vessel configured in a non-movable induction heating structure for melting amorphous alloys to form molten materials in the vessel. While the molten materials remain heated, the vessel may be rotated to pour the molten materials into a casting device for casting them into articles.

Abstract: Provided are an aluminum alloy improving mechanical characteristics by allowing a magnesium-silicon compound to be distributed in an aluminum matrix without performing a heat treatment, and a production method thereof. In accordance with an aspect of the present disclosure, there is provided a method of producing an aluminum alloy, including: melting a magnesium mother alloy including a magnesium-silicon compound, and aluminum to form a molten metal; and casting the molten metal.

Abstract: An aluminum alloy for a vehicle has the composition including, by weight %, 0.5% or less of Fe, 0.2% or less of Mn, Si, and Cu with the balance being Al and unavoidable impurities, wherein dendrite arm spacing is 45 ?m or less, and a size of an intermetallic compound is 150 ?m or less.

Abstract: An apparatus and method for pressure casting a battery part wherein an extendible piston includes sidewalls for shutting off the supply of molten lead and an impact surface that extends in a side-to-side condition to form an end surface of a battery part cavity so that when the extendible piston is brought into an intensifying condition the extendible piston shuts off further supply of molten metal while a heat source maintains the lead in a molten state as the impact surface of the piston forms a side-to-side mold cavity surface to complete the mold cavity surface thereby eliminating unevenness in the surface of the finished battery part by generating a force with the extendible piston which is sufficient to form a battery part so that upon removal from the mold the batter part is substantially free of tears and cracks as well as surface irregularities.

Abstract: Exemplary embodiments described herein relate to methods and systems for casting metal alloys into articles such as BMG articles. In one embodiment, processes involved for storing, pre-treating, alloying, melting, injecting, molding, etc. can be combined as desired and conducted in different chambers. During these processes, each chamber can be independently, separately controlled to have desired chamber environment, e.g., under vacuum, in an inert gas environment, or open to the surrounding environment. Due to the flexible, independent control of each chamber, the casting cycle time can be reduced and the production throughput can be increased. Contaminations of the molten materials and thus the final products are reduced or eliminated.

Abstract: Disclosed is a vessel for melting and casting meltable materials. The vessel may be a surface temperature regulated vessel for providing a substantially non-wetting interface with the molten materials. In one embodiment, the vessel may include one or more temperature regulating channels configured to flow a fluid therein for regulating a surface temperature of the vessel such that molten materials are substantially non-wetting at the interface with the vessel. Disclosed also includes systems and methods for melting and casting meltable materials using the vessel.

Abstract: A high speed tool steel containing, by mass percent, 0.5-1.5% of C; 1.0% or less of Si; 1.0% or less of Mn; 3.0-5.0% of Cr; 15.0-25.0% of one or two kinds of W and Mo according to a formula (W+2Mo); 1.0-less than 1.5% of V; 5.0-10.0% of Co; and a remainder including Fe and impurities, the high speed tool steel further containing 0.0005-0.004% of Ca and 0.005-0.015% of N. Also, a material for a blade edge that is made of the high speed tool steel and a cutting tool made by welding the material for the blade edge to a body material. Further, a manufacturing method of the material for the blade edge.

Abstract: The rear lift gate swing arm ventilation assembly is for most vehicles, domestic or foreign, equipped with rear swing out window in the rear lift gate. The assembly provides improved air circulation by allowing the rear window open at a pre-set width. The swing arm acts as an extended strike loop when attached to the factory rear window loop. The assembly comprises of a “U” shaped round metal rod and a rectangle shaped metal base. The free ends of the “U” shaped rod provide a rectangle flange with bores for bolts to pass through. The metal base comprises of two rectangle metal blocks, one block with two bores with internal threads in both ends; both blocks provide a central vertical bore with internal threads. The metal base provide two bores along the longitudinal axis, to dimension as set in factory strike loop. The brackets wrap over the factory window's strike loop and secure by the central vertical bolt.

Abstract: The present invention relates to a desulfurizing agent of improved oxidation resistance, ignition resistance and productivity, and a method for manufacturing the desulfurizing agent. The desulfurizing agent may include a plurality of magnesium-aluminum alloy grains with grain boundaries, and a compound of one selected from consisting of magnesium and aluminum and one selected from consisting of alkaline metal and alkaline earth metal, the compound exists in the grain boundaries and is not inside but outside of the magnesium-aluminum alloy grains.

Abstract: An aluminum casting alloy contains Si: 3.0 wt.-% to 3.8 wt.-% Mg: 0.3 wt.-% to 0.6 wt.-% Cr: 0.25 wt.-% to 0.35 wt.-% Fe: <0.18 wt.-% Mn: <0.06 wt.-% Ti: <0.16 wt.-% Cu: <0.006 wt.-% Sr: 0.010 wt.-% to 0.030 wt.-% Zr: <0.006 wt.-% Zn: <0.006 wt.-% Contaminants: <0.1 wt.-%, and is supplemented to 100 wt.-%, in each instance, with Al.

Abstract: A surface-treated mold that includes a mold, a metal layer that is provided on a surface of the mold and contains at least one metal selected from nickel, chromium, tungsten and brass, and a carbon film that is provided on a surface of the metal layer, wherein the metal layer contains carbon, and the carbon concentration in the metal layer is higher between the boundary with the carbon film and the center of the metal layer than that between the boundary with the mold and the center of the metal layer.

Abstract: Disclosed is a brazing alloy composition. The composition comprises, by weight, about 94% copper, about 4% zinc, and about 2% iron. Further disclosed is a brazing process utilizing the brazing alloy, a method for the brazing alloy's preparation and a work piece having members joined by the brazing alloy providing stronger bonding as demonstrated by braze joints having increased shear strength.

Abstract: There is provided a machine for forming metal bars particularly suitable for melting and the subsequent continuous solidification of precious metal such as gold, silver, precious alloys, as well as other pure metals or different alloys, in the form of powder, grits or swarf of various sizes, for producing ingots having weights varying from 50 g to 50 kg. The machine having six operating stations arranged in succession.

Abstract: A mold includes: a base; and a contact surface which is provided on the base and which comes into contact with a molten material. The contact surface is provided with a first surface portion that includes a first fiber layer in which first carbon fibers are raised, and a second surface portion having different surface characteristics from the first surface portion.

Abstract: An apparatus and method for molding a freight car yoke with a one piece core is disclosed herein. An exemplary one piece core may be used with a core mold upper half and a core mold lower half mated at a common split line to define a mold cavity which replicates the molded exterior features of a freight car yoke. The one piece core may replicate all of the molded internal features of a freight car yoke. An apparatus may use a pair of one piece cores to produce a pair of freight car yokes. An exemplary method can utilize the apparatus to produce a pair of freight car yokes through a single pour, using a pair of one piece cores. In an exemplary embodiment the one piece cores are constructed from a cold box with phenolic urethane treated molding sand.

Abstract: A spheroidal graphite cast iron alloy comprises, in % by weight, in addition to addition elements, the following elements: Ni between 3.5% and 7%, Cu between 0.5% and 3%, Mo between 0.15% and 1%, the remainder being iron and inevitable impurities. The spheroidal graphite cast iron alloy may be used in manufacturing a part such as cogwheels and gear rims. The method of manufacturing the part may comprise casting a rough casting blank, notably into a mold, and letting the rough casting blank cool in the mold, thus obtaining the part.

Abstract: An aluminum alloy that can be cast into structural components wherein the alloy has reduced casting porosity, improved combination of mechanical properties including tensile strength, fatigue, ductility in the cast condition and in the heat treated condition.

Abstract: What is disclosed are medical devices comprising a rounded, thin-walled, expandable metal structure (“ballstent”) and a flexible, elongated delivery device (“delivery catheter”) and systems and methods of use for treating saccular vascular aneurysms with the medical devices. Ballstents comprised of gold, platinum, or silver that can be compressed, positioned in the lumen of an aneurysm, and expanded to conform to the shape of the aneurysm are disclosed. The external surface of ballstents can be configured to promote local thrombosis and to promote the growth of tissue into and around the wall of the ballstent in order to seal the aneurysm and fix the ballstent in place in the aneurysm. The wall of the ballstent can also be configured to release drugs or pharmacologically active molecules, such as those that promote thrombosis, cell proliferation, extracellular matrix deposition, and tissue growth.

Abstract: Titanium sterling silver alloy compositions that exhibit enhanced tarnish resistance while maintaining an acceptable hardness. Applications and manufacturing methods thereof are disclosed.

Abstract: A high rigidity, high damping capacity cast iron, which is a cast iron containing 3 to 7% of Al, and produced by heating at 280 to 630° C. after casting, and then cooling.

Abstract: Embodiments relates to a fastener having a head portion and an interlock portion comprising a bulk solidifying amorphous alloy comprising a metal alloy. The fastener could further have a screw portion. Other embodiments relate to methods of making and using the fasteners.

Abstract: Removable nozzle tips, spray head assemblies including the nozzle tips and liquid spray guns that include the nozzle tips are described herein. The removable nozzle tips provide and define both the liquid nozzle openings and the center air outlets for the center air of the liquid spray guns and the spray head assemblies. The nozzle tips are removably attached over a liquid nozzle port formed in the spray head assembly and/or on the spray gun platform or body using any suitable attachment mechanism. The removable nozzle tips can be removed from the liquid spray gun or the spray head assembly without disturbing the remainder of the spray gun or the spray head assembly.

Abstract: An aluminum alloy casting having high electric resistance, high toughness and high corrosion resistance and optimally usable in manufacturing of electric motor housings, and a method of manufacturing said aluminum alloy casting are provided. The aluminum alloy casting has a composition including Si: 11.0-13.0 mass %, Fe: 0.2-1.0 mass %, Mn: 0.2-2.2 mass %, Mg: 0.7-1.3 mass %, Cr: 0.5-1.3 mass % and Ti: 0.1-0.5 mass %, with the balance consisting of Al and unavoidable impurities, wherein the content of Cu as an unavoidable impurity is limited to 0.2 mass % or less. In some cases, heat treatments such as solution heat treatment or artificial aging hardening treatment are performed after casting.

Abstract: A heat sink includes a base and a heat exchange element coupled to the base. The heat exchange element includes a foam structure that is coupled to the base.

Abstract: A surgical implant component comprising an implant component body manufactured from an alloy comprising from about 23 to about 33 wt % Cr, from about 8 to about 20 wt % Mo, from about 0.05 to about 1.5 wt % Si, from about 0.35 to about 3.5 wt % C, from about 40 to about 60 wt % Co, and incidental impurities. The implant component alloy has an atomic % ratio of (Cr+Mo+Nb)/Co of at least 0.59, a matrix metallurgical microstructure comprising between about 45% and about 85% by volume face-centered cubic structure, and between about 15% and about 55% by volume hexagonal close-packed structure; and a Rockwell C hardness of greater than 35. A method for manufacturing a surgical implant component body for a surgical implant by a manufacturing method selected from the group consisting of casting, forging, and powder metallurgy pressing-plus-sintering from an alloy.

Abstract: An article is formed of a metal alloy that includes the following constituents: (a) cobalt in an amount of between about 50.0% to about 51.0% by weight of the article; (b) tungsten in an amount of between about 21.0% to about 22.0% by weight of the article; (c) chromium in an amount of about 22.0% by weight of the article; (d) nickel in an amount of between about 2.5% to about 3.0% by weight; and (e) molybdenum in an amount of about 5.0% by weight. The article can be in the form of a jewelry article, such as a ring, a bracelet, a necklace, or an earring and can be formed by a shell casting process.

Abstract: The teachings provide a fill tube assembly for a casting mold and methods of using the assembly. The fill tube assembly includes a fill tube having a tubular member with a receiving end, a mold-engaging end and an intermediate portion. The mold-engaging end has a tapered flange radially extending therefrom, the remainder of the tubular member has a substantially, uniform cross-section. A clamping assembly is structured to maintain a substantially leakproof seal at the fill tube, casting mold interface while accommodating dimensional variations. The clamping assembly includes a gasket, a load ring, a clamping plate and a pre-load gap between the clamping plate and the casting mold and optionally includes a dimensional compensating ring. When tightened, the clamping plate biases the load ring against the flange thereby distributing a uniform load against the casting mold, compressing the gasket therebetween while narrowing the pre-load gap to accommodate dimensional variations.

Abstract: A railroad coupler assembly having at least a body and a knuckle both formed in a no-bake manufacturing process, the body and the knuckle having dimensional tolerances of distances between features that wear during operation that are about half those obtained from a body and a knuckle manufactured by a green sand process, resulting in increased fatigue life compared to the body and the knuckle manufactured by a green sand process. The body and the knuckle resulting from the no-bake manufacturing process have no observable laps, scabs, chaplets or welding in critical areas of the body and knuckle, which are reflected in surface conditions matching SCRATA (Steel Castings Research and Trade Association) values of: D1 (laps); E1 (scabs); F1 (chaplets); and J1 (welds).

Abstract: A method produces a casting, in particular a housing of a turbocharger. Wherein at least one mold part for forming the casting has a respective parting plane which is arranged at a predetermined angle with respect to the longitudinal axis of the casting, and wherein at least one core element is provided.