Abstract: A computing component is described. The computing component includes a cosmetic prefabricated sheet of material. In some embodiments, the cosmetic prefabricated sheet of material may have a cosmetic surface and a protrusion surface. The computing component includes a protrusion extending from the protrusion surface of the cosmetic prefabricated sheet of material. In some embodiments, the cosmetic surface of the cosmetic prefabricated sheet of material is uniform in appearance to the naked eye. In some embodiments, the protrusion may have a base and an end. The base may have a cross-sectional width and the end may have a cross-sectional width. A difference in the cross-sectional width of the base and the cross-sectional width of the end may be less than 250 microns.

Abstract: A porous titanium-based sintered body, having a porosity of 45% to 65%, an average pore diameter of 5 ?m to 15 ?m, and a bending strength of 100 MPa or more. According to the present invention, a porous titanium-based sintered body having good pore diameter and porosity that are compatible with each other and having a high strength can be provided.

Abstract: Foamable semifinished product (1) in the form of granules produced from the metal alloy and the foam agent is inserted into the cavity of the closable mould (2) and the liquid (3) with the density that is higher than the apparent (or bulk) density of the resulting foam is led to it. The liquid has a temperature which is higher than the temperature of the melting of the metal alloy; the transfer of the heat to the particles of the foamable semifinished product (1) takes place; it subsequently expands, whereby it is supported by the liquid (3). During the expansion at least part of the liquid (3) is pushed by the expansion itself out of the mould (2) through the opening. The liquid (3) allows the regulation of the pressure of the environment of the foam agent, too, which helps to set exactly the moment of expansion. The metal melt can be advantageously used as liquid (3). The melt can partially remain in the mould (2) so the hybrid structure of the component is created.

Abstract: A composite member includes a substrate composed of a composite material containing a metal and a non-metal. One surface of the substrate has spherical warpage of which radius of curvature R is not smaller than 5000 mm and not greater than 35000 mm. A sphericity error is not greater than 10.0 ?m, the sphericity error being defined as an average distance between a plurality of measurement points on a contour of a warped portion of the substrate and approximate arcs defined by the plurality of measurement points. The substrate has a thermal conductivity not lower than 150 W/m·K and a coefficient of linear expansion not greater than 10 ppm/K.

Abstract: A coating system disposed on a surface of a substrate is provided. The coating system includes a bond coating on the surface of the substrate, a protective coating on the bond coating, a thermal barrier coating on the protective coating, and a protective agent disposed within at least some of the voids of the thermal barrier coating. The protective coating is constructed from a ceramic material, and the thermal barrier coating defines a plurality of elongated surface-connected voids. Methods are also generally provided for forming such a coating system.

Abstract: Disclosed is an AMS process using a water-leachable alloy that reacts with water and dissolves, and a porous metal manufactured using the same. An AMS precursor including element groups that are selected in consideration of the relationship of heat of mixing with the water-leachable alloy composition to be subjected to the AMS process is immersed in the alloy melt, thus manufacturing a bi-continuous structure alloy. The bi-continuous structure alloy is subjected to dealloying using water, thus manufacturing the porous metal. The water-leachable alloy is a Ca-based alloy having high reactivity to water and high oxidation resistance at high temperatures, and a dealloying process thereof is performed using only pure water, unlike a conventional dealloying process performed using a toxic etching solution of a strong acid/strong base. The metal porous body has high elongation, a large surface area, and low thermal conductivity.

Abstract: An exemplary reinforcing element (104) may be configured to be received within a longitudinally extending cavity (C) defined by a structure (102). The reinforcing element may include a base portion (106) having a bonding material (108, 160) applied thereon, and a member (110, 150) selectively secured to the base portion and configured to selectively extend away from the base portion when the reinforcing element is received within the cavity. Accordingly, the reinforcing element may define a first length (L1) when the member is in a first position with respect to the base portion, and a second length (L1+L2) when the member is in a second position extending away from the base portion, the second length being greater than the first length. The selectively extending arrangement of the reinforcing element may generally allow improved ease and accuracy of installing the reinforcing element within a generally closed structure.

Abstract: The prosthetic joint has at least two members having each a cooperating articulating surface layer on a substrate material. At least one of said articulating surface layers comprises amorphous diamond-like carbon; or Titanium Nitrate (TiN) on a bonding layer bonded to the substrate material. The prosthetic joint provides a reduction of the number of wear debris and shows enhanced dry run properties.

Abstract: There is provided a Cu bonding wire having a Pd coating layer on a surface thereof, that improves bonding reliability of a ball bonded part in a high-temperature and high-humidity environment and is suitable for on-vehicle devices. The bonding wire for a semiconductor device includes a Cu alloy core material and a Pd coating layer formed on a surface of the Cu alloy core material, and the bonding wire contains In of 0.011 to 1.2% by mass and has the Pd coating layer of a thickness of 0.015 to 0.150 ?m. With this configuration, it is able to increase the bonding longevity of a ball bonded part in a high-temperature and high-humidity environment, and thus to improve the bonding reliability. When the Cu alloy core material contains one or more elements of Pt, Pd, Rh and Ni in an amount, for each element, of 0.05 to 1.2% by mass, it is able to increase the reliability of a ball bonded part in a high-temperature environment of 175° C. or more.

Abstract: The present invention provides a nickel and/or chromium plated member comprising a substrate, a pretreatment plating layer deposited over the whole substrate on which a copper plating layer is formed, a functional layer formed on the copper plating layer in which the functional layer has a low potential nickel layer and a microporous nickel layer formed on the low potential nickel layer, and a decorative layer formed on the microporous nickel layer. In this invention, the microporous nickel layer and the low potential nickel layer provided on the surface of the member significantly improve the corrosion resistance and stability of the whole member and provide good brightness uniformity and binding effect of the plating layers.

Abstract: A method comprises rubbing a powder comprising titanium dioxide particles against a surface of an aluminum substrate to form a layer bonded to the surface of the aluminum substrate. The powder comprises titanium dioxide and is essentially free of organic particles. Composite articles preparable by the method are also disclosed.

Abstract: A wet standard calibration system which utilizes a heat conducting foam with the liquid therein to serve as a primary heating device to avoid the need to include mechanical agitation. The system is particularly useful for generating a vapor comprising water and ethanol which can be used for the calibration of breath alcohol testers.

Abstract: Compositions containing a mixture of non-evaporable getter alloys are described. The compositions, after having lost their functionality in consequence of the exposure to reactive gases at a first temperature, can then be reactivated through a thermal treatment at a second temperature that is lower than the first one.

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: The present invention relates to a method for preparing a foam material, comprising the steps: a) providing a powder material, comprising at least one metal powder and optionally at least one ceramic powder; b) providing a perform comprising a particulate material; c) mixing the powder material in the preform; and d) removing the particulate material by exposing the mixture obtained in step c) to the solvent, wherein the particulate material is soluble in the solvent and to a foam material obtainable by said method.

Abstract: A method for preparing a porous tantalum medical implant material, which includes (a) mixing a polyethylene glycol aqueous solution and tantalum powder to form a tantalum slurry, (b) casting the tantalum slurry into an organic foam body through vibrant pressurization, and (c) performing steps of drying, degreasing, vacuum sintering and thermal treatment to obtain the porous tantalum. The solution is a 2-8 wt % polyethylene glycol aqueous solution, the frequency of vibration is 20-80 times/min, the thermal treatment is performed under 10?4-10?3 Pa of vacuity and the temperature is first increased to 800-900° C. at a rate of 10-20° C./min and kept at 800-900° C. for 240-480 minutes, then is decreased to 400° C. at a rate of 2-5° C./min and kept at 400° C. for 120-300 minutes, and is cooled down to room temperature naturally in the furnace.

Abstract: Cold-worked metal articles, methods of forming cold-worked metal articles, and methods of authenticating cold-worked metal articles are provided. In an embodiment, a cold-worked metal article includes a cold-worked metal-containing surface that defines pores. The cold-worked metal-containing surface includes luminescent phosphor particles disposed within the pores. The luminescent phosphor particles include a host crystal lattice material and at least one active ion that includes an absorbing ion and an emitting ion that is different from the absorbing ion. The luminescent phosphor particles are harder than the cold-worked metal-containing surface.

Abstract: Provided is a porous aluminum body capable of being used as a heat transfer material having a very large specific surface area, a good heat-exchange efficiency, and a low pressure drop of a gas. The porous aluminum body contains aluminum as a main component. The porous aluminum body has a three-dimensional network structure and has a specific surface area (Y) represented by a (Formula) below. Y=a×exp(0.06X)??(Formula) (In the (Formula), Y represents a specific surface area [m2/m3], X represents the number of cells [per inch], and a represents a number of 100 or more and 1,000 or less.

Abstract: The invention provides a polycrystalline silicon rod having a total diameter of at least 150 mm, including a core A having a porosity of 0 to less than 0.01 around a thin rod, and at least two subsequent regions B and C which differ in porosity by a factor of 1.7 to 23, the outer region C being less porous than region B.

Abstract: The porous metal foil of the present invention include a two-dimensional network structure composed of a metal fiber. This porous metal foil has a first side having a higher glossiness, and a second side having a lower glossiness located on the opposite side of the first side. The ratio of glossiness GS of the first side to glossiness GM of the second side, GS/GM, as measured at incident and reflection angles of 60 degrees in accordance with JIS Z 8741 (1997) is from 1 to 15. The present invention provides a highly useful porous metal foil which has a reduced difference in properties between both sides, in addition to the superior properties attributable to a porous metal foil, in a highly productive and cost effective manner that is suited for continuous production.

Abstract: A turbine engine, an engine structure, and a method of forming an engine structure are provided herein. In an embodiment, an engine structure includes a metal substrate, a thermal barrier coating layer, and a metal silicate protective layer. The thermal barrier coating layer overlies the metal substrate, and the thermal barrier coating layer has columnar grains with gaps defined between the columnar grains. The metal silicate protective layer is formed over the thermal barrier coating layer, and the metal silicate protective layer covers the columnar grains and the gaps between the columnar grains.

Abstract: A powder metal component is made of compacted and sintered powder metal particles such as chromium-containing ferrous-based metal and is porous. Following sintering, the pores are impregnated with relatively smaller particles of ceria and/or yttria. The component is then heat treated and the presence of the impregnated ceria and/or yttria serve as nucleation sites for the formation of desirable oxides, such as chromium oxide, on the surface. The impregnated particles that lie below the protective oxide layer remain available throughout the life of the component in the event the original oxide layer becomes worn or damaged, wherein a renewed protective oxide is formed in such regions due to the presence of the impregnated particles.

Abstract: The present invention relates to an anti-corrosion film, a metal substrate with an anti-corrosion layer and a manufacturing method thereof. The anti-corrosion film is at least one selected from the group consisting of: a Zr-based metallic glass film formed of Formula 1, a Zr—Cu-based metallic glass film formed of Formula 2, and a Ti-based metallic glass film formed of Formula 3, Formula 4 or Formula 5, wherein Formula 1 to Formula 5 are as described in the specification.

Abstract: Hybrid solder for solder balls and filled paste are described. A solder ball may be formed of a droplet of higher temperature solder and a coating of lower temperature solder. This may be used with a solder paste that has an adhesive and a filler of low temperature solder particles, the filler comprising less than 80 weight percent of the paste. The solder balls and paste may be used in soldering packages for microelectronic devices. A package may be formed by applying a solder paste to a bond pad of a substrate, attaching a hybrid solder ball to each pad using the paste, and attaching the package substrate to a microelectronic substrate by reflowing the hybrid solder balls to form a hybrid solder interconnect.

Abstract: A method for forming porous metal structures and the resulting structure may include forming a metal structure above a substrate. A masking layer may be formed above the metal structure, and then etched using a reactive ion etching process with a mask etchant and a metal etchant. Etching the masking layer may result in the formation of a plurality of pores in the metal structure. In some embodiments, the metal structure may include a first end region, a second end region, and an intermediate region. Before etching the masking layer, a protective layer may be formed above the first end region and the second end region, so that the plurality of pores is contained within the intermediate region. In some embodiments, the intermediate metal region may be a nanostructure such as a nanowire.

Abstract: A method of finishing a fan blade includes bonding a sheath and a cover to an aluminum fan blade with an airfoil, a root, a leading edge and a tip; imparting residual stresses onto the blade; coating the blade to protect exposed areas of the blade; and curing the blade in low-temperature cure cycles to preserve residual stresses imparted.

Abstract: A structural layer (30) may be bi-cast onto ligaments (62) extending from a porous cooling construction (20). The material of the structural layer may be optimized for high-temperature strength, while the material of the porous construction may be optimized for high thermal conductivity. A fugitive material (56) such as wax may be formed on the ligaments of the porous construction. A second fugitive material (58) such as ceramic may fill the remaining part of the porous construction. An investment casting shell (60) may be disposed around the porous construction and the fugitive materials. The first fugitive material may then be replaced with the material of the structural layer (30), and the second fugitive material may be removed to provide coolant paths (26). A second structural layer (52) may be bi-cast onto further ligaments (62) on a second side of the porous construction.

Abstract: Systems and methods in accordance with embodiments of the invention advantageously shape sheet materials that include metallic glass-based materials. In one embodiment, a method of shaping a sheet of material including a metallic glass-based material includes: heating a metallic glass-based material within a first region within a sheet of material to a temperature greater than the glass transition temperature of the metallic glass-based material; where the sheet of material has a thickness of between 0.

Abstract: A mechanical structure is provided with a crystalline superelastic alloy that is characterized by an average grain size and that exhibits a martensitic phase transformation resulting from a mechanical stress input greater than a characteristic first critical stress. A configuration of the superelastic alloy is provided with a geometric structural feature of the alloy that has an extent that is no greater than about 200 micrometers and that is no larger than the average grain size of the alloy. This geometric feature undergoes the martensitic transformation without intergranular fracture of the geometric feature.

Abstract: A process of forming porous electrolytic electrode in which alternating layers of a valve metal and a ductile metal are combined to form a billet, and the billet mechanically reduced by exclusion and drawing prior to etching. One or more slots are formed in the billet prior to the mechanical reducing, and filled with the ductile metal.

Abstract: A method of forming a dense oxide coating on an aluminum component of semiconductor processing equipment comprises cold spraying a layer of pure aluminum on a surface of the aluminum component to a predetermined thickness. A dense oxide coating is then formed on the layer of pure aluminum using a plasma electrolytic oxidation process, wherein the plasma electrolytic oxidation process causes the layer of pure aluminum to undergo microplasmic discharges, thus forming the dense oxide coating on the layer of pure aluminum on the surface of the aluminum component.

Abstract: This invention makes it possible to impart bioactivity to a variety of materials by sandblasting to form pores in the surface thereof.

Abstract: Articles of manufacture comprise a body. A porous material is plated on the body, the porous material comprising nickel having a plurality of pores disposed in a generally ordered array extending into the nickel. Methods of forming a porous material on a body comprise disposing an anode and a cathode in an electrolyte comprising nickel ions. An electrical signal is pulsed to at least one of the anode and the cathode. A porous material comprising nickel having a plurality of pores generally disposed in an ordered array extending into the nickel is deposited on the cathode.

Abstract: A syntactic foam comprising hollow metallic shells and a solid metal foam matrix. The metal foam composites 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 or aspiration casting.

Abstract: A composite structure includes a substrate with pores of a first mean pore size and a coating on at least one surface of that substrate. This coating has pores of a second mean pore size where the first mean pore size is equal to or greater than said second mean pore size. When the pore size of the coating is effective to capture particulate greater than 0.2 micron, the composite may be formed into a filter effective to remove microbes from a fluid medium. One method to form the porous coating on the substrate includes the steps of: (a) forming a suspension of sinterable particles in a carrier fluid and containing the suspension in a reservoir; (b) maintaining the suspension by agitation in the reservoir; (c) immersing the substrate in the reservoir; (c) applying a first coating of the suspension to the substrate; (d) removing the substrate with the applied first coating from the reservoir; and (e) sintering the sinterable particles to the substrate thereby forming a coated substrate.

Abstract: A stainless steel-and-amorphous alloy composite includes a stainless steel part and an amorphous alloy part. The stainless steel part has nano-pores defined in a surface thereof. The amorphous alloy part is integrally bonded to the surface having the nano-pores. A method for manufacturing the composite is also described.

Abstract: A manufacturing process for a metal foam provided with at least one channel and intended namely for the manufacture of heat exchangers using a preform of balls. A foundry core constituted by a central core and a coating of a material fusible at low temperature are arranged in a foundry mould, the preform is then tightly arranged around the core, the fusible material is then eliminated by heating at a low temperature, then the molten metal mass is cast in the mould in order to fill the free spaces between the balls and between the balls and the central core, and lastly the balls are eliminated.

Abstract: A hollow article includes a metallic hollow article formed from a having a first major surface, an internal cavity with an opening in the first major surface, and a socket around the opening; a cover of composite material received in the socket and covering the opening; and a filler material of foam in the internal cavity.

Abstract: A fired heater tube that is resistant to corrosion and fouling is disclosed. The fired heater tube comprises an advantageous high performance coated material composition resistant to corrosion and fouling comprises: (PQR), wherein P is an oxide layer at the surface of (PQR), Q is a coating metal layer interposed between P and R, and R is a base metal layer, wherein P is substantially comprised of alumina, chromia, silica, mullite, spinels, and mixtures thereof, Q comprises Cr, and at least one element selected from the group consisting of Ni, Al, Si, Mn, Fe, Co, B, C, N, P, Ga, Ge, As, In, Sn, Sb, Pb, Sc, La, Y, Ce, Ti, Zr, Hf, V, Nb, Ta, Mo, W, Re, Ru, Rh, Ir, Pd, Pt, Cu, Ag, Au and mixtures thereof, and R is selected from the group consisting of low chromium steels, ferritic stainless steels, austenetic stainless steels, duplex stainless steels, Inconel alloys, Incoloy alloys, Fe—Ni based alloys, Ni-based alloys and Co-based alloys.

Abstract: The present invention relates to a method of preparing a porous silicon nanorod structure composed of columnar bundles having a diameter of 50-100 nm and a length of 2-5 ?m, and a lithium secondary cell using the porous silicon nanorod structure as an anode active material. The present invention provides a high-capacity and high-efficiency anode active material for lithium secondary cells, which can overcome the low conductivity of silicon and improve the electrode deterioration attributable to volume expansion because it is prepared by electrodepositing the surface of silicon powder with metal and simultaneously etching the silicon powder partially using hydrofluoric acid.

Abstract: There is provided a manufacturing method of an aluminum structure, including a conductive treatment process of forming an electrically conductive layer on a surface of a resin molded body, the electrically conductive layer being made of one or more metals selected from the group consisting of gold, silver, platinum, rhodium, ruthenium, palladium, nickel, copper, cobalt, iron, and aluminum, and a plating process of plating the resin molded body subjected to the conductive treatment process with aluminum in a molten salt bath. The manufacturing method of an aluminum structure allows aluminum plating on the surface of even a porous resin molded body having a three-dimensional network structure. In particular, there is also provided a manufacturing method of an aluminum structure that can form porous aluminum having a large area.

Abstract: A low density fabric substrate for a medical bandaging product. The substrate has a plurality of longitudinally-extending voids formed in the fabric for permitting water penetration through the fabric thickness from one of the major faces to the other major faces. A reactive system is impregnated into or coated onto the substrate and remains stable when maintained in substantially moisture-free conditions and hardens upon exposure to sufficient moisture to form a rigid, self supporting structure. A soft, flexible protective material covers at least one of the major faces of the substrate along its length to provide a cushioning barrier between the substrate and the skin of a patient when the material is in use.

Abstract: The invention relates to a preform intended for the manufacture of a metal foam having a porosity of between 62% and 85%, wherein it includes a set of precursors in the form of balls formed of a mixture of 12% to 25% of organic binder, 72% to 87% of sodium chloride and 1 to 3% of kalinite, the precursors have a diameter of around 1 to 10 mm and preferably of 4 mm and said precursors are obtained by granulating the mixture using the fluidized bed process.

Abstract: The present invention relates to a method for preparing a foam material, comprising the steps: a) providing a powder material, comprising at least one metal powder and optionally at least one ceramic powder; b) providing a perform comprising a particulate material; c) mixing the powder material in the preform; and d) removing the particulate material by exposing the mixture obtained in step c) to the solvent, wherein the particulate material is soluble in the solvent and to a foam material obtainable by said method.

Abstract: A solder joint and method of soldering are disclosed. Formation is controlled of atomic vacancies in a surface layer of a component to be soldered. Diffusion of the atomic vacancies during soldering is controlled. Vacancy formation may be controlled using a low current density during surface layer creation. Diffusion may be controlled by controlling layer thickness and soldering temperature.

Abstract: Provided is a porous metal body containing at least nickel, tin, and chromium. An example of a method of producing such a porous metal body is a method including a conductive-coating-layer formation step of forming a conductive coating layer containing chromium on a surface of a porous base formed of a resin material; a metal-layer formation step of forming a nickel layer and a tin layer in any order on a surface of the conductive coating layer; a removal step of removing the porous base; and a diffusion step of, by a heat treatment, causing interdiffusion of metal atoms between the nickel layer and the tin layer and diffusing chromium contained in the conductive coating layer into the nickel layer and the tin layer.

Abstract: The invention relates to a method for producing a noble metal/metal layer, which has particularly advantageous tribological properties, comprising the following steps: providing a bath for the currentless deposition of a metal layer, which additionally contains at least one type of noble metal ions; introducing a substrate into the bath; and applying a voltage.

Abstract: Method, apparatus, and system for preparing a cellular material based on hollow metal beads. According to the description, at least one bead chain in which said hollow metal beads are linked to one another in pairs by means of an articulation is used as elementary structure constituting the cellular material.

Abstract: A method for manufacturing a porous device with restrictive layer comprises the steps of providing a porous structure having a micro pore structure, flattening the porous carrier to form a surface, and forming a restrictive layer on the surface of the porous carrier, a method for manufacturing said restrictive layer includes forming a nickel-chromium alloy layer on the surface of the porous carrier, forming a copper metal layer on the nickel-chromium alloy layer, forming a nickel metal layer having a top surface on the copper metal layer, and processing said nickel-chromium alloy layer, said copper metal layer and said nickel metal layer to form a plurality of channels communicating with the micro pore structure and the top surface. The restrictive effect and damping effect can raise anti-vibration ability of the porous device itself by formation of dual restrictive structure composed of the micro pore structure and the channels.

Abstract: An electrical conductor has a metal substrate. A seal layer is provided exterior of the metal substrate. A nickel layer is provided exterior of the seal layer. The seal layer is a non-nickel based metal. Optionally, the seal layer may be tin based. Optionally, the seal layer may create intermetallic interface layers with the nickel layer and the metal substrate. Optionally, the electrical conductor may constitute a contact configured for mating with at least one of a printed circuit board or another mating contact.