Abstract: The invention relates to a spike arrangement that comprises a holding element (12) introducible into an embedding opening of a running surface (10), in particular of a tire, which element forms a receptacle (14) for an anti-skid stud (16) projecting from the running surface (10) of the tire. According to the present invention, the holding element (12) is made at least in part of magnesium or a magnesium alloy. A method for manufacturing a spike arrangement of this kind is furthermore indicated.

Abstract: A method of treating a porous work piece includes infiltrating a liquid metallic alloy into surface porosity of a work piece and isothermally solidifying the liquid metallic alloy to at least partially fill the surface porosity.

Abstract: A method and a device for manufacturing a cover including multiple metal layers are provided. The method includes: injecting a second metal in liquid form which is a metal different from a first metal layer onto a semi-finished cover disposed in a mold and formed of the first metal layer, so as to form a second metal layer on the first metal layer; and pressing the second metal layer with a pressure in the mold. Not only does the multi-layer metal cover manufactured according to the method have the strength and elasticity of a composite metal, but also subsequent surface treatment may be performed on the metal cover as required, such as anodizing surface treatment, and corrosion resistant treatment, to further improve the adhesiveness between metal layers, the strength and the corrosion resistance, and make the design of the cover more flexible.

Abstract: The invention relates to a cage rotor for an asynchronous machine (1) comprising starting bars for improving the starting behavior. The invention further relates to a method for producing such a cage rotor. In order to achieve as great an efficiency as possible, the cage rotor comprises a laminated rotor core (2) having grooves (3) and operating bars (5; 6; 7; 8; 15) disposed in the grooves (3) and contacting the laminated rotor core (2) directly on the inner groove base as seen in the radial direction of the cage rotor, wherein the operating bars (5; 6; 7; 8; 15) comprise partial cladding (9; 10; 11) enclosing an outer surface of the operating bars (5; 6; 7; 8; 15) as seen in the radial direction (12) of the cage rotor, wherein the material of the operating bars (5; 6; 7; 8; 15) comprises a greater specific conductivity than the material of the partial cladding (9; 10; 11).

Abstract: The present invention relates to a method and apparatus for producing rotatable sputtering targets by means of continuous casting. Target material is deposited around a cylindrical target holder (14) by means of a movable mould (30) surrounding the target holder. The mould (30) is fed with molten metal while it is translated along the target holder to progressively form the layer of molten metal on the outer surface of the target holder.

Abstract: A porous structure used to form a casted component. The casted component may include a visible design feature formed in part by the casted component and in part by a body material also forming other parts of the component. The casted component may be a brake rotor having a mixed-material composite formed in part by the casted component and in part by a body material also forming other parts of the rotor. The porous structure can include a ceramic foam or a metal mesh.

Abstract: A piston with a cast bi-metallic dome feature and a method of making the piston. In one form, the piston is for use in a diesel engine, while in another, the piston is for use in a gasoline engine. The dome feature may include a laminate of a relatively high-temperature material (such as stainless steel) and a relatively low temperature material (such as aluminum or aluminum alloys) such that the portion of the dome made from the relatively high-temperature material is directly exposed to combustion within a cylinder into which the piston is placed. In another form, an aluminum coated stainless steel layer is used to form the dome. In one form, an ablation casting process may be used to manufacture the dome.

Abstract: A method of making a casting is disclosed. At least one support member has at least one first portion and a plurality of second portions connected to a mold core. The mold core is positioned at least in part in a sealed interior volume of a negative mold. The first portion is positioned outside the interior volume. The second portions are positioned at least in part inside the interior volume. A consumable pattern material is introduced into the negative mold to create a consumable pattern. The support member is disposed at least in part outside the consumable pattern. The consumable pattern is removed from the negative mold. A shell is formed around the consumable pattern. A casting material is introduced into an interior of the shell to create a final casting. The support member is disposed at least in part outside the final casting. A mold core is also described.

Abstract: A method including: placing a first insert and a second insert in a casting mold and wherein the first insert and second insert including a plurality of connecting posts extending in between so that the first insert and second insert are in spaced-apart relationship in the mold, each of the first insert and the second insert including a first material; casting a molten second material into the casting mold so that the second material flows between the first insert the second insert and solidifying the second material.

Abstract: An electrical structure having a foam housing is set forth. The foam housing includes an interior surface forming a conductive cavity adapted to carry energized waveforms therethrough. An electrical component of the electrical structure is integrally formed with the interior surface as the foam housing of the structure is assembled.

Abstract: Nano-composite structures are formed by pre-loading carbon nanotubes (CNTs) into at least one of a plurality of channels running the length of a cartridge, placing the pre-loaded cartridge in a piston chamber of a die-casting machine, creating a vacuum therein, and filing the piston chamber with molten metal to soak the pre-loaded cartridge and fill empty cartridge channels. Pressure is applied via the piston to eject the carbon nanotubes and molten metal from the cartridge channels and inject the nano-composite mixture into a rod-shaped die cavity. The internal diameter of the cavity is equal to or less than the final diameter of the nozzle. The nano-composite mixture is cooled to form a solid nano-composite rod having the first predetermined diameter, wherein the carbon nanotubes are aligned in a non-random manner. Furthermore, drawing down the nano-composite rod to smaller diameter wire further disperses the nanotubes along the length of the wire.

Abstract: A battery part such as a battery terminal and method of making the same with the battery part having a sealing region or sealing bead located on a lateral face of the acid ring with the beveled sealing region increasing the resistance to leakage therepast as the container shrinks. Another embodiment of the invention comprises a battery part with a bifurcated acid ring end and a beveled end face. The invention further includes the method of forming a battery terminal with an end face of the acid ring having a bifurcated end lip and a beveled face that permits one to either use the battery terminal in an as is condition or in a flared condition wherein a lip on the acid ring is flared to form a beveled sealing region on the lateral face of the acid ring.

Abstract: Medical devices, such as stents, and methods of the devices are described.

Abstract: Wearing element with enhanced wear resistance related to wearing elements, such as cast steel teeth to be specially used in machinery for earth-moving, ground-engaging and/or rock-cutting applications, as well as to inserts to be included within the wearing elements, to enhance their wear resistance thus prolonging their service life

Abstract: The present invention is directed to composite metal foams comprising hollow metallic spheres and a solid metal matrix. The composite metal foams show high strength, particularly in comparison to previous metal foams, while maintaining a favorable strength to density ratio. The composite metal foams can be prepared by various techniques, such as powder metallurgy and casting.

Abstract: Exemplary embodiments provide a progressive cavity pump or motor including a stator having a longitudinal bore and a rotor rotatably disposed within the longitudinal bore of the stator. The rotor includes a rotor core and a resilient outer layer formed of a resilient material bonded onto the outer surface of the rotor core. The resilient outer layer sealably connects the helical configurations on the outer surfaces of the rotor and the stator as the rotor rotates within the longitudinal bore of the stator.

Abstract: A method of forming a coated article is disclosed. The method involves heating a magnesium alloy component, positioning the component in a mold such that a gap exists between component outer surfaces and mold inner surfaces, and heating a magnesium-containing alloy material above its melting temperature, which is lower than that of the component. The material is formed from magnesium alloyed with i) the component element, but at a higher concentration, ii) at least one element that is different than the component element, or iii) the component element and at least one other element. The method further includes introducing the material into the gap, thereby covering at least the outer surfaces of the component, and cooling the material to form a substantially evenly distributed solidified coating on the outer surfaces of the component. The coating has a higher wear and/or corrosion resistance than that of the magnesium alloy component.

Abstract: A method produces a cast component of an internal combustion engine with a cast-in pipe. Expendable molds and a permanent pattern, or permanent molds are used in the method. A solid core mold is mounted in a split outer mold. To solve the problem of the pipe changing its position during the casting of the component, a separate pipe holder is integrated into the outer mold or the core mold. The pipe is inserted into a retaining section of the pipe holder that is configured in such a manner that it locally surrounds the outer circumference of the pipe at least in part and with little play so that the pipe can expand in the axial direction during casting but is secured against displacements in radial directions caused by buoyancy forces of the liquid casting material. Subsequently the component is cast.

Abstract: A metal article containing at least 10% interconnected porosity is produced by using a preform. To make the preform, an organic binder, a wetting agent and a granular material are mixed to obtain a mouldable paste that combines 10 vol. pct. or more of the granular material, this material dissolving easily in a liquid solvent. The paste is shaped into an aerated preform, thus creating an open pore space to be infiltrated by the metal or alloy. The wetting agent is evaporated and the preform is baked to a temperature sufficient to degrade the binder and create a network of interconnected open porosity in the preform. Then, the open pore space is filled with the liquid metal or alloy. All or part of the baked preform can be easily leached by a liquid solvent through the network of fine pores.

Abstract: A steering knuckle for a vehicle includes a metal body having a first portion defining a bore therethrough and a second portion extending longitudinally from said first portion. The steering knuckle also includes a ceramic insert disposed with the first portion and the second portion and surrounding the bore. A method of forming the steering knuckle includes disposing the ceramic insert within a cavity of a mold, sufficiently filling the cavity with a molten metal to contact and envelop the ceramic insert with the molten metal, and solidifying the molten metal so as to surround the ceramic insert with the metal body to thereby form the steering knuckle.

Abstract: An assembly of like two rib cores enclosing a splitter core are used to carry two or four sound damping inserts for sand mold casting of a pair of vented and damped brake rotors. Sand mold bodies are configured to define outboard surfaces of hub and rotor surfaces of the cast brake rotors. The three-piece core assembly is shaped to define the complex inner surfaces in casting of vented rotor bodies carrying one or two annular sound damping inserts.

Abstract: In one embodiment, a tool for forming an article in a molding operation has a tool body formed from a non-particulate material, with a particulate material bonded to the body. The body provides a forming surface for forming the article. The particulate material, or the particulate material and the tool body collectively provide a duct for conveying a fluid for transfer of heat with the forming surface. In another embodiment, the tool has a tool body formed from a non-particulate material with a cavity and the particulate material is disposed within the cavity. A heat transfer material is disposed in the cavity bonding the particulate material to the tool body. Methods for manufacturing such tools are also disclosed.

Abstract: A method of making a frictionally damped part including providing a frictional damping insert including downwardly extending support legs stamped out of a body portion of the insert.

Abstract: Earth-boring tools for drilling subterranean formations include a particle-matrix composite material comprising a plurality of silicon carbide particles dispersed throughout a matrix material, such as, for example, an aluminum or aluminum-based alloy. In some embodiments, the silicon carbide particles comprise an ABC-SiC material. Methods of manufacturing such tools include providing a plurality of silicon carbide particles within a matrix material. Optionally, the silicon carbide particles may comprise ABC-SiC material, and the ABC-SiC material may be toughened to increase a fracture toughness exhibited by the ABC-SiC material. In some methods, at least one of an infiltration process and a powder compaction and consolidation process may be employed.

Abstract: Bi-casting a platform (50) onto an end portion (42) of a turbine airfoil (31) after forming a coating of a fugitive material (56) on the end portion. After bi-casting the platform, the coating is dissolved and removed to relieve differential thermal shrinkage stress between the airfoil and platform. The thickness of the coating is varied around the end portion in proportion to varying amounts of local differential process shrinkage. The coating may be sprayed (76A, 76B) onto the end portion in opposite directions parallel to a chord line (41) of the airfoil or parallel to a mid-platform length (80) of the platform to form respective layers tapering in thickness from the leading (32) and trailing (34) edges along the suction side (36) of the airfoil.

Abstract: In a cylinder block manufacturing method, first and second dies and a liner support are provided to form a liner overcast configuration. The first and second dies are positioned with respect to the liner support and a dummy cylinder liner made of an aluminum alloy such that the first die contacts a pressing section of a first axial end of the liner support and a first axially facing end of the dummy cylinder liner, and the second die contacts a second axial end of the liner support and a second axially facing end of the dummy cylinder liner. The first and second dies are preheated to a prescribed temperature with the dummy cylinder liner positioned on the liner support by injecting molten aluminum alloy into a cylinder block molding cavity to form a dummy cylinder block with the dummy cylinder liner casted in the dummy cylinder block.

Abstract: A metal fitting finding particular application as a corner fitting for an ISO freight container. The corner fitting is preferably cuboidal and comprises walls formed from a first material that define an internal cavity. At least one support member is encapsulated within the walls and is formed from a different material to that of the walls and comprises a greater yield strength. A reinforced corner fitting is therefore provided comprising enhanced load bearing capacity.

Abstract: Methods of forming at least a portion of an earth-boring tool include providing at least one insert in a mold cavity, providing particulate matter in the mold cavity, melting a metal and the hard material to form a molten composition, and casting the molten composition. Other methods include coating at least one surface of a mold cavity with a coating material having a composition differing from a composition of the mold, melting a metal and a hard material to form a molten composition, and casting the molten composition. Articles comprising at least a portion of an earth-boring tool include at least one insert and a solidified eutectic or near-eutectic composition including a metal phase and a hard material phase. Other articles include a solidified eutectic or near-eutectic composition including a metal phase and a hard material phase and a coating material in contact with the solidified eutectic or near-eutectic composition.

Abstract: A precision alloy for die-casting contains aluminum, silicon and zinc, wherein on the basis of the overall mass, the content of aluminum is 40% by mass or more and 45% by mass or less, and the content of silicon is 2% by mass or more and 8% by mass or less. Also other solving means will be described.

Abstract: An apparatus and method for manufacturing a down hole tool that reduces manufacturing costs and enhances the tool's performance. A belted mold assembly includes a casting assembly, a belt assembly, and a mid-belt. The belted mold assembly is used to fabricate a casting that allows for a larger diameter blank to be used which displaces the more expensive casting material and for using a smaller outer diameter thin-walled mold. The casting assembly is disposed within the belt assembly and the mid-belt is loaded in the volume created between the casting assembly's outer surface and the belt assembly's inner surface. The mid-belt provides a bracing for the casting assembly during the casting process. Optionally, a cap can be disposed on top of the blank for preventing metallurgical bonds from forming between the binder material and the upper portion of the blank. This allows for the excess binder material to remain high in purity so that it can be reprocessed.

Abstract: A dual temperature mold assembly for maintaining a mold cavity used in a cast on strap process at two different temperatures facilitates the removal of the solidified strap after the molten metal is solidified. The mold assembly includes a mold cavity having walls attached to different mold assembly segments that are heated or cooled by thermal energy input and coolant processes which can maintain the mold cavities at different temperatures, so that molten metal around the battery plate lugs in a mold cavity segment is solidified while the sides of the mold cavity are exposed to at least one adjacent heated segment to provide thermal energy thereinto, resulting in a reduction of the amount of molten metal necessary for a cast on strap, and reducing the amount of thermal energy input into the process for manufacturing the straps.

Abstract: A composite element is provided. The composite element includes a ceramic component defining a cavity having a first end and a second end, and a metallic component that includes a head and a body. At least a portion of the body of the metallic component is disposed in the cavity, and the head of the component is disposed on the first end of the cavity. A cross-sectional area of a portion of the body is greater than an area of the first end. In addition, the ceramic and metallic components are interlocked. Methods of making a composite element and of making a clearance sensor part are also provided.

Abstract: Disclosed are a bonded product, and a manufacturing method and manufacturing device therefor. To obtain a bonded product formed of a solidified material of a molten metal which has been poured into a forming mold with a workpiece, all or part of which is already held therein, or formed of a semi-solidified slurry which is contained in the forming mold together with the workpiece, the semi-solidified slurry or the molten metal is relatively made to flow on the end faces of the workpiece while friction sufficient to break the passive state existing at the surface of the molten metal or the semi-solidified slurry is generated between the workpiece and the semi-solidified slurry or the molten metal.

Abstract: An infiltration method of forming an article including providing a working mold including a solid binder member extending through an interior of the working mold, wherein the solid binder member is made of a binder material, and providing a layer of powder matrix material within a molding void of the working mold. The method further includes heating the working mold to form a molten binder pathway from the solid binder member to infiltrate the layer of powder matrix material.

Abstract: A lightweight armor system according to the present invention includes one or more material layers having a fraction of void volume and at least one of those material layers having holes of various sizes and designs integrated therein. The material layers are infiltrated with liquid metal which solidifies within the materials open porosity to bind the layers together to create a coherent integral structure. The holes may be in the form of tubes which are impervious to metal infiltration and reduce the weight of the armor system while contributing to projectile deflection. A process for producing a lightweight armor system is disclosed which comprises the steps of 1.) forming holes in a preform containment layer 2.) positioning sealed tubes in the formed holes so that the tubes run through the thickness of the preform 3.) positioning at least one preform w/ sealed tubes within a mold chamber of a closed mold and 4.) infiltrating the mold with a liquid metal.

Abstract: The present invention is directed to a shaft with two front sides and an axis of rotation, whereby the shaft comprises at least one gear with the same axis of rotation, which gear borders at least a first one of the front sides in an axial area. Viewed from radially inside toward radially outside, the gear comprises a connection part with a central receptacle for the shaft, and an outer part with teeth. The connection part is cast directly between the shaft and the outer part. The connection part extends over the shaft in axial direction and covers the first front side.

Abstract: A turbine airfoil (31) with an end portion (42) that tapers (44) toward the end (43) of the airfoil. A ridge (46) extends around the end portion. It has proximal (66) and distal (67) sides. A shroud platform (50) is bi-cast onto the end portion around the ridge without bonding. Cooling shrinks the platform into compression (62) on the end portion (42) of the airfoil. Gaps between the airfoil and platform are formed using a fugitive material (56) in the bi-casting stage. These gaps are designed in combination with the taper angle (44) to accommodate differential thermal expansion while maintaining a gas seal along the contact surfaces. The taper angle (44) may vary from lesser on the pressure side (36) to greater on the suction side (38) of the airfoil. A collar portion (52) of the platform provides sufficient contact area for connection stability.

Abstract: One embodiment of the invention includes a frictional damping insert including a body constructed and arranged to be incorporated into a product and to form at least a portion of a frictional damping structure, the body including lines of weakness constructed and arranged to segment the body into separate sections upon exposure to a molten material.

Abstract: The present invention relates to a metal matrix composite (MMC) and the method of manufacturing the MMC. The MMC includes a preform formed from a composition having ceramic particles and ceramic fibers. The metal matrix composite also includes a support element formed from a metal where the metal impregnates through the preform. The method of forming the MMC includes the step of extruding the composition through a multi-screw extruder to form an extrudate. The method also includes the step of heating the preform and positioning the preform within a mold. The method further includes the step of heating the metal for forming a molten metal and injecting the molten metal into a cavity of the mold under pressure for infiltrating the preform with the molten metal. The method also includes cooling the molten metal to solidify the molten metal and form the metal matrix composite and removing the metal matrix composite from the mold.

Abstract: To provide a manufacturing apparatus that is capable of manufacturing metal-ceramic composite members in various shapes with high productivity, and a mold member and a manufacturing method therefore. An apparatus for manufacturing a metal-ceramic composite member was made, the apparatus including: a plurality of process regions, namely, an atmosphere replacing/heating part 11, a molten metal push-out part 21, and a cooling part 31; and a guide 48 for allowing a mold to pass through these plural process regions, molds 60 having ceramic members 86 placed therein are successively inserted into a mold inlet 43 provided in this guide 48 to pass through the guide 48 practically in a shielded state from the atmosphere, a molten metal 53 is poured thereto in the molten-metal push-out part 21, and the molten metal 53 is cooled and solidified in the cooling part 31 to join a metal and a ceramic, thereby manufacturing the metal-ceramic composite member.

Abstract: To provide a carbon fiber Ti—Al composite material having hardness, heat resistance and abrasion resistance, having reduced weight and improved strength and thermal conductivity and being excellent in uniformity of the quality. A carbon fiber Ti—Al composite material which is prepared by pressure impregnating a molded product containing fine carbon fibers having a fiber diameter of from 0.5 to 500 nm and a fiber length of at most 1,000 ?m and having a hollow-structured central axis and a titanium powder or a titanium oxide powder, with aluminum or an aluminum alloy by molten metal forging.

Abstract: A method of forming a brake rotor includes forming a plurality of metal insert portions. Each insert portion includes an inner side and an outer side with a plurality of attachment members coupled to the inner side. The method also includes positioning the plurality of insert portions into a mold such that the inner side of one of the plurality of insert portions faces the inner side of another one of the insert portions. The method also includes introducing a molten aluminum into the mold such that the molten aluminum contacts the inner side of each insert portion. The method further includes forming a mechanical bond between the aluminum and at least a portion of at least one of the inserts.

Abstract: A cast metal part has a veneer made of cosmetic metal applied thereto so that the cast metal part has a cosmetic surface. A method for producing a cast metal part with a cosmetic surface comprises applying a veneer of cosmetic metal to a surface of the cast metal part. The cast metal part can be a die cast part, such as die cast aluminum or zinc. The veneer can be thin gauge highly cosmetic aluminum. The veneer of cosmetic metal can be applied to the surface of the cast metal part by placing the veneer into a casting mold used for forming the cast metal part, and casting molten metal onto the veneer in the casting mold. The veneer of cosmetic metal can also be applied to the surface of the cast metal part by solid-state welding, e.g., diffusion bonding, the veneer and the cast metal part together.

Abstract: A base plate for power module, comprising an aluminum-silicon carbide composite and aluminum layers made of a metal containing aluminum as the main component formed on respective principal planes of the aluminum-silicon carbide composite, wherein the aluminum-silicon carbide composite is produced by forming or fabricating a flat plate-shaped silicon carbide porous body to have a thickness difference of at most 100 ?m in the entire porous body and piling such porous bodies as they are each sandwiched between mold-releasing plates so that the fastening torque in the plane direction becomes from 1 to 20 Nm, and infiltrating a metal containing aluminum as the main component into the silicon carbide porous bodies, wherein the aluminum layers each has an average thickness of from 10 to 150 ?m, the difference between the maximum thickness and the minimum thickness of the aluminum layer in each principal plane is at most 80 ?m, and the difference between average thicknesses of the aluminum layers on the respective pr

Abstract: A golf club head has a face portion and a body portion. The face portion has a support frame, a matrix structure attached to and contained within the support frame, and a face material surrounding the matrix structure. In some aspects, the matrix structure may be a racquet structure that is tensioned to influence performance characteristics. The face material may be a metal, polymer, ceramic, or a combination thereof, and may be encapsulated over the matrix structure by suitable techniques such as coating, dipping, or molding processes such as injection molding or metal injection molding (MIM). In some aspects, the face material is lighter than the body portion of the club head, to concentrate mass away from the striking face, e.g., as in cup face technology.

Abstract: A Coulomb friction damped disc brake rotor, wherein damping is provided Coulomb friction in generally coextensive relation with the braking surfaces of the one or more rotor cheeks. The Coulomb friction damped disc brake rotor has at least one interfacial boundary formed in at least one rotor cheek disposed in generally coextensive relation to the braking surface thereof. The interfacial boundary provides a mechanically distinguishable surface boundary between two surfaces which are in mutual contact such that a state of Coulomb friction exists therebetween.

Abstract: A target cylinder and a method for fabricating the target cylinder. The target cylinder includes a first end, a second end, and a sidewall extending from the first end to the second end. At least one of the second end and the sidewall is an exposed portion that makes contact with a superhard component to determine at least one property of the superhard component. The exposed portion comprises at least one soft material and at least one hard material that is interveningly positioned between or within the soft material in a predetermined and repeatable pattern. In one embodiment, the differential of the unconfined compressive strength between the hard material and the soft material ranges from about 1,000 psi to about 60,000 psi.

Abstract: Methods of manufacturing rotary drill bits for drilling subterranean formations include forming a plurality of boron carbide particles into a body having a shape corresponding to at least a portion of a bit body of a rotary drill bit, infiltrating a plurality of boron carbide particles with a molten aluminum or aluminum-based material, and cooling the molten aluminum or aluminum-based material to form a solid matrix material surrounding the boron carbide particles. In additional methods, a green powder component is provided that includes a plurality of particles each comprising boron carbide and a plurality of particles each comprising aluminum or an aluminum-based alloy material. The green powder component is at least partially sintered to provide a bit body, and a shank is attached to the bit body.

Abstract: An axle stub and to a process for producing the axle stub, consisting of a steel core (which can also be hollow) and a cast part which surrounds the steel core.

Abstract: A honeycomb structure and a method of forming an iron based glass forming honeycomb structure. The honeycomb structure may include at least two sheets, each having a thickness in the range of 0.01 mm to 0.15 mm, formed from an iron based glass forming alloy comprising 40 to 68 atomic percent iron, 13 to 17 atomic percent nickel, 2 to 21 atomic percent cobalt, 12 to 19 atomic percent boron, optionally 0.1 to 6 atomic percent carbon, optionally 0.3 to 4 atomic percent silicon, optionally 1 to 20 percent chromium. The sheets may be stacked, bonded together and formed into a honeycomb. The honeycomb structure may include a plurality of cells.