Abstract: A vane arc segment includes an airfoil piece that defines first and second platforms and an airfoil section that extends between the first and second platforms. The first platform defines a gaspath side, a non-gaspath side, and a first platform radial flange that projects from the non-gaspath side. Support hardware supports the airfoil piece via the first platform radial flange. A thermal insulation element is situated adjacent the first platform radial flange. The support hardware supports the airfoil piece through the thermal insulation element.

Abstract: A method includes spraying a coating on to an engine bore surface, honing the coated surface to create a honed surface region, and cleaning the honed surface region to remove material from the surface pores. The honed surface region includes a plurality of surface pores and upper, middle, and lower regions. Cleaning the honed surface region produces upper, middle, and lower region surface porosities, with the middle region porosity being greater than at least one of the upper and lower porosities.

Abstract: A method removes a fuel injector pole piece from bar stock and provides a cutoff tool having a first cutting surface and a second cutting surface separate from the first cutting surface. The pole piece and bar stock are caused to rotate about a longitudinal axis. The tool is advanced with respect to the pole piece so that the first cutting surface severs the pole piece from the bar stock and defines an unfinished end surface of the pole piece, with a certain cutting force being exerted on the tool. The tool is further advanced with respect to the pole piece so that the second cutting surface removes material from the unfinished end surface to define a finished end surface of the pole piece, with a cutting force on the tool being substantially less than the certain cutting force.

Abstract: A process of producing metal-decorating material, which causes no pollution to the environment and can be used both in industrial manner and handicrafts, for decorating article or process of decorating of various article surface, e.g., furniture, weapons, purse, box, small casket, etc. makes a pollenlike holder on at least one of the surface of a base metal plate and sets design creating material on said base metal surface by said pollen holder.

Abstract: The invention comprises semifinished products with a structured surface, the semifinished product comprising an oxidized and subsequently re-reduced surface containing at least one refractory metal, and also a process for their production and their use for producing high-capacitance components.

Abstract: The present invention relates to a coating material for the production of an anti-corrosion and/or adhesion promoter layer, which material comprises metal powder and a phosphate-ion-containing solution as the binder, the metal powder being at least partially coated with Si or Si alloys or the binder consisting of phosphoric acid and metal phosphates and being substantially free of chromates. The invention further relates to a method for producing an anti-corrosion and/or adhesion promoter layer, comprising the following steps: Providing a coating material, such as indicated above, applying the coating material to a component surface on which the anti-corrosion and/or adhesion promoter layer is to be created, and drying and/or hardening by way of a heat treatment at a first temperature.

Abstract: A coating method for producing a function layer on mechanically loaded components or surfaces includes providing or applying a first material layer of a first material or substrate matrix having a mechanical flexibility higher than that of a second material on a substrate constituting the component or the surface, respectively, structuring the first material layer such that the material layer surface of the first material layer, which is opposite to the substrate, obtains a three-dimensionally moulded basic structure with projections and recesses, and coating the material layer surface of the first material layer with a second material layer of the second material in such a way that the second material layer adopts substantially the basic structure of the material layer surface with the projections and recesses. Also, surface layer structures can be produced by this method.

Abstract: An electroless nickel plating solution and a method of using the same is described. The electroless nickel plating solution comprises (i) a source of nickel ions; (ii) a reducing agent; (iii) one or more complexing agents; (iv) one or more bath stabilizers; (v) a brightener, said brightener comprising a sulfonated compound having sulfonic acid or sulfonate groups; and (vi) optionally, one or more additional additives. The use of the sulfonated compound brightener results in a bright electroless nickel deposit on various substrates having a high gloss value.

Abstract: The present invention relates to a method for diffusion treatment of a coating on an engineering part resistant to marine climate, comprising: Step 1. pretreating the part; Step 2. preheating the part in a protective atmosphere furnace; Step 3. immersing the pre-heated part in a plating solution in a way that the part is rotated in the submerging process; Step 4. carrying out diffusion treatment, i.e., placing the immersion-plated part into a vacuum furnace, maintaining at 800 to 950° C. for 1 to 3 hours, and then cooling it down prior to discharge, such that atoms at an interface are diffused to form a diffusion layer on a substrate, achieving metallurgical bonding between the coating and the substrate. Treatment by the method of the present invention enables the part to have full resistance to corrosion and scouring erosion under marine climate.

Abstract: A method of processing an alloy workpiece to reduce thermal cracking may comprise spraying a metallic coating material onto at least a portion of a surface of the alloy workpiece to form a surface coating metallurgically bonded to the alloy workpiece. The surface coating may be more ductile than the alloy workpiece and reduces heat loss from the alloy workpiece.

Abstract: A titanium material for a polymer electrolyte fuel cell separator consists of, by mass %, a platinum group metal: 0.005% to 0.15% and a rare earth metal: 0.002% to 0.10%, with the balance being Ti and impurities. The titanium material of the present invention is provided with a film formed of a titanium oxide and a platinum group metal on the surface thereof. It is preferred that the film has a thickness of 50 nm or less, and that the concentration of the platinum group metal on the surface of the film is 1.5% by mass or more. With the thus formed film, the titanium material of the present invention is capable of achieving a reduction in initial contact resistance and ensuring good corrosion resistance. In the titanium material of the present invention, the rare earth metal is preferably Y, and the platinum group metal is preferably Pd.

Abstract: System and method of producing multi-layered aluminum alloy products are disclosed. A multi-layered aluminum alloy product may be formed by first heating a first aluminum alloy to a first temperature where the first temperature is at least about 5° C. lower than the eutectic temperature of the first aluminum alloy, second heating a second aluminum alloy to a second temperature where the second temperature is at least about 5° C. higher than the liquidus temperature of the second aluminum alloy, and coupling the second aluminum alloy to the first aluminum alloy to produce a multi-layered aluminum alloy product.

Abstract: A coating material includes: (A) a compound of formula (I) Ra4-nSiXan??(I), wherein: Xa is a hydrolysable radical; Ra is a non-hydrolysable radical; n is 2, 3 or 4; (B) a compound of formula (II) wherein: Xb is a hydrolysable radical; Rb is a non-hydrolysable radical without an epoxide function, an acryloxy function, a methacryloxy function and an isocyanate function; Yb is a non-hydrolysable radical with a crosslinkable function; p is 2 or 3; q is 1 or 2; the sum of p and q is less than or equal to 4; (C) a crosslinking agent; (D) an organozirconium, organotitanium or organoaluminum compound containing hydrolysable organic radicals; (E) a hydrolysis catalyst; (F) crosslinkable prepolymers of epoxy and epoxysiloxane resins, (G) optional corrosion inhibitors; (H) optional compounds for reducing the reactivity of component (D); wherein n and the sum of p +q are not at the same time each 4.

Abstract: This innovation is relevant to a surface preparation of pre-fabricated steel parts, able to guarantee an excellent contact between the surface to be coated, and the molten bath, based on a Zinc-alloy containing Aluminum between 0.01 and 0.1 wt %. In a greater detail this invention is related to a procedure for hot-dip coat steel parts with a Zn—Al-alloy, according to which the parts are properly pickled and then immersed into an aqueous flux solution containing ZnCl2, NH4Cl, Bi2O3, and KCl, at a pH between 0.1 and 1.5 and a temperature in the range 4 and 50° C., for an immersion time between 10 s and 10 minutes. Using the flux solution according to the present innovation, it is possible to coat discontinuously with a Zn—Al-alloy, parts fabricated either with plain Carbon steels either high-strength steels. Furthermore, steels known commercially as Sandelin or Iper-sandelin, may be also coated without surface defects and with a glossy appearance.

Abstract: The present invention relates to a method for improving the corrosion-protecting pre-treatment of metal surfaces and using rinse water in a manner to conserve resources in such a corrosion-protecting pre-treatment, comprising a conversion treatment step using an aqueous composition comprising at least 50 ppm of the elements B, Si, Ti, Zr and/or Hf in the form of water-soluble compounds at a pH value of 3 to 5.5, wherein a minimum fraction of 10 ppm of the elements B, Si, Ti, Zr and/or Hf in the form of water-soluble compounds is present in the last pre-rinse step and a portion of the aqueous composition of the conversion treatment step is contained in the first post-rinse step. The resource-conserving use of the rinse water is accomplished according to the invention by way of a cascaded return of rinse water from the last rinse step to the first rinse step.

Abstract: A method of manufacturing a cathode active material is provided. The method includes the step of precipitating step for providing a solution of a deposition component onto composite oxide particles including lithium Li and nickel Ni, removing a solvent from the solution on the composite oxide particles within a short time period, and precipitating the deposition component on surfaces of the composite oxide particles; and heating step for heating under an oxidation atmosphere the composite oxide particles with the deposition component precipitated on the surfaces.

Abstract: An object of the invention is to provide a plating pretreatment solution that can convert the surface of an aluminum substrate for hard disk devices into a surface suitable for electroless nickel plating, and a method for producing an aluminum substrate for hard disk devices using the same. The plating pretreatment solution of the present invention used for a plating pretreatment in production of an aluminum substrate for hard disk devices has an iron ion concentration of 0.1 g/l to 1.0 g/l and a nitric acid concentration of 2.0 wt % to 12.0 wt %. This plating pretreatment solution is used for a pretreatment of a plating step in which electroless nickel plating is applied to an aluminum substrate for hard disk devices.

Abstract: A method and apparatus for forming a hard disk drive base plate with a sequence of progressive forging operations is described. The method may include advancing an initial hard disk drive base plate cut from an extruded sheet through a plurality of stations of a transfer die assembly. The method may also include performing a sequence of forgings on the initial hard disk drive base plate to progressively form parts on a hard disk drive base plate.

Abstract: Disclosed are methods of treating a metal to improve the metal's corrosion resistance. The method includes applying, to the surface of the metal, a coating which comprises magnesium powder and a binder. The present invention also relates to a coating composition that includes magnesium powder and a silane modified epoxy isocyanate hybrid polymer or prepolymer. The inventors have found that corrosion resistance (as determined by Prohesion™ exposure in accordance with ASTM D5894-96, which is hereby incorporated by reference) in excess of 3,000 hours on 2024 T-3 aluminum alloy can be achieved with the methods and coating compositions of the present invention.

Abstract: Disclosed is a zirconium-based metal pretreatment coating composition that includes a metal chelator that chelates copper in the metal pretreatment coating composition and thereby improves adhesion of paints to a metal substrate coated with the pretreatment coating composition. The pretreatment coating composition has a longer pot life than one without the metal chelator and therefore can accommodate a wide latitude of application times. The chelating agent is present in a sufficient amount to ensure that in the deposited pretreatment coating on the metal substrate the average total atomic % of copper to atomic % of zirconium is equal to or less than 1.1. The pretreatment coating composition is useful for treating a variety of metal substrates.

Abstract: Disclosed is a surface treatment liquid containing no chromium compound, which is capable of imparting a zinc-based material with adequate corrosion resistance without coating, namely adequate bare corrosion resistance. Specifically disclosed is a surface treatment liquid for zinc-based metal materials, which contains the following component (A) and component (B): (A) at least one metal element selected from the group consisting of Ti, Zr and Hf; and (B) at least one compound selected from the group consisting of allylamino compounds, imino compounds, amino polysaccharides, amino-modified phenols and derivatives of them. The total concentration of the metal elements of the component (A) is 500-2000 mg/L, and the total concentration of the compounds of the component (B) is 300-3000 mg/L.

Abstract: A sliding member is produced by forming hardening layers with two-layered structure on surface of a substrate metal with a Vickers hardness of not more than Hv300, such as aluminum or magnesium alloy for example, and then forming a DLC film having surface roughness defined as maximum height roughness Rz of 1 to 10 ?m further on the hardening layers. The above-described hardening layers are composed of a first hardening layer dispersed with heavy metal particles, preferably made of tungsten and/or tantalum in the substrate metal, and a second hardening layer formed under the first hardening layer.

Abstract: A method for forming protective corrosive resistant coatings on equipment is disclosed. The coating is formed from a NiCrMo alloy composition containing at least two gettering components selected from Al, Si, and Ti in an amount of up to 25 wt. %. The coating in one embodiment is applied using a thermal spray technique, e.g., twin wire arc spray, forming coatings of 5-50 mils thickness having a fine-scale micro-pore structure which is effectively non-permeable in aggressive solutions, and resist selective oxidation in thermal spraying of components for maximized corrosion performance The coating is further characterized as having excellent adhesion strength even when applied with varying parameters as in manual on-site coating applications.

Abstract: The invention relates to a process for coating a substrate (S) whereby a metal alloy layer comprising at least two metallic elements is continuously deposited on the substrate (S) by means of a vacuum deposition facility (1) comprising a vapor jet coater (7) for spraying the substrate (S) with a vapor containing the metallic elements in a constant and predetermined relative content, the vapor being sprayed at a sonic velocity. The process is more particularly intended for depositing Zn—Mg coatings. The invention also relates to a vacuum deposition facility (1) for continuously depositing coatings formed from metal alloys, for implementing the process.

Abstract: A new substrate makes it possible to modify surface properties relating to biocompatibility. Said substrate has an electron donating surface, characterized in having metal particles on said surface, said metal particles comprising palladium and at least one metal chosen from gold, ruthenium, rhodium, osmium, iridium, and platinum, wherein the amount of said metal particles is from about 0.001 to about 8 ?g/cm2. The substrate is suggested for different uses, such as for modifying the hydrophobicity, protein adsorption; tissue ingrowth, complement activation, inflammatory response, thrombogenicity, friction coefficient, and surface hardness.

Abstract: A method for hot dip galvanizing of advanced high strength or ultra high strength steel strip material, such as dual phase steel, transformation induced plasticity steel, transformation induced plasticity assisted dual phase steel and twinning induced plasticity steel strip material. The strip material is pickled and thereafter heated to a temperature below the continuous annealing temperature before the strip material is hot dip galvanized.

Abstract: A housing of electronic device includes a metallic substrate, a copper layer formed on the metallic substrate, and a heat dissipation layer formed on the copper layer. A method for manufacturing the housing is also provided.

Abstract: Exemplary embodiments of the present invention can provide a hot dip galvannealed steel sheet which has excellent corrosion resistance, workability, coatability and appearance. The exemplary galvannealed sheet can include an ultra-low carbon steel sheet having a plating layer which includes about 8 to 13% Fe, about 0.05 to 1.0% Ni, about 0.15 to 1.5% Al, and a balance of Zn and unavoidable impurities. An exemplary method for producing a hot dip galvannealed steel sheet is also provided which can include cleaning an annealed ultra-low carbon steel sheet, preplating it with Ni, rapidly heating the sheet in a nonoxidizing or reducing atmosphere, plating the sheet in a galvanization bath containing Al, wiping it, then rapidly reheating it and either cooling the sheet without any soaking time or soaking and holding it for less than 15 seconds and then cooling it.

Abstract: A surface treatment method for aluminum or aluminum alloy includes the following steps: An aluminum or aluminum alloy substrate is provided. A metallic nickel layer is formed on the aluminum or aluminum alloy substrate by replacement reaction using a water solution. The water solution substantially comprises nickel sulfate, sodium citrate, potassium sodium tartrate, and sodium hydroxide. An electroless nickel layer is then formed on the metallic nickel layer by electroless nickel plating. An article manufactured by the method is also provided.

Abstract: A method for making a coated article includes the steps of: providing a substrate; forming a copper-iron target by a hot isostatic pressing process using copper powder and iron powder; forming a copper-iron alloy layer on the substrate by vacuum sputtering using the copper-iron target. A coated article is also described.

Abstract: Disclosed is a method of applying to stainless steel a protective coating effective in increasing oxidation resistance, the method includes cleaning and pre-oxidizing in hot dry air, cooling and coating the cooled stainless steel with nanocrystalline ceria particles doped with a lanthanide metal. Cleaning may include ultrasound and optionally polishing. Cooling is conducted in air and coating is preferably effected by dipping the stainless steel into a composition containing the nanocrystalline ceria particles. The invention includes a coating effective for retarding oxidation of stainless steel, the coating comprising nanocrystalline ceria particles doped with a lanthanide, a preferred lanthanide being lanthanum and preferred nanocrystalline ceria particles are approximately 3 nm in size and contain from about 2 to 40 atom % of the dopant.

Abstract: A method for making a coated article includes the steps of: providing a substrate; forming a copper-molybdenum target by a hot isostatic pressing process using copper powder and molybdenum powder; forming a copper-molybdenum alloy layer on the substrate by vacuum sputtering using the copper-molybdenum target. A coated article is also described.

Abstract: A method for making a coated article includes the steps of: providing a substrate; forming a copper-cobalt target by a hot isostatic pressing process using copper powder and cobalt powder; forming a copper-cobalt alloy layer on the substrate by vacuum sputtering using the copper-cobalt target. A coated article is also described.

Abstract: The invention relates to a method for coating a cooling element (1) mainly made of copper, provided with water cooling pipes (2) and used particularly in connection with metallurgic furnaces or the like, wherein the cooling element includes a fire surface (3) that is in contact with molten metal, suspension or process gas; side surfaces (6) and an outer surface (7), so that at least part of the fire surface (3) is coated by a corrosion resistant coating (5).

Abstract: A method for immobilizing a self-organizing material or fine particles on a substrate, and a substrate whereupon the self-organizing material or the fine particles are immobilized. More specifically, the method for immobilizing the fine particles including a nucleic acid (for instance, DNA or RNA) or a metal oxide on the substrate, and the substrate whereupon the nucleic acid (for example, DNA or RNA) or the metal oxide is immobilized.

Abstract: Disclosed are quaternary ammonium salts containing non-halogen anions such as carbonates, bicarbonates, phosphates, glycolates and mixtures thereof as conversion coatings or additives imparting anti-corrosive properties to paints. The invention relates to a method for inhibiting the corrosion of metal surfaces by applying a composition containing one or more quaternary ammonium carbonate or bicarbonate. The disclosure is also directed to anti-corrosive coatings for metal substrates containing these compounds and to metal substrates having these anticorrosive coatings.

Abstract: A metallic material is provided that is superior to an iron-based metallic material in all of adhesion, heat resistance, electrical conductivity, and corrosion resistance, and a method of manufacturing the metallic material is also provided. A metallic material is provided that includes an iron-based metallic material and an oxide layer formed on the surface of the iron-based metallic material. The oxide layer includes Fe and at least one kind of metal (A) selected from a group consisting of Zr, Ti, and Hf. There is also provided a method of manufacturing the metallic material.

Abstract: A cathode for electrolytic processes, particularly suitable for hydrogen evolution in chlor-alkali electrolysis comprises a metal substrate provided with a catalytic coating made of two layers containing palladium, rare earths (such as praseodymium) and a noble component selected between platinum and ruthenium. The rare earth percent amount by weight is lower in the outer layer than in the inner layer.

Abstract: A surface treating method of a metal housing includes the following steps. First, a workpiece is provided. The workpiece includes a surface formed by a metal material. Thereafter, the workpiece is pre-treated to clean the surface of the metal material. Next, a titanium diffusion treating is performed on the workpiece to form a titanium-containing diffusion layer on the surface of the metal material.

Abstract: To provide a sliding material whose superficial sliding characteristics can be modified in compliance with the requirements of sliding component parts without ever changing the surface roughness of sliding material very much by means of shot blasting treatment, and to provide a sliding member using the sliding material. A sliding material according to the present invention is characterized in that it comprises: a metallic substrate; and an adhered metal being formed by mechanical adhesion by means of shot blasting metallic particles, which are softer than said metallic substrate and whose friction coefficients are smaller than that of said metallic substrate, onto a sliding surface of said metallic substrate so as to cover 8% or more of the sliding surface of said metallic substrate.

Abstract: A turbomolecular pump includes: a rotor (4) on which rotary vanes (19) in multiple stages are formed; fixed vanes (21) in multiple stages; and a pump casing (7) in which a pump inlet opening (7a) is defined, and that houses the rotor (4) and the fixed vanes (21) in multiple stages; wherein: a surface of the rotor (4) facing the inlet opening has a first emissivity; a surface of one vane stage that is visible from the inlet opening, among a plurality of vane stages including the rotary vanes (19) and the fixed vanes (21), has the first emissivity; and a surface of one vane stage, among the plurality of vane stages, that is not visible from the inlet opening has a second emissivity that is greater than the first emissivity.

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: Method for manufacturing a zinc-coated nonferrous metal component for the production of a corrosion-protected vehicle body in a mixed construction includes providing an untreated nonferrous metal component and applying a coating by zinc diffusion onto the nonferrous metal component. A zinc dust mixture is diffused at a temperature of from 300 to 600° C. so as to form a zinc diffusion layer.

Abstract: Disclosed herein are methods of treating an article surface. The method comprises removing a metal oxide surface from the metal substrate to expose a metal surface; and delivering particles comprising a dopant from at least one fluid jet to the metal surface to impregnate the surface of the article with the dopant. The method also comprises delivering substantially simultaneously a first set of particles comprising a dopant and a second set of particles comprising an abrasive from at least one fluid jet to a surface of an article to impregnate the surface of the article with the dopant.

Abstract: The invention relates to a method for hot-dip coating hot-rolled steel strip, during which the steel strip passes through a pickling station, a rinsing station, a drying station, a heating furnace and then through a molten bath. The final thickness and the thickness tolerance of the hot-dip coated steel strip are achieved by a controlled thickness reduction in a roll stand in the process line. The achievement of the finished thickness is controlled by at least one thickness measuring unit at the outlet of the roll stand, and deviations upward or downward therefrom are fed back in the form of an actuating signal for actuating the roll stand in order to appropriately increase or decrease the thickness reduction. The invention also relates to an installation for producing a steel strip of the aforementioned type.

Abstract: The present invention provides a surface treatment method for magnesium alloy, which comprising the following steps: 1) preparation; 2) fusion and uniformly coating; 3) heat diffusion, and 4) finish; so a coating alloy is placed on a magnesium alloy substrate, and the magnesium alloy substrate is heated so that the coating alloy is uniformly melted on the magnesium alloy substrate; when heating up to a preset temperature, the coating alloy generates heat diffusion on the magnesium alloy substrate; the coating alloy finally forms a corrosion-resistant hard layer on the magnesium alloy substrate. So, this invention features simple treatment process, stable structure and environmental-friendliness in a wide range of applications.

Abstract: A method for treating a metal surface to reduce corrosion thereon and/or to increase the reflectance of the treated surface, the method comprising a) plating a metal surface with an electroless nickel plating solution; and thereafter b) immersion plating silver on the electroless nickel plated surface, whereby corrosion of the metal surface is substantially prevented and/or the reflectance of the silver plated surface is substantially improved. The treating method is useful for increasing the solderability of the metal surface, for example, in electronic packaging applications and in manufacturing light emitting diodes (LEDs).

Abstract: A high-strength quenched formed body containing a layer on the surface of an after-quenching formed-body steel material in which layer Zn is a major component and which layer contains 30% by mass or less of Fe, and which layer is present in an amount of 30 g/m2 or more. A quenched formed body is produced by quenching a zinc-plated steel material which includes a zinc-plated layer containing each of Al and Si having alloying-retarding function and readily-oxidizing function independently or compositely, in an amount of 0.15% by mass or more, after heating it to 800° C. or more and 950° C. or less in an oxidizing atmosphere containing 0.1% by volume or more of oxygen.

Abstract: A method of forming a negative coefficient of thermal expansion particle includes flattening a hollow sphere made of a first material, annealing the flattened hollow sphere at a reference temperature above a predetermined maximum use temperature to set a stress minimum of the flattened hollow sphere, and forming a coating made of a second material on the flattened hollow sphere at the reference temperature, the second material having a lower coefficient of thermal expansion than that of the first material, the negative coefficient of thermal expansion particle characterized by volumetric contraction when heated.

Abstract: Disclosed herein is a method of preventing corrosion degradation in a defective region including an expansion transition region and/or an expansion region of a heat transfer tube of a steam generator in a nuclear power plant by using nickel (Ni) plating or nickel (Ni) alloy plating. The method can prevent various types of corrosion damage, such as pitting corrosion, abrasion, stress corrosion cracking, lead-induced stress corrosion cracking and the like, occurring during the operation of the steam generator, and particularly, pitting corrosion or primary and secondary stress corrosion cracking, so that the life span of the steam generator is increased, maintenance costs are reduced, and the operation rate of a nuclear power plant is increased, with the result that the unit cost of the production of electric power can be decreased, thereby improving economic efficiency.