Abstract: A linear friction welding method capable of accurately controlling a welding temperature and capable of lowering the welding temperature is provided. The present invention is a linear friction welding method comprising: a first step of forming a welded interface by bringing one member into contact with the other member; a second step of repeatedly sliding one member and the other member on the same locus and discharging flash from the welded interface in a state where pressure is applied substantially perpendicularly to the welded interface; and a third step of forming a welded surface by stopping the sliding and setting the pressure to be not less than the yield stress and not more than the tensile strength of one member and/or the other member at a desired welding temperature.

Abstract: A metal cutting tool includes a main body made of cemented carbide, cermet, ceramic, steel or high-speed steel, and a multi-layer wear protection coating. The wear protection coating includes a lower layer having an overall composition of Tim Al(1-m) N with 0.25<m<0.55 and an overall thickness of 500 nm to 3 ?m. The lower layer has 50 to 600 pairs of alternately stacked sub-layers in a sequence (A-B-A-B- . . . ) and having a composition Tia Al(1-a) N with 0.45?a?0.55 and a thickness of 1 nm to 10 nm. The upper layer has 30 to 400 triples of alternately stacked sub-layers in a sequence (C-D-E-C-D-E- . . . ). The sub-layers of the upper layer have a composition Tix AlySizN with x+y+z=1 and 0.20?x?0.45, 0.20?y?0.45 and 0.20?z?0.45 and a thickness of 1 nm to 10 nm.

Abstract: A method for producing an at least partially housed semiconductor wafer is provided. This method comprises the steps of providing a semiconductor wafer which has components on its upper face and providing a cover disc, the surface of which at least partially covers the semiconductor wafer. After functionalizing the surface of the cover disc to form a functional layer, the upper face of the semiconductor wafer and the surface of the cover disc are joined together, followed by activating the functional layer using simultaneous chemical bonding of the semiconductor wafer and the cover disc such that the cover disc forms a housing for the semiconductor wafer.

Abstract: A multi-plate oil cooler with high joining strength with an inner fin while suppressing a usage amount of a nickel brazing filler, even when ferrite-based stainless steel with low wettability for a nickel brazing filler is used for a plate is provided. A plate made from a ferrite-based stainless steel plate and an inner fin made from a pure iron plate or a carbon steel plate are joined with a nickel brazing filler to form a multi-plate oil cooler. In general, a structure body is provided wherein a ferrite-based stainless steel and pure iron or a carbon steel are joined with a nickel brazing filler.

Abstract: Disclosed golf club head bodies are cast of 9-1-1 titanium with the face plate being cast as a unitary part of the body along the with crown, sole, skirt and hosel. Due to the 9-1-1 titanium material, the face plate and other portions of the body can have a reduced alpha case thickness and resulting greater durability. This can eliminate the need to reduce the alpha case thickness using hydrofluoric acid or other dangerous chemical etchants. Casting methods can include preheating the casting mold to a lower than normal temperature, to further reduce the amount of oxygen transferred from the mold to the 9-1-1 titanium during casting.

Abstract: According to aspects of the present disclosure, a method includes selecting a faying surface of a first metal substrate, placing a reaction material on the faying surface, and attaching, prior to a second metal substrate being adjacent the first metal substrate, the reaction material to the faying surface via ultrasonic welding. The reaction material is configured to form a metallurgical joint between the faying surface and the second metal substrate adjacent the first metal substrate.

Abstract: A titanium alloy material for exhaust system parts excellent in oxidation resistance and cold workability able to be used for an exhaust manifold, exhaust pipe, catalyst device, muffler, or other part characterized by containing, by mass %, Cu: 0.5 to 1.5%, Sn: 0.5 to 1.5%, Si: 0.1% to 0.6%, O: 0.1% or less, and Fe: 0.15% or less, and a balance of Ti and impurities, having a total of the contents of Cu and Sn of 1.4 to 2.7%, and having a total of the volume rates of the ?-phases and Ti—Cu and Ti—Si intermetallic compounds of 1.0% or less.

Abstract: A wearable device made by amorphous alloy with antibacterial function includes a functional part adapted for implementing using functions of the wearable device; and an amorphous alloy housing configured out of the functional part and adapted for cladding the functional part to prevent the functional part from directly contacting with a user. Since the wearable device has the amorphous alloy housing covering on the functional part, thus the amorphous alloy housing rather than the functional part will contact with the user skin directly. As the amorphous alloy has excellent bactericidal capability, thus user wearing such a wearable device will get a good user experience.

Abstract: A plasma treatment device having an electrode arrangement (3) for generating a plasma in a supplied gas stream. The electrode arrangement has at least one movably mounted electrode. The plasma is preferably a cold atmospheric pressure plasma and can be generated so as to vary in location by means of movement of the at least one electrode.

Abstract: A titanium aluminide application process and article with a titanium aluminide surface are disclosed. The process includes cold spraying titanium aluminide onto an article within a treatment region to form a titanium aluminide surface. The titanium aluminide surface includes a refined gamma/alpha2 structure and/or the titanium aluminide is cold sprayed from a solid feedstock of a pre-alloyed powder.

Abstract: A manufacturing method of a TiAl joined body includes: an arranging step and a heating step. The arranging step is a step of arranging a plurality of members which contains a TiAl intermetallic compound and insert materials which contain Ti as a major element, Cu and Ni such that each of the insert materials is inserted between two adjacent members of the plurality of members. The heating step is a step of heating the plurality of members and the insert materials in a non-oxidizing atmosphere at a temperature above melting points of the insert materials and below melting points of the plurality of members.

Abstract: An airfoil blade of a gas turbine engine includes a root configured for mating attachment with a cooperating rotor hub and an airfoil extending away from the root. The root is composed of a first metal and has a nanocrystalline metal coating, composed of a second metal, over at least a portion thereof. A method of protecting such a blade by applying a nanocrystalline metal coating to a portion of the blade root is also disclosed.

Abstract: Disclosed is a titanium fuel cell separator having excellent conductivity and durability. In the disclosed titanium fuel cell separator (10), a carbon layer (2) is formed on the surface of a substrate (1) formed from pure titanium or a titanium alloy. The carbon layer (2) comprises graphite which is orientated so as to be parallel to the (002) plane of the carbon layer (2). The deposition amount of the carbon layer (2) is at least 2 ?g/cm2.

Abstract: Substrates for joints for orthopaedic implants are described, wherein at least one of the sliding surfaces of non-ferrous metal alloys, in particular of cobalt, chromium, molybdenum alloys, has a coating consisting of niobium nitride nanolayers alternating with chromium nitride nanolayers, the lot being protected by a chromium nitride microlayer.

Abstract: The present invention discloses a hierarchical composite material comprising a ferrous alloy reinforced with titanium carbides according to a defined geometry, in which said reinforced portion comprises an alternating macro-microstructure of millimetric areas concentrated with micrometric globular particles of titanium carbide separated by millimetric areas essentially free of micrometric globular particles of titanium carbide, said areas concentrated with micrometric globular particles of titanium carbide forming a microstructure in which the micrometric interstices between said globular particles are also filled by said ferrous alloy.

Abstract: A slide member is provided with a base material, a plated slide layer and an intermediate plated layer. The plated slide layer contains a solid lubricant. The intermediate plated layer is disposed between the base material and the plated slide layer, the intermediate plated layer increasing cohesion of the base material and the plated slide layer. The plated slide layer has a content of the solid lubricant in a range from 30 to 70 vol %, inclusive.

Abstract: A method for solid state bonding of a plurality of metallic layers and devices made by that method are disclosed. First and second metallic layers are solid state bonded utilizing a protective coating on the non-bonded surfaces that engage the pressure applying appliance to prevent the surfaces from adhering to the pressure applying appliance and to protect the surfaces from imprinting during the bonding process. The invention can be used to fabricate micro-channel devices with smooth outer surfaces and eliminate mold release compounds utilized in conventional bonding procedures.

Abstract: Multilayer material comprising a zirconium-based substrate covered with a multilayer coating, the multilayer coating comprising metallic layers composed of identical or different substances chosen from chromium, a chromium alloy or a ternary alloy of the Nb—Cr—Ti system. Such a material has improved resistance to oxidation in accident conditions of a nuclear reactor. The invention also relates to a multilayer coating, a part composed wholly or partly of the multilayer material or of the multilayer coating, as well as the method for manufacturing the multilayer material such as for example a magnetron cathodic sputtering process.

Abstract: Disclosed is a process for producing a wear-resistant layer, in particular on components of gas turbines or aero engines. The process comprises providing a component with a titanium material on at least part of a surface on which the wear-resistant layer is to be produced, applying a solder formed from a cobalt base material to the titanium material, soldering the solder to the titanium material by applying heat and producing at least one diffusion zone between solder and titanium material which comprises intermetallic phases.

Abstract: A manufacturing method of a TiAl joined body includes: an arranging step and a heating step. The arranging step is a step of arranging a plurality of members which contains a TiAl intermetallic compound and insert materials which contain Ti as a major element, Cu and Ni such that each of the insert materials is inserted between two adjacent members of the plurality of members. The heating step is a step of heating the plurality of members and the insert materials in a non-oxidizing atmosphere at a temperature above melting points of the insert materials and below melting points of the plurality of members.

Abstract: The present application provides an ultrathin shielding film of high shielding effectiveness, comprising two or more solid shielding layers. An electrically-conductive adhesive layer is coated onto the outer surface at one side of the solid shielding layers, and one or more insulation film layers are formed on the outer surface at the other side of the solid shielding layers. A carrier film layer is provided on the outer surface of the insulation film layers. A protective film covers the lower surface of the electrically-conductive adhesive layer. The present application further discloses a manufacturing method of an ultrathin shielding film of high shielding effectiveness.

Abstract: Disclosed are methods of processing an object, the object being made of a metal or an alloy, the object having a plurality of open cavities, the method comprising: performing a sealing process on the object to seal the openings of the open cavities, thereby forming a plurality of closed cavities; and reducing the sizes of the closed cavities by performing a consolidation process on the object having the closed cavities. Sealing process may comprise shot peening or coating the object. A consolidation process may comprise a hot isostatic pressing process. The sizes of the closed cavities may be reduced until the closed cavities are no longer present in the object.

Abstract: An aluminum bonding alloy is an Ni—Mg alloy for bonding aluminum and a non-aluminum metal selected from steel, copper, nickel or titanium. The Ni—Mg alloy consists essentially of 0.08-0.90 mass % Mg, and the balance of Ni and inevitable impurities. A clad material includes a non-aluminum metal layer made of the non-aluminum metal and a bonding alloy layer made of the aluminum bonding alloy. The non-aluminum metal layer and the bonding alloy layer are bonded together by pressure welding and diffusion bonding.

Abstract: It is an object to provide a surface-treated steel sheet which contains no Cr, which is excellent in wet resin adhesion, and which can be used as an alternative to a conventional tin-free steel sheet and to provide a resin-coated steel sheet produced by coating the surface-treated steel sheet with resin. A surface-treated steel sheet including an adhesive layer which is disposed on at least one surface of the steel sheet and which contains Ti and at least one selected from the group consisting of Co, Fe, Ni, V, Cu, Mn, and Zn, the ratio of the total amount of Co, Fe, Ni, V, Cu, Mn, and Zn to the amount of Ti contained therein being 0.01 to ten on a mass basis, and a method for producing the surface-treated steel sheet.

Abstract: A cold spray barrier coated component of a semiconductor plasma processing chamber comprises a substrate having at least one metal surface wherein a portion of the metal surface is configured to form an electrical contact. A cold spray barrier coating is formed from a thermally and electrically conductive material on at least the metal surface configured to form the electrical contact of the substrate. Further, the cold spray barrier coating may also be located on a plasma exposed and/or process gas exposed surface of the component.

Abstract: Disclosed are pretreatment compositions and associated methods for treating metal substrates with pretreatment compositions, including ferrous substrates, such as cold rolled steel and electrogalvanized steel. The pretreatment composition includes: (a) a group IIIB and/or IVB metal; (b) free fluorine; (c) a source of aluminum ions; and (d) water. The methods include contacting the metal substrates with the pretreatment composition.

Abstract: A strip product consists of a metallic substrate, such as stainless steel, and a coating, which in turn comprises at least one metallic layer and one reactive layer. The coated strip product is produced by providing the different layers, preferably by coating, and thereafter oxidizing the coating to accomplish a conductive surface layer comprising perovskite and/or spinel structure.

Abstract: A ceramic electronic component includes a first dielectric layer, a second dielectric layer, and a boundary reaction layer. The first dielectric layer is a layer containing BaO, Nd2O3, and TiO2, the second dielectric layer is a layer containing a material different from the material of the first dielectric layer, and the boundary reaction layer is a layer formed between the first dielectric layer and the second dielectric layer and containing at least one of Zn, Ti, Cu, and Mg.

Abstract: A method for applying a wear protection layer to a continuous flow machine component which has a base material comprising titanium is provided. The method includes the following steps: mixing a solder which comprises an alloy comprising titanium and particles which are distributed in the alloy and have a reaction agent; applying the solder to predetermined points of the continuous flow machine component; introducing a heat volume into the solder and the continuous flow machine component so that the alloy becomes liquid and the reaction agent changes through diffusion processes with the solder and undergoes a chemical reaction with the alloy, forming a hard aggregate; and cooling the solder so that the alloy becomes solid.

Abstract: Compositions are provided that exhibit an austenitic nickel microstructure. The compositions comprise Ni, Cr, Mo and at least one element selected from the group consisting of Al, Si, and Ti. Feedstock having the composition may be in the form of a cored wire or wires, a solid wire or wires, or a powder.

Abstract: An coated article includes a substrate; and a coating deposited on the substrate, wherein the coating is a titanium layer mixed with a first element and a second element, M is at least one element selected from a group consisting of iron, cobalt, nickel, copper, niobium, hafnium and tantalum; R is at least one element selected from a group consisting of scandium, yttrium and lanthanide.

Abstract: A surface-treated steel plate obtained by forming, on at least one surface of the steel plate by cathodic electrolysis, a surface-treating film which contains a mixed oxide of an oxide of Fe and at least one of an oxide of Zr or an oxide of Ti, and a polycarboxylic acid, the amount of Zr or Ti, or the total amount of Zr and Ti if both of them are present, being from 3 to 300 mg/m2 and the amount of C being from 0.1 to 5.0 mg/m2.

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 sintered cermet of a rotary tool has a hard phase with a first hard phase and a second hard phase comprising a carbide, a nitride, and a carbonitride of at least one of group 4, 5, and 6 metals of the periodic table of which metals the metal titanium is a main component. The result of an X-ray diffraction measurement in a surface region of the sintered cermet provides a first peak intensity Ib on a high angle side that is attributable to a (220) plane of the first hard phase and a second peak intensity Ia on a low-angle side that is attributable to a (220) plane of the second hard phase, and an intensity ratio Ib/Ia of the first peak intensity Ib to the second peak intensity Ia is in the range of 0.5 to 1.5.

Abstract: Disclosed is a TiAgN coating layer, which is coated by plasma coating method using nitrogen gas, a Ti source and a Ag source, the coating layer comprising Ag in the coating layer at an amount of about 15 at % or more, a TiAgN coating method, and a TiAgN coating apparatus therefor.

Abstract: Provided is an aluminum or aluminum alloy material having a surface treatment coating film on a surface of a substrate formed by an aluminum or aluminum alloy. The aluminum or aluminum alloy material has: a substrate formed by an aluminum or aluminum alloy; and a first protective layer and a second protective layer in the order on a surface of the substrate, wherein the first protective layer is a conversion coating film including vanadium and at least one or more types of metals selected from titanium, zirconium, and hafnium, the second protective layer is an organic coating film having a composition that includes (1) a chitosan derivative and a solubilizing agent, (2) a modified polyvinyl alcohol formed by graft polymerization of a hydrophilic polymer to a side chain of polyvinyl alcohol, and (3) a water-soluble crosslinking agent.

Abstract: The present invention relates generally to jewelry articles comprising a substrate and a metallic, external coating.

Abstract: The present invention relates generally to a coated jewelry article or a coated component of a jewelry article, comprising a jewelry article or a component of a jewelry article, a first metallic coating, and a second metallic coating.

Abstract: Bipolar wave current, is used to electrodeposit a nanocrystalline grain size. Polarity Ratio is the ratio of absolute value of time integrated amplitude of negative and positive polarity current. Grain size can be controlled in alloys of two or more components, at least one of which is a metal, and at least one of which is most electro-active. Typically, the more electro-active material is preferentially lessened during negative current. Current density, duration of pulse portions, and bath composition are determined with reference to relations showing grain size as a function of deposit composition, and deposit composition as a function of Polarity Ratio, or a single relation showing grain size as a function of Polarity ratio. A specified size can be achieved by selecting a corresponding Polarity Ratio. Coatings can be layered, each having an average grain size, which can vary layer to layer and also graded through a region.

Abstract: A method of manufacturing an orthopaedic implant device having a porous outer surface is described. In one embodiment, the implant device includes a porous layer, an intermediate layer, and a solid substrate. The porous layer is preferably bonded to the intermediate layer by cold isostatic pressing. The intermediate layer is preferably bonded by vacuum welding to the solid substrate such that the porous layer forms at least a portion of the outer surface of the orthopaedic implant device. Preferably, a diffusion bond is created between the bonded intermediate layer and the solid substrate by hot isostatic pressing. In another embodiment, a porous layer is created on an outer surface of a solid layer by selective melting. Preferably, the solid layer is bonded to the solid substrate such that the porous layer forms at least a portion of the outer surface of the orthopaedic implant device.

Abstract: A first material with a known maximum temperature of operation is coated with a second material on at least one surface of the first material. The coating has a melting temperature that is greater than the maximum temperature of operation of the first material. The coating is heated to its melting temperature until the coating flows into any cracks in the first material's surface.

Abstract: An article of manufacture and a process for making the article by generating corrosion-, heat- and abrasion-resistant ceramic coatings comprising titanium and/or zirconium dioxide using direct and alternating current on anodes comprising aluminum and/or titanium. Optionally, the article is coated with additional layers, such as paint, after deposition of the ceramic coating.

Abstract: The method according to the invention comprises the following operations: a) prepare a substrated formed of the said intermetallic alloy; b) deposit a coating of gold on the surface to be protected of the substrate; and c) subject the substrate thus equipped with the gold coating to annealing in controlled conditions in order to bring about limited diffusion of the gold into the surface to be protected. The invention is applicable in particular to parts of gas turbines, e.g. parts of aircraft engines.

Abstract: A method for bonding a porous tantalum structure to a substrate is provided. The method comprises providing a substrate comprising cobalt or a cobalt-chromium alloy; an interlayer consisting essentially of at least one of hafnium, manganese, niobium, palladium, zirconium, titanium, or alloys or combinations thereof; and a porous tantalum structure. Heat and pressure are applied to the substrate, the interlayer, and the porous tantalum structure to achieve solid-state diffusion between the substrate and the interlayer and between the interlayer and the porous tantalum structure.

Abstract: A method for bonding a porous tantalum structure to a substrate is provided. The method comprises providing a substrate comprising cobalt or a cobalt-chromium alloy; an interlayer consisting essentially of at least one of hafnium, manganese, niobium, palladium, zirconium, titanium, or alloys or combinations thereof; and a porous tantalum structure. Heat and pressure are applied to the substrate, the interlayer, and the porous tantalum structure to achieve solid-state diffusion between the substrate and the interlayer and between the interlayer and the porous tantalum structure.

Abstract: An active solder is revealed. The active solder includes an active material and a metal substrate. There are two kinds of active materials, titanium together with rare earth elements and magnesium. The metal substrate is composed of a main component and an additive. The main component is tin-zinc alloy and the additive is selected from bismuth, indium, silver, copper or their combinations. The active solder enables targets and backing plates to be joined with each other directly in the atmosphere. The target is ceramic or aluminum with low wetting properties. The bonding temperature of the active solder ranges from 150° C. to 200° C. so that the problem of thermal stress can be avoided.

Abstract: An article includes a microscale composite material having a matrix with titanium boride particles configured to form an insert in a metallic mass being comprised of material other than a consolidated titanium-based metallic composition having titanium particles.

Abstract: A material composite has at least one region of copper or a copper alloy, at least one region of a predominantly graphitic material, and at least one boundary region between them. The boundary region has one or more carbides from the group of the IVb, Vb, VIb transition metals and one or more elements of the group consisting of Si, B, Al, Ge, Mn, Sn. In a preferred implementation of the invention, the composite is produced with a back-casting process.

Abstract: A lid for a crystal growth chamber crucible is constructed by forming arcuate sector-shaped portions and coupling them in abutting relationship, for example by welding, to form an annular profile fabricated lid. The arcuate sector-shaped portions may be formed and removed from a lid fabrication blank with less waste than when unitary annular lids are formed and removed from a similarly sized fabrication blank. For example, the sector-shaped portions may be arrayed in an undulating pattern on the fabrication sheet.

Abstract: A ceramic-metal composite includes a ceramic substrate, an active metal brazing alloy layer, and a metal plate bonded to the ceramic substrate through the active metal brazing alloy layer disposed therebetween. The active metal brazing alloy layer contains a transition metal that is at least one element selected from Group-8 elements specified in the periodic table. According to the above configuration, the following composite and device can be provided: the ceramic-metal composite that exhibits high bonding strength, heat cycle resistance, durability, and reliability even if the ceramic-metal composite is used in a power module and a semiconductor device including the ceramic-metal composite.