Abstract: A theft deterrent device includes a locking portion and a housing portion. The locking portion includes a locking mechanism. The housing portion includes a housing portion wall. The housing portion wall comprises a first material and is configured to house a second material within the housing portion wall. The second material is made of a different material than the first material. The second material is selected such that a cutting tool will be hindered when trying to cut through the housing portion.

Abstract: A method for depositing material layers on a workpiece made of a material which contains a titanium aluminide includes the steps of: preparing the workpiece; heating the workpiece in a localized region by induction to a predefined preheating temperature; and depositing an additive, preferably in powder form, on the heated surface of the workpiece by build-up welding, in particular laser build-up welding, plasma build-up welding, micro-plasma build-up welding, TIG build-up welding or micro-TIG build-up welding; the additive including a titanium aluminide.

Abstract: An article of manufacture includes a first ceramic matrix composite (CMC) sheet having a number of flow passages therethrough, and an open-cell foam layer bonded to the first CMC sheet. The open-cell foam layer is an open-cell foam. The article of manufacture includes a second CMC sheet bonded to the open-cell foam layer, the second CMC sheet having a thermal and environmental barrier coating and having a number of flow passages therethrough.

Abstract: Hemispheres and spheres are formed and employed for a plurality of applications. Hemispheres are employed to form a substrate having an upper surface and a lower surface. The upper surface includes peaks of pillars which have a base attached to the lower surface. The peaks have a density defined at the upper surface by an array of hemispherical metal structures that act as a mask during an etch to remove substrate material down to the lower surface during formation of the pillars. The pillars are dense and uniform and include a microscale average diameter. The spheres are formed as independent metal spheres or nanoparticles for other applications.

Abstract: Provided is a container-use surface treated steel sheet which is manufactured without using chromium and exhibits excellent working adhesion with a coated organic resin, a method of manufacturing the container-use surface treated steel sheet, an organic resin coated surface treated steel sheet. The container-use surface treated steel sheet is a surface treated steel sheet where nickel plating is applied to at least one-side surface of surfaces of a steel sheet by coating, wherein nickel plating has a fine particle shape formed by fine particles which has particle density of 2 to 500 pieces/?m2 and having an average particle size of 0.05 to 0.7 ?m. The container-use surface treated steel sheet is also characterized in that a coating weight of the nickel plating of the container-use surface treated steel sheet is 0.1 to 12 g/m2, metal tin is contained in coating of the nickel plating, and an amount of metal tin is 0.05 to 0.1 g/m2.

Abstract: A method for preparing an implant having a porous metal component. A loose powder mixture including a biocompatible metal powder and a spacing agent is prepared and compressed onto a metal base. After being compressed, the spacing agent is removed, thereby forming a compact including a porous metal structure pressed on the metal base. The compact is sintered, forming a subassembly, which is aligned with a metal substrate portion of an implant. A metallurgical bonding process, such as diffusion bonding, is performed at the interface of the subassembly and the metal substrate to form an implant having a porous metal component.

Abstract: A monofilament (1) for the production of a superconducting wire (20) has a powder core (3) that contains at least Sn and Cu, an inner tube (2), made of Nb or an alloy containing Nb, that encloses the powder core (3), and an outer tube (4) in which the inner tube (2) is arranged. The outer side of the inner tube (2) is in contact with the inner side of the outer tube (4) and the outer tube (4) is produced from Nb or from an alloy containing Nb. The outer tube is disposed in a cladding tube. The superconducting current carrying capacity of the superconducting wire is thereby improved.

Abstract: The present invention is directed to a process for tin coating a metallic substrate, and a process for hardening a tin layer and wire having a tin coating The invention relates in particular to a process for tin coating a wire. In the process, firstly a tin layer is applied, and a metal layer made of a metal different to tin is applied thereto. Then, the layers are subjected to a diffusion annealing operation.

Abstract: Provided is a copper foil with surface treated layers, wherein a copper foil or a copper alloy foil includes a plurality of surface treated layers configured from a roughened layer formed on the copper foil or the copper alloy foil by roughening treatment, a heat-resistant layer made from a Ni—Co layer formed on the roughened layer, and a weathering layer and a rust-preventive layer which contain Zn, Ni, and Cr and is formed on the heat-resistant layer, and the surface treated layers having a (total Zn)/[(total Zn)+(total Ni)] ratio of 0.13 or more and 0.23 or less.

Abstract: Provided is a rolled copper or copper-alloy foil having a roughened surface, the rolled copper or copper-alloy foil subjected to roughening treatment with copper fine grains wherein a copper base plating layer is provided between the copper roughened layer and the rolled copper or copper-alloy foil. An object of the present invention is to provide a roughened rolled copper-alloy foil having fewer craters, the presence of which is a serious disadvantage unique to a rolled copper-alloy foil having a roughened surface. In particular, provided is a rolled copper or copper-alloy foil in which the development of craters caused by inclusions present in or near a surface of the base material can be controlled.

Abstract: A lamination includes a substrate formed of a metal or alloy, an intermediate layer formed on a surface of the substrate and is formed of a metal or alloy that is softer than the substrate, and a metal film deposited by accelerating a powder material of a metal or alloy together with a gas heated to a temperature lower than the melting point of the powder material and spraying it onto the intermediate layer while keeping it in a solid phase.

Abstract: A metal foil including: a steel layer whose thickness is 10 to 200 ?m; an Al-containing metal layer arranged on the steel layer; and plural granular alloys which exist in an interface between the steel layer and the Al-containing metal layer, wherein, when a cutting-plane line of a surface of the Al-containing metal layer is defined as a contour curve and an approximation straight line of the contour curve is defined as a contour average straight line, a maximum point, whose distance from the contour average straight line is more than 10 ?m, is absent on the contour curve, and wherein, when an equivalent sphere diameter of the granular alloys is x in units of ?m and a thickness of the Al-containing metal layer is T in units of ?m, the granular alloys satisfy x?0.5T.

Abstract: Provided are methods and initial structures for fabricating corrosion resistant steels that incorporate an aluminum rich corrosion resistant surface layer. The initial structures utilize layering and/or patterning for reducing the effective diffusion length Deff to a value well below the total thickness of the aluminum alloy protective layer X1 by providing vertical and/or lateral laminated structures that provide ready sources of Fe atoms during subsequent heat treatment processes.

Abstract: Disclosed is a sliding member (11) that has a base section (12) and an overlay layer (13) provided on the base section (12). The overlay layer (13) has Bi or a Bi alloy as the base, and contains Sn or an Sn alloy. The average particle size of Sn-based particles (15) distributed within the overlay layer (13) is no more than 5% of the average particle size of Bi-based particles (14) distributed within the overlay layer (13).

Abstract: A copper foil with a resistance layer is provided, wherein the variation value is small when it is made into a resistance element, the adhesion with the resin substrate to be laminated with is able to be sufficiently maintained, which has an excellent characteristics as a resistance element for a rigid and a flexible substrate. A copper foil with a resistance layer of the present invention comprises a copper foil on one surface of which a metal layer or alloy layer is formed from which a resistance element is to be formed, the surface of the metal layer or alloy layer being subjected to a roughening treatment with nickel particles. A method of production of a copper foil with a resistance layer of the present invention comprises: forming a resistance layer of phosphorus-containing nickel on a matte surface of an electrodeposited copper foil having crystals comprised of columnar crystal grains wherein a foundation of the matte surface is within a range of 2.5 to 6.

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: In various embodiments, a metallic structure includes first and second clad structures each comprising a protective layer disposed over a steel layer, a joint joining the steel layers of first and second clad structures, and, directly connecting the protective layers of the first and second clad structures, a layer of metal powder disposed in contact with (i) the joint, (ii) the protective layers of the first and second clad structures, and (iii) a portion of at least one of the steel layers proximate the joint.

Abstract: An aluminum alloy brazing sheet includes a core material containing Si, Cu and Mn by a predetermined amount, the balance being Al and inevitable impurities, a sacrificial anode material disposed on one face side of the core material and containing Si, Zn and Mg by a predetermined amount, the balance being Al and inevitable impurities, and a brazing filler material disposed on the other face side of the core material and formed of an aluminum alloy, and the area fraction of Zn—Mg-based intermetallic compounds with 2.0 ?m or above particle size on the surface of the sacrificial anode material may be 1.0% or below. Or otherwise, in the aluminum alloy brazing sheet, the number density of Al—Cu-based intermetallic compounds with 0.5 ?m or above particle size inside the core material may be 1.0 piece/?m2 or below.

Abstract: A silicon/gold (Si/Au) bilayer seed structure is located in a film stack between an amorphous or crystalline lower layer and an upper layer with a well-defined crystalline structure. The seed structure includes a Si layer on the generally flat surface of the lower layer and a Au layer on the Si layer. The Si/Au interface initiates the growth of the Au layer with a face-centered-cubic (fcc) crystalline structure with the (111) plane oriented in-plane. The upper layer grown on the Au layer has a fcc or hexagonal-close-packed (hcp) crystalline structure. If the upper layer is a fcc material its [111] direction is oriented substantially perpendicular to the (111) plane of the Au layer and if the upper layer is a hcp material, its c-axis is oriented substantially perpendicular to the (111) plane of the Au layer.

Abstract: A member having a coating film capable of suppressing whisker generation is provided. The coating film (3) including a plurality of crystalline grains (3a) made of tin or tin alloy is formed above the surface of the base member (1). An intermetallic compound (3b) of tin and the first metal is being formed along the crystalline grain boundaries of the coating film.

Abstract: A wear resistant multilayer overlay includes a first layer on at least a surface of an article, and a second layer metallurgically bonded to at least a portion of the first layer. The first layer includes a first continuous metallic matrix and at least one of first hard particles, blocky diamond particles, non-blocky diamond particles, TSP diamond, cubic boron nitride particles, and PCD compacts embedded in the first continuous metallic matrix, wherein the first hard particles are at least one of transition metal carbide particles and boron nitride particles. The second layer includes a second continuous metallic matrix and at least one of second hard particles, blocky diamond particles, non-blocky diamond particles, TSP diamond, cubic boron nitride particles, and PCD compacts, embedded in the second continuous metallic matrix, wherein the second hard particles are at least one of transition metal carbide particles and boron nitride particles. Related methods and articles of manufacture also are disclosed.

Abstract: There is provided a Sn-plated material comprising a base plated layer made of Ni or a Ni alloy having a thickness of 0.2 to 1.5 ?m, an intermediate plated layer made of a Cu—Sn alloy having a thickness of 0.1 to 1.5 ?m, and a surface plated layer made of Sn or a Sn alloy having a thickness of 0.1 to 1.5 ?m in this order on the surface of copper or a copper alloy, and the mean crystal particle size of the Cu—Sn alloy forming the intermediate plated layer is 0.05 ?m or larger but is smaller than 0.5 ?m when a cross section of the intermediate plated layer is observed.

Abstract: A cored reactive metal wire is formed by gathering at least three strands of continuously fed elongated reactive metal wires into a bundle and aligning the bundle of wires with a continuously fed sheet of metal sheath. The bundle of wires is then compacted into a generally cylindrical shape and clad with the sheet of metal sheath whereby the compacted bundle of reactive metal wires form a core of the cored wire in which the core has a substantially larger diameter than each of the strands of continuously fed elongated reactive metal wires.

Abstract: A fiber composite material which is particularly suitable for aircraft construction, includes inorganic mineral fibers embedded or enclosed in a metal matrix. The mineral fibers include a substantial or dominant proportion of SiO2, and/or Al2O3 and/or Fe2O3, the remainder being rock material. The fibers have a length of at least 10 mm and are oriented in parallel to one another in at least one direction. The metal matrix is made of aluminum, aluminum alloys, magnesium, magnesium alloys, titanium or titanium alloys. These matrix metal alloys contain a substantial or dominant proportion of the respective metal. The fibers are preferably coated with particles of the matrix metal and bonded to one another to form fiber films or fiber sheets which are then laminated between sheets of matrix metal.

Abstract: Methods for repairing abradable seals of gas turbine engines include providing an abradable seal component of a gas turbine engine, the seal component having a structural substrate; providing a first preform to restore the structural substrate; and providing a second preform to form an abradable layer of the component. Preforms include a multilayer stack having a first layer and a second layer.

Abstract: A boron-free and silicon-free bonding alloy (16) for joining with a superalloy base material (12, 14). The bonding alloy includes aluminum in a concentration that is higher than the concentration of aluminum in the base material in order to depress the melting temperature for the bonding alloy to facilitate liquid phase diffusion bonding without melting the base material. The concentration of aluminum in the bonding alloy may be at least twice that of the concentration of aluminum in the base material. For joining cobalt-based superalloy materials that do no contain aluminum, the concentration of aluminum in the bonding alloy may be at least 5 wt. %.

Abstract: Reactive foils and their uses are provided as localized heat sources useful, for example, in ignition, joining and propulsion. An improved reactive foil is preferably a freestanding multilayered foil structure made up of alternating layers selected from materials that will react with one another in an exothermic and self-propagating reaction. Upon reacting, this foil supplies highly localized heat energy that may be applied, for example, to joining layers, or directly to bulk materials that are to be joined. This foil heat-source allows rapid bonding to occur at room temperature in virtually any environment (e.g., air, vacuum, water, etc.). If a joining material is used, the foil reaction will supply enough heat to melt or soften the joining material, which upon cooling will form a strong bond, joining two or more bulk materials.

Abstract: A spinel composition of the invention includes a monocrystalline lattice having a formula Mg1-w?wAlx-y?yOz, where w is greater than 0 and less than 1, x is greater than 2 and less than about 8, y is less than x, z is equal to or greater than about 4 and equal to or less than about 13, ? is a divalent cationic element having an ionic radius greater than divalent magnesium, and ? is a trivalent cationic element having an ionic radius greater than trivalent aluminum. The monocrystalline lattice has tetrahedral and octahedral positions, and most of the magnesium and ? occupy tetrahedral positions. In one embodiment, the molar ratio of aluminum to the amount of magnesium, ? and ? can be controlled during growth of the monocrystalline lattice thereby forming a spinel substrate suitable for heteroepitaxial growth of III-V materials. A method of the invention, includes forming a monocrystalline lattice of a spinel composition.

Abstract: A rotor (10) for a turbomachine, comprising at least one first, preferably disk-like rotor section (12), which is exposed to high operating temperatures and consists of a particularly creep-resistant material, in particular a nickel-based alloy, and at least one second, preferably disk-like rotor section (11), which is exposed to lower operating temperatures and consists of a less creep-resistant material, in particular steel, the first and second rotor sections (11, 12) being joined to one another by welding. In a rotor of this type, a crack-free welded joint is achieved by the fact that, to join the two rotor sections (11, 12), a transition region (13) is arranged between the two rotor sections (11, 12), which transition region is produced by powder metallurgy, is welded to one of the two rotor sections (11, 12) at least on one side, and on this side has the same composition as the rotor section to which it is welded.

Abstract: A metal foil connection of first and second metal foils having a thickness of less than 0.05 mm includes a connecting point in which the metal foils are brazed to one another. The connecting point forms a wedge which is filled with brazing medium. A mass of the brazing medium, and a mass of sections of the metal foils which the brazing medium contacts in the wedge, have a given ratio. A honeycomb body, a brazing medium particle fraction and a method for manufacturing metal foil connections with a thickness of less than 50 micrometers, are also provided.

Abstract: In accordance with the invention a reactive multilayer foil is fabricated by providing an assembly (stack or multilayer) of reactive layers, inserting the assembly into a jacket, deforming the jacketed assembly to reduce its cross sectional area, flattening the jacketed assembly into a sheet, and then removing the jacket. Advantageously, the assembly is wound into a cylinder before insertion into the jacket, and the jacketed assembly is cooled to a temperature below 100° C. during deforming. The resulting multilayer foil is advantageous as a freestanding reactive foil for use in bonding, ignition or propulsion.

Abstract: Superconducting composite materials having particles of superconducting material disposed in a metal matrix material with a high electron-boson coupling coefficient (&lgr;). The superconducting particles can comprise any type of superconductor including Laves phase materials, Chevrel phase materials, A15 compounds, and perovskite cuprate ceramics. The particles preferably have dimensions of about 10-500 nanometers. The particles preferably have dimensions larger than the superconducting coherence length of the superconducting material. The metal matrix material has a &lgr; greater than 0.2, preferably the &lgr; is much higher than 0.2. The metal matrix material is a good proximity superconductor due to its high &lgr;. When cooled, the superconductor particles cause the metal matrix material to become superconducting due to the proximity effect. In cases where the particles and the metal matrix material are chemically incompatible (i.e.

Abstract: Its basic means is a monolithically bonded construct prepared by monolithically bonding together a rare-earth magnet 2 and a an alloy material that is a high melting point metal or a high specific-tenacity material through the solid phase diffusion bonding by the hot isostatic pressing treatment, and a monolithically bonded construct with an interposal of a thin layer of the high melting point metal between a rare-earth magnet 2 and an alloy material 3, 4 that is a high specific-tenacity material.

Abstract: The invention provides for a functionally-graded metal substrate that is made of at least two metal compositions, a functional insert and a surrounding body that surrounds the functional insert. In a preferred embodiment of the invention a functional insert powder composition of loose powder metal is placed in a compact of a surrounding body powder composition and both metal compositions are sintered in a sintering furnace to form a sintered part. The sintered part is infiltrated in part or in whole with a molten metal compound to produce a functionally graded metal substrate having a density of at least 90% of theoretical. A heat-generating component such as a chip can be attached to the metal substrate for use in microelectronic packaging. When the functionally-graded metal substrate has two discrete compositions of copper/tungsten the surrounding body which has a CTE that ranges from about 5.6ppm/.degree. C. to about 7 ppm/.degree. C.

Abstract: A composite superconducting material made of coated particles of ceramic superconducting material and a metal matrix material. The metal matrix material fills the regions between the coated particles. The coating material is a material that is chemically nonreactive with the ceramic. Preferably, it is silver. The coating serves to chemically insulate the ceramic from the metal matrix material. The metal matrix material is a metal that is susceptible to the superconducting proximity effect. Preferably, it is a NbTi alloy. The metal matrix material is induced to become superconducting by the superconducting proximity effect when the temperature of the material goes below the critical temperature of the ceramic. The material has the improved mechanical properties of the metal matrix material. Preferably, the material consists of approximately 10% NbTi, 90% coated ceramic particles (by volume). Certain aspects of the material and method will depend upon the particular ceramic superconductor employed.

Abstract: A new family of titanium carbide/tungsten boride coatings having excellent wear and corrosion resistance is disclosed. The coatings comprise hard, ultrafine, titanium carbide particles and tungsten boride precipitates dispersed in a metal matrix, the two phases constituting from about 30 to about 80 volume percent of the coating, the balance being metal matrix. The metal matrix contains at least one metal selected from a group consisting of nickel, cobalt and iron. The coatings may be prepared by a process which comprises depositing a mechanically blended powder mixture composed of separate components including a first component containing tungsten carbide and a second component containing boron and at least one metal selected from the group consisting of nickel, cobalt and iron, the powder mixture including titanium in the first or second component or in a separate third component, at least one of the first, second or third components having a melting point below about 1200.degree. C.

Abstract: An article of manufacture which is subject to erosive and corrosive attack in a high-temperature environment is formed of a substrate of nickel or cobalt-based superalloy, and a protective silicide coating disposed on the substrate. A thermal barrier layer of ceramic may be disposed between the superalloy and the silicide layer, and an MCrAlY layer may be disposed between the ceramic and the superalloy substrate. The silicide coating is preferably MoSi.sub.2.

Abstract: A wet type sliding apparatus in which a multilayer sliding member is used in the presence of a lubricating oil, characterized in that the multilayer sliding member is composed of (1) a backing metal layer, (2) a porous, sintered layer provided thereon and (3) a surface layer consisting essentially of polyetheretherketone formed by impregnating and coating the porous, sintered layer with a sliding resin consisting essentially of polyetheretherketone. The above sliding member has a small friction coefficient and excellent wear resistance. In particular, the sliding noise can be more effectively inhibited by adjusting the face roughness of the surface layer of the sliding member to 2 .mu.m or less.

Abstract: This invention relates to an adhesive composition, comprising: (A) at least one multifunctional epoxy; and (B) the composition derived from (B-1) at least one difunctional epoxy resin and (B-2) at least one compound represented by the formulaR--(G).sub.n (1)wherein in Formula (I): R is an aromatic, alicyclic or heterocyclic group; G is a functional group selected from the group consisting of COOH, OH, SH, NH.sub.2, NHR.sup.1, (NHC(.dbd.NH)).sub.m NH.sub.2, R.sup.2 COOH, R.sup.2 OH, R.sup.2 SH, R.sup.2 NH.sub.2 and R.sup.2 NHR.sup.1, wherein R.sup.1 is a hydrocarbon group, R.sup.2 is an alkylene or alkylidene group and m is a number in the range of 1 to about 4; and n is a number ranging from 3 up to the number of displaceable hydrogens on R; with the proviso that when at least one G is NH.sub.2 or R.sup.2 NH.sub.2, n is a number ranging from 2 up to the number of displaceable hydrogens on R, and when at least one G is (NHC(.dbd.NH)).sub.m NH.sub.

Abstract: Reinforcement fibers are formed from a single crystal garnet body--suitably an aluminum garnet, desirably a rare earth aluminum garnet--having an epitaxial surface layer of a second garnet having a lattice constant larger than that of the body garnet so as to provide a compressive strain, to thereby strengthen the fiber.

Abstract: This invention relates to an adhesive composition, comprising: (A) at least one multifunctional epoxy; and (B) the composition derived from (B-1) at least one difunetional epoxy resin and (B-2) at least one compound represented by the formulaR--(G).sub.n (I)wherein in Formula (I): R is an aromatic, alicyclic or heterocyclic group; G is a functional group selected from the group consisting of COOH, OH, SH, NH.sub.2, NHR.sup.1, (NHC(.dbd.NH)).sub.m NH.sub.2, R.sup.2 COOH, R.sup.2 OH, R.sup.2 SH, R.sup.2 NH.sub.2 and R.sup.2 NHR.sup.1, wherein R.sup.1 is a hydrocarbon group, R.sup.2 is an alkylene or alkylidene group and m is a number in the range of 1 to about 4; and n is a number ranging from 3 up to the number of displaceable hydrogens on R; with the proviso that when at least one G is NH.sub.2 or R.sup.2 NH.sub.2, n is a number ranging from 2 up to the number of displaceable hydrogens on R, and when at least one G is (NHC(.dbd.NH)).sub.m NH.sub.

Abstract: Metal carbide supported polycrystalline diamond (PCD) compacts having improved shear strength and impact resistance properties, and a method for making the same under high temperature/high pressure (HT/HP) processing conditions. A sintered polycrystalline cubic boron nitrite (PCBN) compact interlayer is provided to be bonded at a first interface to a sintered PCD compact layer, and at a second interface to a cemented metal carbide support layer comprising particles of a metal carbide in a binder metal. The supported compact is characterized as having a substantially uniform sweep through of the binder metal from the cemented metal carbide support layer, which sweep through bonds the sintered PCD compact layer to the sintered PCBN interlayer, and the sintered PCBN interlayer to the cemented metal carbide support layer.

Abstract: A method for preparing deagglomerated fibres and/or particles and for providing the fibres and/or particles with a substantially uniform protective coating, the fibres and/or particles being of a material selected from the group consisting of carbides oxides, nitrides, silicides, borides, metals and graphite, including SiC, TiC, ZrC, WC, NbC, AlN, TiN, BN, Si.sub.3 N.sub.4, MgO, Al.sub.2 O.sub.3, SiO.sub.2, ZrO.sub.2, Fe.sub.2 O.sub.3, Y.sub.2 O.sub.3, steel, tungsten, molybdenum and carbon, the method comprising (a) preparing an inorganic colloid sol, and (b) mixing the fibres and/or particles are deagglomerated and substantially homogeneously distributed. The fibres and/or particles, e.g. SiC whiskers provided with an aluminum oxide coating by treatment with an aluminum hydroxide-based sol, are used for the preparation of metal matrix composite materials, e.g. based on aluminum or an aluminum alloy.

Abstract: The present invention describes a plated component and plating method in which the plating adheres to the reinforcement particles on the surface of a composite component. This allows the component to be processed above 400.degree. C. without blistering. The plating method allows brazing, such as gold/tin and gold/germanium brazing, maintains hermeticity, and prevents corrosion over a sustained period of time. By utilizing an activator such as palladium, which can produce catalytic sites on which electroless nickel can be deposited, a component with a surface of exposed reinforcement particles can be plated to form a uniform surface without voids. It has been found that by using a combination of nickel-boron and a palladium activator, that Al/SiC composites can be plated with good adhesion when exposed to temperatures above 400.degree. C.

Abstract: A joint forming sheet comprising a substrate having an easy release surface having a contact angle with water of at least 50.degree., having provided on the easy release surface thereof an inorganic thin layer, the interfacial adhesive force of the inorganic thin layer to the substrate surface being greater than the tensile strength of the inorganic thin layer. The inorganic thin layer can be released and transferred to a part on which an electrical joint is to be formed with high precision to form a joint causing no electrical connection failure.

Abstract: A multilayer sliding material for high-speed engine, comprising a steel back metal, a Cu or Cu-base alloy plating layer, a Cu-Pb bearing alloy layer, and an overlay, said steel back metal having 155 or more of Vickers hardness and 42 kgf/mm.sup.2 or more of 0.2% yield strength, a Cu-Pb bearing alloy layer containing 15-30 wt % of Pb and 0.5-2.0 wt % of Sn and having 0.25 cal/cm.s..degree. C. or more of thermal conductivity, 75 or more of Vickers hardness and 18 kgf/mm.sup.2 or more of tensile strength, said overlay of a lead base alloy containing 2-8 wt % of Sn and 3-11 wt % of In and having more than 250.degree. C. of melting start temperature. The material has a superior antiseizure property at high speed of engine. In particular, the rising of the melting start temperature of the metal of the overlay and the thermal conductivity of the bearing alloy provides a superior sliding property of plain bearing at high speed of engine.

Abstract: Disclosed is to improve corrosion resistance of rare-earth-element (RE)/transition-metal system permanent magnets by means of surface treatment, the magnets containing one or more of RE comprising yttrium, transition metals mainly comprising Fe. A conductive underlayer is formed on the surface of the magnet, on which an electroplated (hereinafter referred to as e-) Cu layer with the average crystal grain size not larger than 0.9 .mu.m is further formed. The underlayer may be any of an e-Ni layer, an electroless-plated Cu layer, an e-Cu layer by a cyanic Cu bath and another e-Cu layer by a bath of an alkaline organic acid salt of Cu containing phosphoric ester as a primary ingredient. A protective layer may be formed on the e-Cu layer, which is any of an e-Ni layer, an electroless-plated Ni-P layer, an e-Ni-alloy layer. The e-Cu layer is formed with a Cu pyrophosphate bath.

Abstract: The present invention provides a multilayer composite sliding material with excellent seizure resistance property having a steel plate or a steel plate having surfaces plated with copper or the like; a bond layer having a thickness of 0.05 to 0.5 mm, formed on the steel plate, and made of a sintered powder material consisting of 5 to 16% Sn, 0 to 15% Pb, 0 to 0.5% P and balance essentially Cu; and an alloy layer having a thickness of 0.1 to 1.0 mm, formed on the bond layer, and made of a sintered powder material consisting of 5 to 16% Sn, 1 to 12% MoS.sub.2 and balance essentially Cu. In a modified form of the alloy layer, not more than 20% Pb, not more than 1% P or not more than 12% Ni may be added. MoS.sub.2 powder may be coated with Cu or Ni.

Abstract: An aluminum alloy composite sheet is described for use in brazing. It includes an aluminum alloy core sheet clad on at least one face thereof with a sheet of aluminum or aluminum alloys including those containing magnesium. The composite sheet is useful for brazing when the cladding is coated with a mixture of (i) metal particles, e.g. silicon, capable of forming a eutectic alloy with aluminum and (ii) brazing flux, e.g. a potassium fluoro-aluminate. To be effective for brazing, the magnesium must be present in such quantity that at the time of brazing, the surface being brazed contains less than 0.1% by weight magnesium.

Abstract: A high precision transfer lamination plate/mandrel is fabricated in a sanch construction design wherein an inner core is constructed of a low coefficient of thermal expansion (CTE) comprised of an iron-nickel alloy core member (e.g., Kovar or Invar) with stainless steel cladding on each side of the core member. The stainless steel is selected from AISI type 302, 304, or 316. The stainless steel cladding outer surface of the top and bottom plate to which an electroplated copper foil circuitry is applied must be free of pits, scratches, and defects so as to yield a continuous circuitry satisfactory for military electronics. A matched (CTE) of the transfer lamination plate/mandrel with a composite material to which the electronic circuitry is transferred results in adherence of the copper circuitry minimally to the plate/mandrel to avoid blistering and enables the transfer to be achieved without distortion of circuitry features due to CTE mismatch.