Abstract: A friction welded joint structure includes friction welded dissimilar first and second metallic materials. The first metallic material has a rigidity greater than the second metallic material. The angle of the first metallic material to a free edge of the first metallic material, at an end portion of a joined surface between the first and second metallic materials, is greater than or equal to 120 degrees or in the range of from 55 degrees to 85 degrees. A reaction layer between the first and second metallic materials is more than zero and less than or equal to 20 &mgr;m. The first metallic material is copper. The second, which has the smaller rigidity, is aluminum.

Abstract: A liquid interface diffusion bonded composition comprises a metal honeycomb core such as a titanium honeycomb core and a metal facing sheet such as a titanium facing sheet bonded thereto. The composition is prepared by a method comprising: (a) providing a metal honeycomb core having a faying surface and a metal facing sheet having a faying surface; (b) placing together the honeycomb core faying surface and the facing sheet faying surface, and providing therebetween a metal foil typically formed by a rapid solidification process or a melt spinning process, with the metal foil comprising about 10.5-12.5 wt. % zirconium, about 20-24 wt. % copper, about 10.5-16 wt. % nickel, and the balance being titanium; (c) subjecting the faying surfaces and metal foil therebetween to sufficient positive pressure to maintain position and alignment for joining; and (d) heating the faying surfaces and metal foil therebetween in a protective atmosphere to a temperature in the range of 1700-1800 degrees F.

Abstract: An article is coated with a multi-layer decorative and protective coating having the appearance of stainless steel. The coating comprises one or more electroplated layers on the surface of said article and vapor deposited on the electroplated layers a stack layer containing layers of refractory metal or metal alloy alternating with layers containing refractory metal nitrogen containing compounds and refractory metal alloy nitrogen containing compounds wherein the nitrogen content of the refractory metal nitrogen containing compounds and refractory metal alloy nitrogen containing compounds is from about 3 to about 22 atomic percent.

Abstract: An article is coated with a multi-layer decorative and protective coating having the appearance of stainless steel. The coating comprises one or more electroplated layers on the surface of said article and vapor deposited on the electroplated layers a refractory metal nitride, refractory metal alloy nitride, or reaction products of refractory metal or refractory metal alloy, nitrogen and oxygen wherein the nitrogen content of the refractory metal nitride, refractory metal alloy nitride or reaction products of refractory metal or refractory metal alloy, nitrogen and oxygen is from about 3 to about 22 atomic percent.

Abstract: An article is coated with a multi-layer decorative and protective coating having the appearance of stainless steel. The coating comprises one or more electroplated layers on the surface of said article and vapor deposited on the electroplated layers a color layer comprised of the reaction products of refractory metal or refractory metal alloy, nitrogen and oxygen wherein the total nitrogen and oxygen content is from about 4 to about 32 atomic percent with the nitrogen content being at least about 3 atomic percent.

Abstract: Described is a method for producing a diffusion bonded sputtering target assembly which is thermally treated to precipitation harden the backing plate without compromising the diffusion bond integrity. The method includes heat treating and quenching to alloy solution and artificially age the backing plate material after diffusion bonding to a target. Thermal treatment of the diffusion bonded sputtering target assembly includes quenching by partial-immersion in a quenchant and is performed after diffusion bonding and allows for various tempers in the backing plate.

Abstract: An article is coated with a multi-layer coating comprising a nickel layer, a refractory metal layer, a sandwich layer comprised of a plurality of alternating layers of a refractory metal compound and a refractory metal Layer, and a refractory metal compound layer. The coating provides a decorative appearance to the article and also provides abrasion protection, corrosion protection, and improved chemical resistance.

Abstract: An article is coated with a multi-layer coating having the appearance of nickel. The coating comprises one or more electroplated layers on the surface of said article and vapor deposited on the electroplated layers a refractory metal or metal alloy nitride where the nitrogen content of said nitride is from about 6 to about 45 atomic percent.

Abstract: A method of producing an Nb—Sn compound superconducting wire precursor includes forming composite filament materials, each filament including a niobium material of an Nb-based metal and a titanium material of pure Ti enveloped in the niobium material; forming a composite rod in which composite filament materials are arranged in a matrix of a Cu-based metal but not in contact with one another, the matrix containing Sn diffused by heat treatment to combine with the niobium material to form a compound; and drawing the composite rod.

Abstract: Chrome, nickel, titanium or zirconium films; or combinations of those four metals, or a nitride, carbide or nitroxide of one of those four metals are deposited directly on unplated zinc or unplated zinc alloy substrates by physical vapor deposition in vacuum reactors. The nitroxides films have essentially the same colors as the nitrides but can have high electrical resistivities, transparency and other nonmetallic properties.

Abstract: A refractory metal intermetallic composition comprising titanium (Ti), hafnium (Hf), silicon (Si), aluminum (Al), chromium (Cr), germanium (Ge), tin (Sn), iron (Fe), and a balance of niobium (Nb) for use in composite structures having applications in turbine components.

Abstract: In a device for encapsulating blanks of metallic high temperature alloys, particularly TiAL alloys, which are subjected to forging or rolling for hot forming, at least a first inner envelope is supported on the blank in closely spaced relationship therefrom and a second envelope surrounds the first envelope and both envelopes consist of a metallic material.

Abstract: A kind of composite metal coil/plate includes one parent metal coil/plate and at least one clad metal coil/plate as well as an interlayer composed of atoms of a brazing filler, the parent metal and the clad metal. The interlayer is about 2-10 &mgr;m in thickness. The present invention also relates to a method of manufacturing composite metal coil/plate. The method comprises pre-cladding the parent and clad metal coils/plates as well as the brazing filler foil in an inert or reductive atmosphere at 850-1000° C., and hot rolling cladding the same under inert or reductive atmosphere at 900-1050° C. A composite metal plate is obtained after cooling.

Abstract: An article is coated with a multi-layer coating having the appearance of nickel. The coating comprises a polymeric layer on the surface of said article and vapor deposited on the polymeric layer a refractory metal nitride or refractory metal alloy nitride where the nitrogen content of said nitride is from about 6 to about 45 atomic percent.

Abstract: An antifouling member comprising a highly corrosion-resistant metal comprising titanium, zirconium, tantalum, niobium, or an alloy based on any of these metals and, deposited thereon, a coating layer of silver or a silver alloy so as to have a bonding strength as high as at least 0.2 MPa. The member can be prevented from marine organisms attaching thereto.

Abstract: An electrical conductor for use in an electronic structure is disclosed which includes a conductor body that is formed of an alloy including between about 0.001 atomic % and about 2 atomic % of an element selected from the group consisting of Ti, Zr, In, Sn and Hf; and a liner abutting the conductor body which is formed of an alloy that includes Ta, W, Ti, Nb and V. The invention further discloses a liner for use in a semiconductor interconnect that is formed of a material selected from the group consisting of Ti, Hf, In, Sn, Zr and alloys thereof, TiCu3, Ta1−XTix, Ta1−XHfx, Ta1−XInxy, Ta1−XSnx, Ta1−XZrx.

Abstract: A hydride battery electrode is coated with palladium or a palladium alloy to improve hydride storage properties and recycle characteristics. A hydrogen purification membrane including a metallic substrate likewise has improved properties upon coating with palladium and a surface species of an alkali metal, alkaline earth element or alkaline earth cation. Novel metal hydrogen purification membranes include vanadium alloyed with at least 1 to 20 atomic percent nickel and/or 1 to 20 atomic percent cobalt and/or 1 to 20 atomic percent palladium.

Abstract: The present invention relates generally to a joined structure of dissimilar metallic materials having different characteristics. More specifically, the invention relates to a joined structure of a current-carrying contact or arching contact which are used for, e.g., a power breaker, or a coating end structure of a metal base and a coating material for improving conductivity and heat resistance.

Abstract: A Cu plated ceramic substrate is used in a semiconductor. On a ceramic substrate layer, a thin-film Cr layer is put, and a thin-firm Au layer is put on the Cr layer. The Au layer is plated with Cu. By providing the Au and Cr layers between the ceramic plate and Cu layer, adhesibility is increased. A Pertier element which includes the Cu plated ceramic layer is employed in a semiconductor to absorb and generate heat efficiently.

Abstract: A protective layer for load-transferring contact surfaces of gas turbine components, especially titanium turbine components is capable to take up alternating loads at higher temperatures. The protective layer is formed of an alloy having the following composition in percent by weight: aluminum (Al) 4-8%; chromium (Cr) 2-5%; iron (Fe) 0-3.5%; and copper (Cu) remainder.

Abstract: A titanium aluminide turbine blade (10) includes an aerofoil (12), a platform (14) and a root (16). A protective coating (2) is applied to the aerofoil (12) and the platform (14) of the turbine blade (10). The protective coating (2) comprises austenitic stainless steel. A chromium oxide layer (22) is formed on the protective coating (2). The protective coating (20) and chromium oxide layer (22) provides oxidation and sulphidation resistance for the titanium aluminide article (10).

Abstract: A Cu-containing Nb3Al multifilamentary superconductive wire having a multifilamentary (superfine multi-core structure that a large number of micro-complex cores each obtained by complexing a Cu—Al alloy containing Cu in an amount of more than 0.2 at. % and at most 10 at. % in Nb are embedded in Nb, Ta, an Nb alloy or a Ta alloy as a matrix, wherein in the micro-complex cores, an A15 phase compound structure is formed by rapid heating at a temperature of 1,700° C. or more for 2 seconds or less and quenching to approximately room temperature, and further additionally heat-treated at a temperature of 650 to 900° C. This superconductive wire has high Jc in a low magnetic field, can be applied to all magnetic fields of 29 T or less, and is excellent in Jc characteristics in a high magnetic field in comparison with an Nb3Al wire.

Abstract: Sputter-deposited TiW film interposed between a magnetic layer and a nitrogen-containing overcoat of a magnetic recording medium significantly reduces the migration of nitrogen from the overcoat to the magnetic layer, thereby improving the magnetic recording performances of the magnetic recording medium.

Abstract: An article is coated with a multi-layer coating comprising a nickel layer, a refractory metal layer, and a refractory metal compound layer. The coating is decorative and also provides abrasion protection and corrosion protection.

Abstract: Electronics packages having a primary metallic material, such as a titanium metallic material, metallurgically bonded to one or more secondary regions within the primary metallic material, the composite regions having desirable thermal conductivity properties and having a coefficient of thermal expansion (“CTE”) that generally matches the CTE of the primary metallic material are provided. Electronics packages comprising titanium having heat sinks comprising a metal matrix material such as aluminum silicon carbide or a composite metallic structure such as titanium aluminide/copper, are described. Methods for manufacturing electronics packages having a composite structure are also disclosed.

Abstract: An alloy of zirconium and niobium that includes erbium as a consumable neutron poison, its method of preparation and a component comprising said alloy are provided. This invention relates to an alloy of zirconium and niobium that includes erbium as a consumable neutron poison. The invention also relates to a method for the preparation and conversion of said alloy and a component comprising said alloy. Such an alloy is particularly intended for the manufacture of cladding and/or other elements or structural components of fuel assemblies for nuclear reactors using water as coolant.

Abstract: A multi-element composite object composed from first, second, and third metal components is provided, wherein the first metal and the third metal are weld incompatible. The multi-element composite object includes a first component fabricated from a first metal. A second component, fabricated from a second metal, is brazed to the first component. A third component, fabricated from a third metal, is inertia welded to the second component. The first metal may be provided as a titanium alloy, e.g. a TiNi alloy. The second metal may be provided as low-carbon mild or alloy steel. The third metal may be provided as alloy steel, e.g., 9310 nickel alloy steel. In an embodiment, the multi-element composite object is a gear assembly, with the first element of the gear assembly object being a shaft and the third element of the gear assembly being a gear member with hardened teeth surfaces. The first and second components can be mechanically keyed together via an anti-rotational element.

Abstract: An Nb—Sn compound superconducting wire precursor comprising a matrix of a Cu-base metal, a plurality of composite filaments each composed of a niobium layer of an Nb-base metal and a titanium layer of pure Ti formed so as to be enveloped in the inside of the niobium layer, and Sn diffused in the matrix by heat treatment so as to be combined with the niobium layer to form a compound, the plurality of composite filaments being embedded in the matrix so as not to be in contact with one another.

Abstract: The present invention relates to a process for vapor-depositing zirconium dioxide on ceramic or metallic substrates, and the heat-insulating layers obtainable by such process.

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: A hydrogen storage material (1) having excellent hydrogen storage capability and having such a low hydrogen desorption temperature as not to significantly hinder the use thereof, and also capable of being mass-produced, and a manufacturing method of the same can be obtained. The hydrogen storage material has a layered deformation structure including plastic deformation, and one layer (2) of the layered deformation structure is formed from an alloy or compound including an element of groups 2A, 3A and 4A or an element of at least one of the groups 2A, 3A and 4A, and another layer (3) being in contact with the one layer is formed from an alloy or compound including an element of groups 6A, 7A and 8A or an element of at least one of the groups 6A, 7A and 8A.

Abstract: A composite structure comprising a body having a surface and cladding covering at least a part of said surface of the body and being in intimate contact with the surface. The body and cladding are formed of different materials.

Abstract: A metal fiber of titanium or titanium alloy has given equivalent area diameter and specific surface area and is produced by a bundle drawing method wherein mild steel is used as a material for covering layer and outer housing and a composite wire is subjected to a heat treatment at a given temperature.

Abstract: A reduced CTE composite structure is made by providing a matrix material whose CTE is to be reduced, adding negative CTE bodies to the matrix material and mechanically coupling the matrix material to the negative CTE bodies as by deforming the composite structure. A preferred application is to make an improved composite material for use as a heat sink for semiconductor substrates with a minimum of thermal expansion mismatch.

Abstract: A multi-element composite object composed from first, second, and third metal components is provided, wherein the first metal and the third metal are weld incompatible. The multi-element composite object includes a first component fabricated from a first metal. A second component, fabricated from a second metal, is brazed to the first component A third component, fabricated from a third metal, is inertia welded to the second component . The first metal may be provided as a titanium alloy, e.g. a TiNi alloy. The second metal may be provided as low-carbon mild or alloy steel. The third metal may be provided as alloy steel, e.g., 9310 nickel alloy steel. In an embodiment, the multi-element composite object is a gear assembly, with the first element of the gear assembly object being a shaft and the third element of the gear assembly being a gear member with hardened teeth surfaces. The first and second components can be mechanically keyed together via an anti-rotational element.

Abstract: An ice skate blade is provided which has improved fracture toughness, strength, corrosion resistance, and wear resistance, while at the same time being lighter weight than other materials of manufacture.

Abstract: A metal fiber of titanium or titanium alloy has given equivalent area diameter and specific surface area and is produced by a bundle drawing method wherein mild steel is used as a material for covering layer and outer housing and a composite wire is subjected to a heat treatment at a given temperature.

Abstract: An object of the present invention is to provide a sliding member which is coated a film having superior wear resistance, superior scuffing resistance and a superior property not to increase an amount of wear on an opponent material (an opponent attacking property). This object can be achieved by providing a sliding member coated by a Cr—B—N alloy film 4 on an outer surface 3 thereof. In this case, it is preferable that the Cr—B—N alloy film is formed through a physical vapor deposition, particularly ion plating, vacuum deposition, or sputtering. Further, it is preferable that the boron (B) content is within the range of 0.05-20 wt.%.

Abstract: An article having deposited on at least a portion of its surface a decorative and protective multi-layer coating comprising at least one nickel layer, a tin-nickel alloy layer, a chrome layer, and sandwich layer comprised of layers comprised of titanium or titanium alloy alternating with layers comprised of titanium compound such as titanium nitride or titanium alloy compound such as titanium nitride. The coating provides abrasion and corrosion protection to the underlying substrate and also protects the substrate from attack by chemicals such as acids and bases while being crack resistant and resistant to galvanic corrosion.

Abstract: An article is coated with a multi-layer coating comprising a nickel layer, a chrome layer, a refractory metal layer, preferably zirconium layer, a sandwich layer comprised of a plurality of alternating layers of a refractory metal compound and a refractory metal compound layer, preferably zirconium nitride layer, and a refractory metal oxide layer or a layer comprised of the reaction products of refractory metal, oxygen and nitrogen. The coating provides the color of polished brass to the article and also provides abrasion protection, corrosion protection, and improved acid resistance.

Abstract: The golden decorative part of the present invention comprises a substrate and, formed thereon according to a dry plating process, an outermost coating, which coating comprises gold and titanium or iron together with inevitable ingredients in specific proportions. A Ti coating formed in an inert gas other than nitrogen, containing inevitable ingredients may be disposed on the substrate, and a TiN coating may be disposed on the substrate or the Ti coating. The above golden decorative part having the outermost coating containing titanium does not cause allergic dermatitis, such as contact dermatitis, even if used in contact with the skin, and exhibits a uniform golden tone. Further, the above golden decorative part having the outermost coating containing iron is strikingly less likely to cause allergic dermatitis, such as contact dermatitis, even if used in contact with the skin, and exhibits a uniform golden tone.

Abstract: This invention concerns a method, materials, and products involving the joining of titanium aluminide to steel by welding each to an iron-based alloy interlayer or connecting piece. The interlayer can be friction welded to the steel and friction welded to the TiAl. The interlayer alloy can be an iron-based superalloy such as A-286. The friction welding of the TiAl to the interlayer can be done in three steps, each with increased pressure between the parts, with a total time of about 30 seconds. Joint strength of 412 MPa can be achieved for a 25.4 mm weld face diameter. The product can be a turbocharger rotor. The connecting piece (4) is composed of an alloy comprising the following composition in weight percent, Ni, less than or equal to 31.99, Fe, greater than 45.69, preferably, Ni, less than or equal to 30, Fe, greater than 50; and optimally, Ni, less than or equal to 28, Fe, greater than 52.

Abstract: Mechanical assembly of magnesium alloy with steel or titanium/titanium alloy parts. Because the two major metal parts in the assembly have incompatible ionization energies, a part made from aluminum or zinc alloy, the ionization energy of which in intermediary between the two, or an electric insulator intervenes to prevent electrolytic corrosion between them. Furthermore, clearances between the two major metal parts, owing for example to manufacturing tolerances, are injected with filler. The mechanical assembly may be employed in human-powered rotary machines such as spinning reels and bicycle components.

Abstract: Described is a method for producing a diffusion bonded sputtering assembly which is thermally treated to precipitation harden the backing plate without compromising the diffusion bond integrity. The method includes heat treating and quenching to alloy solution and artificially age the backing plate material after diffusion bonding to a target. Thermal treatment of the diffusion bonded sputtering target assembly includes quenching by partial-immersion in a quenchant and is performed after diffusion bonding and allows for various tempers in the backing plate.

Abstract: The invention provides a method of surface hardening a titanium material wherein titanium-aluminum alloy powders or aluminum oxide powders are brought into contact with the surface of the titanium material, and a heat treatment is applied thereto, causing aluminum contained in the powders to be diffused in the surface of the titanium material so that intermetallic compounds such as Ti3Al, TiAl, and the like are formed inmediately underneath the surface of the titanium material, thereby enhancing surface hardness without causing surface exfoliation. The invention also provides a surface-hardened titanium-base material, and decorative articles and watchcases, composed of the surface-hardened titanium-base material, which are substantially impervious to scratches, and not prone to cause metallic allergy.

Abstract: A PVD process for manufacturing a coating (16, 18, 20, 22, 23) on articles (12), in particular on articles which have a relatively low temperature resistance such as articles made of brass, zinc and plastic, including such with an electroplated coating, wherein a plurality of layers (16, 18, 20, 22) are built up by arc discharge vaporization to manufacture a colored coating insensitive to fingerprints and are selected in order to achieve a color by this kind of coating alone which corresponds as far as possible to the desired end color; and wherein a hard material cover layer (23) is applied to the layer structure by means of cathode or magnetron sputtering or by the simultaneous use of arc discharge vaporization and cathode or magnetron sputtering, said cover layer generating the final color and being limited to the smallest possible layer thickness, preferably to under 500 nm.

Abstract: An article is coated with a multi-layer coating comprising a nickel layer, a chrome layer, a refractory metal layer, a refractory metal compound layer, and a refractory metal oxide layer or a layer comprised of the reaction products of refractory metal, oxygen and nitrogen. The coating is decorative and also provides abrasion protection, corrosion protection, and improved chemical resistance.

Abstract: An Nb—Sn compound superconducting wire precursor comprising a matrix of a Cu-base metal, a plurality of composite filaments each composed of a niobium layer of an Nb-base metal and a titanium layer of pure Ti formed so as to be enveloped in the inside of the niobium layer, and Sn diffused in the matrix by heat treatment so as to be combined with the niobium layer to form a compound, the plurality of composite filaments being embedded in the matrix so as not to be in contact with one another.

Abstract: The application of polypropylene carbonate in solution to valve metal powders having relatively high surface area, then evaporating the solvent under static (non-agitating) conditions. The static drying of the coated valve metal powder produces a semi-solid cake which may be converted into a free-flowing powder via screening. Valve metal powders so-coated with polypropylene carbonate are particularly well-suited for the fabrication of powder metallurgy anode bodies used for the manufacture of electrolytic capacitors.

Abstract: Methods for hermetically sealing an interface surface of ceramic materials, such as zirconia, to an interface surface of metallic materials, such as titanium alloys, using a titanium-nickel alloy filler material are disclosed. Preferred ceramic materials include stabilized zirconia materials; preferred metallic materials include titanium-niobium alloys; and a preferred titanium-nickel filler material is a 50-50 titanium-nickel alloy. At least one of the interfaces is contacted by the titanium-nickel alloy filler material and sealing is accomplished under vacuum conditions at temperatures of from 900 to 1200° C. during application of pressure to the joint. The methods are especially suitable for use in hermetically sealing ceramic and metallic components for applications such as implantable medical devices, electrical connectors, electronic packages, sporting goods, structural components, and the like.