Abstract: The present invention provides a coating composition having excellent adhesion to metal substrates. The coating composition includes a binder comprising a polyester resin having an adhesion promoting group and an optional crosslinker. The present invention also provides articles having the coating composition applied to at least a portion of a surface thereof.

Abstract: A tubular connection includes a pin member having external wedge threads configured to engage a box member having corresponding internal wedge threads, and a solid lubricant coating applied on at least one of the internal and external wedge threads wherein the solid lubricant coating comprises a first uniform layer of a dry corrosion inhibiting coating made of an epoxy resin containing particles of zinc and a second uniform layer of a dry lubricant coating covering the first uniform layer.

Abstract: The invention provides a hot dip galvanized steel sheet which has: a hot dip galvanizing layer having a flat part on a surface thereof; and a film formed on the flat part. The film is composed of a compound containing Zn, Fe, and O, having an average film thickness A in a range from 10 to 100 nm determined by an element analysis of the film, and has {[Fe]/{[Zn]+[Fe]}} in the film in a range from 0.002 to 0.25, where [Zn] and [Fe] designate the content (% by atom) of Zn and Fe in the film, respectively. Since the hot dip galvanized steel sheet of the invention has excellent press-formability, bondability, and phosphatability, it is suitable for automobiles and electrical appliances.

Abstract: The invention concerns an aluminium container (1) issued from the process of deep drawing an aluminium foil (6) to form a container body (7), cutting the edges of the container body, curling said edges on the exterior side of the container body in order to form a curled edge (2) and closing the container body by a foil/lid/membrane (3) wherein the colour of the curled edge is different from the natural colour of the aluminium foil.

Abstract: An apparatus for hemming multiple panels includes an anvil having a first panel and a second panel supported thereon. A roller mechanism and a curing mechanism are mounted to the hemming apparatus. The roller mechanism is adapted to move relative to the panels to fold a flanged portion of the first panel onto an edge portion of the second panel to form a joint. The curing mechanism is adapted to move relative to the panels to cure an adhesive located within the joint formed between the first panel and the second panel. The curing mechanism is located proximate to the roller mechanism, such that the first panel and the second panel may be supported by the anvil while the curing mechanism at least partially cures the adhesive.

Abstract: A method of fabricating a bottom chassis is provided. The method of fabricating the bottom chassis includes, for example, forming a bottom chassis using a steel plate having a thickness in the range of 0.5 mm to 0.9 mm, the steel plate having a stack structure including an inner layer containing 0.001 to 0.1 weight percent (wt. %) carbon (C), 0.002 to 0.05 wt. % silicon (Si), 0.28 to 2.0 wt. % manganese (Mn), balance iron (Fe), and other impurities, an electro-galvanized layer formed on the inner layer, and a polymer chromium (Cr)-free contamination resistant layer formed on the electro-galvanized layer, and performing a burring process and a tapping process on the bottom chassis to form a burring part to receive a bolt for an engagement.

Abstract: A method of producing shaped articles made from single-sidedly or double-sidedly galvanized steel sheet, starting from galvanized steel strip, at least one of the steps of the method being a transport operation, and in which, for protection from black-spot corrosion, a corrosion preventive oil is applied which comprises N-acyl derivatives of sarcosinic acid as corrosion inhibitor.

Abstract: Disclosed is a lead wire for a solar cell having excellent bondability with a solar cell. The solar cell lead wire (10) has a band plate-shaped electroconductive material (12) that is formed with straight-angled cross-sectional shape and is covered by a molten solder plating layer (13), with the thickness of the oxide film on the surface of the molten solder plating layer (13) being 7 nm or less.

Abstract: The present invention relates to an aluminum tube and a method for manufacturing the same, and more particularly to an aluminum tube that enables enhancement of adhesion between the aluminum tube and the resin coating coated on the surface of the aluminum tube, and a method for manufacturing the same. The method comprises: a supply step wherein an aluminum tube is supplied, a high frequency preheating step wherein said aluminum tube is preheated using high frequency heating, an adhesive coating step wherein the surface of said preheated aluminum tube is coated with an adhesive in a gel state, and a resin coating step wherein said aluminum tube coated with said adhesive is coated with a resin.

Abstract: A method of forming a hollow component with an internal structure from first and second panels includes the step of forming at least one protrusion on a surface of at least one of the first and second panels by a material deposition process. The first and second panels are assembled into a preform the panels being oriented such that each panel defines an interior and an exterior facing surface, with the at least one protrusion extending from an exterior facing surface of a panel. The preform is expanded against a die, such that the at least one protrusion is transferred from the exterior surface of a panel to the interior surface of a panel so as to define an internal structure. Forming the at least one protrusion may include encapsulating an elongate member on the surface of a panel by a material deposition process.

Abstract: A hybrid guidewire, a method for manufacturing the hybrid guidewire including co-extruding a core inside a sheath in bulk, cutting the core and sheath to a desired length, and shaping a distal and proximal portion of the guidewire depending on the desired application.

Abstract: A wind turbine installation comprises anchor bolts having a sheath or sleeve which extends above the cement foundation and the overlying grout layer. If desired, the sleeve may partially extend inside the base flange of the wind turbine tower. The sleeve may be manufactured from polypropylene, polyethylene or other materials having satisfactory mechanical properties, primarily that the material be capable of withstanding sufficient plastic deformation to cause the material to conform to the shape of the threads of the anchor bolts without the material failing. This swaging operation results in a crimped end which forms an interference fit with the threads of the anchor bolt thereby preventing or limiting the intrusion of water or other liquids into the bolt-sleeve annulus during the installation of the turbine foundation.

Abstract: A method for producing copper-clad aluminum wire may include providing a round stock of core material, cleaning the core and depositing a barrier material on the core to form a thin film coating of barrier material on the core. The method may include providing one or more strips of a cladding material in continuous form, advancing the coated core and the one or more strips of cladding material, and forming the strips of cladding material to conform around the coated core wherein a cross-sectional area of the coated core is reduced, the formed strips of cladding material forming one or more fins. The method may include quenching the conformed strips of cladding material and the coated core and removing the fins to form a cladding material-clad coated wire or rod.

Abstract: The invention relates to a method for producing a sheet metal component. A hot or cold strip is electrolytically coated or coated in a smelting bath and the thus coated hot or cold strip is subjected to a flexible rolling process. During said process, sheet metal having various thicknesses of the flexibly rolled steel strips are produced due to various rolling pressures. Said invention is characterized in that in accordance with the thickness of the sheet metal after being rolled in a flexible manner or in accordance with the rolling pressure during flexible rolling, either the coating whilst being coated has various thicknesses, and in accordance with the rolling pressure with increasing rolling pressure that is expected, the thickness of the coating is thicker and/or the coating prior to or after the flexible rolling is subjected to a mechanical or chemical surface treatment for adjusting the desired emissivity or heat absorption capacity.

Abstract: The invention relates to a method for producing a hardened profiled structural part from a hardenable steel alloy with cathodic corrosion protection. The method includes applying a coating to a sheet made of a hardenable steel alloy, wherein the coating comprises zinc, and the coating further comprises one or several elements with affinity to oxygen in a total amount of 0.1 weight-% to 15 weight-% in relation to the total coating. After applying the coating, the coated sheet steel is roller-profiled in a profiling device, so that the sheet tape is formed into a roller-formed profiled strand. Thereafter, the coated sheet steel is brought, at least in parts and with the admission of atmospheric oxygen, to a temperature required for hardening and is heated to a structural change required for hardening. A skin made of an oxide of the element(s) with affinity to oxygen is formed on the surface of the coating.

Abstract: A single-layer seal or a sealing layer of a multi-layer seal made of metal includes supporting regions and sealing regions. At least one supporting region and at least one sealing region are embodied by a stamped sliding surface with a thickness that is greater than an original sheet-metal thickness. A step is stamped onto the upper side and/or the underside of the at least one sliding surface such that the sliding surface bends elastically in an installed state.

Abstract: An article of manufacture comprises a carbon-containing matrix. The carbon-containing matrix may comprise at least one type of carbon material selected from the group comprising graphite crystalline carbon materials, carbon powder, and artificial graphite powder. In addition, the carbon-containing matrix comprises a plurality of pores. The article of manufacture also comprises a metal component comprising Al, alloys of Al, or combinations thereof. The metal component is disposed in at least a portion of the plurality of pores. Further, the article of manufacture comprises an additive comprising at least Si. At least a portion of the additive is disposed in an interface between the metal component within the pores and the carbon-containing matrix. The additive enhances phonon coupling and propagation at the interface.

Abstract: In a medical guide wire 1, a flexible core wire 2 is made of austenitic stainless steel wire treated with a solid solution procedure, and drawn with a whole cross sectional reduction ratio as 80%-97.6%. The core wire 2 and a helical spring body 3 are welded by a welding member 4. The welding member 4 is made of eutectic alloy having a melting temperature ranging from 180° C.-495° C. Upon welding the helical spring body 3 to the core wire 2 which is made of the stainless steel metal, the procedure prevents the medical guide wire 1 from sacrificing its mechanical strength by significantly reducing the thermal influence on the core wire 2 and the helical spring body 3.

Abstract: A process is described in which non-structural galvanized steel studs are sequentially chemically treated with a permanganate coating to improve oxidation resistance, followed by treatment with a silicate coating sealant, optionally with zinc surface activation using an acid treatment.

Abstract: A method for making a vehicle body component includes forming a generally flat plate of unhardened, hot-formable sheet steel with a marginal shape which corresponds essentially to the developed configuration of the finished vehicle body component. The formed plate is hot-formed and hardened in a single press tool to define a sheet profile which corresponds to the configuration of the finished vehicle body component, and a surface coating is applied to the sheet profile.

Abstract: A process for producing surface conditioned aluminum castings, comprising a step of applying to aluminum castings an alkaline surface conditioning liquid containing at least one organic builder and/or one chelating agent, wherein the alkaline surface conditioning liquid used in the step has a surface conditioning activity (CD; mol/l) in the range of 0.05?CD?2.3 and a coefficient of gloss (CE; g/mol) in the range of 2.8?CE?90.

Abstract: The invention relates to a method for producing a hardened profiled structural part from a hardenable steel alloy with cathodic corrosion protection. The method includes applying a coating to a sheet made of a hardenable steel alloy, wherein the coating comprises zinc, and the coating further comprises one or several elements with affinity to oxygen in a total amount of 0.1 weight-% to 15 weight-% in relation to the total coating. After applying the coating, the coated sheet steel is roller-profiled in a profiling device. Thereafter, the coated sheet steel is heated to a structural change required for hardening. A skin made of an oxide of the element(s) with affinity to oxygen is formed on the surface of the coating. After sufficient heating the sheet is cooled, wherein the rate of cooling is set in such a way that hardening of the sheet alloy is achieved.

Abstract: A solar cell lead includes a strip plate conductive material that a surface thereof is coated with solder plating. The coated solder plating includes a concavo-convex portion on a surface thereof and a 0.2% proof stress of not more than 90 MPa by a tensile test. The coated solder plating includes a hot-dip solder plating layer formed by supplying a molten solder on the surface of the strip plate conductive material. A plating temperature is set to be not higher than a liquidus-line temperature of the used solder plus 120° C., and an oxide film on a surface of the hot-dip solder plating layer is set to be not more than 7 nm in thickness.

Abstract: The present invention relates to a method of manufacturing an insulated electric wire and an apparatus for manufacturing an insulated electric wire that can stably manufacture a conductor having a larger sectional width according to desired dimensions as compared to the rolling where the conductor is rolled by a pair of rolling rolls free-rotated, and that can conduct the entire process in a tandem arrangement.

Abstract: A magnesium alloy material for forming which can yield a formed body with high formability without using a lubricating oil or a solid lubricant such as molybdenum disulfide, a magnesium alloy formed body which is obtained by forming the magnesium alloy material for forming, and a manufacturing method of the magnesium alloy formed body are provided. A magnesium alloy material for forming which exhibits a friction coefficient of 0.2 or below at a forming temperature of 350° C. or below is obtained by coating a surface of a magnesium alloy material with an organic resin such as a water-soluble urethane resin, a water-soluble polyester resin, a water-soluble acrylic resin or a water-soluble epoxy resin or a resin obtained by modifying any of these organic resins, or an organic resin formed of any of these resins which contains a silane coupling agent, a colloidal silica, a lubricant, a metal alkoxide or the like.

Abstract: The hot stretch forming of sheet metal alloys, such as highly deformable aluminum alloy materials, is improved by using a lubricant comprising bismuth between the forming tool and the engaged surface of the sheet metal. A precursor of bismuth, such as bismuth subsalicylate, may be dispersed in a liquid and applied to the sheet metal before the sheet is heated to its forming temperature. Other lubricants such as boron nitride may be combined with the bismuth precursor. The precursor compound is decomposed to bismuth (or bismuth and carbon in the case of bismuth subsalicylate) which lubricates contact between the surface(s) of the sheet and the forming tool during forming and removal of the formed part from the tool.

Abstract: Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing these metal sheets and plates are disclosed herein. In an embodiment, there is provided a transportation vessel that includes at least one metal product having at least one surface that is substantially grooved, wherein the substantially grooved surface forms a riblet topography, the riblet topography including a multiplicity of adjacent permanently rolled longitudinal riblets running along at least a part of the surface, and wherein the riblet topography is coated with at least one coating sufficiently designed and applied to preserve the riblet topography. In an embodiment, the multiplicity of adjacent permanently rolled longitudinal riblets results in a friction-reducing textured surface. In an embodiment, metal product is used in fabricating at least a portion of an aircraft. In an embodiment, metal product is used in fabricating at least a portion of a rotor blade.

Abstract: The present invention relates to a method of manufacturing a seamless multilayer composite pipe, an apparatus for manufacturing a seamless multilayer composite pipe, and a seamless multilayer composite pipe. The method of manufacturing a seamless multilayer composite pipe comprises the steps of a) providing a seamless metal pipe with at least one continuous layer covering its inner surface, and b) passing the seamless metal pipe through a unit in order to reduce the diameter of the seamless metal pipe by cold working. An apparatus for manufacturing a seamless multilayer composite pipe comprises a unit for providing a seamless metal pipe with at least one continuous layer covering its inner surface, and a unit for reducing the diameter of the seamless metal pipe by cold working.

Abstract: An embodiment of the present invention is a method of shape forming vessels, the method comprising selecting a pathway to index the vessel across an operation wheel, indexing the vessel, controlling rotational indexing direction of the vessel across selected pathway, and operating on the vessel as the vessel is indexed across the operation wheel along selected pathway. Other embodiment include shaping by contouring length of the vessel, applying decoration to the vessel, wherein the decoration is added at a precise location based in part on reference to the registration spot, and using a controller to select the pathway based in part on desired shape of the vessel.

Abstract: Disclosed is a method for producing a magnesium alloy press-formed body at a high degree of forming and at a low cost. Also disclosed is a magnesium alloy press-formed body having an aesthetic surface, which is produced by the method. The method comprises the steps of applying an organic resin capable of imparting formability (e.g. a water-soluble urethane resin, a water-soluble polyester resin, a water-soluble acrylic resin, a water-soluble epoxy resin, or an organic resin produced by modification of any one of these resins), or an organic resin which is prepared by mixing any one of these resins with a silane coupling agent, colloidal silica, a lubricant, a metal alkoxide or the like by coating onto the surface of a magnesium alloy material, press-forming the organic resin-coated magnesium alloy material into a desired shape, and removing the organic resin using a resin removing liquid.

Abstract: An apparatus and method is disclosed for drawing continuous metallic wire having a first diameter to a metallic fiber having a reduced second diameter. A feed mechanism moves the wire at a first linear velocity. A laser beam heats a region of the wire to an elevated temperature. A draw mechanism draws the heated wire at a second and greater linear velocity for providing a drawn metallic fiber having the reduced second diameter.

Abstract: Metal closure components and methods for making the same are provided. The closures may be formed from a metal sheet having a pre-formed polymer film adhered on at least one face. A circular blank may be cut from the sheet, such that the blank may have a circular “raw” cut edge unprotected by the polymer film. The metal blank may then be formed such that the cut edged may be embedded into the film.

Abstract: A system for the production of extruded aluminum or aluminum alloy profiles starting with billets has an extrusion press having a horizontally directed outlet and to which is fed preheated billets press such that the billets exit the outlet of press as a horizontally extending profile that is fed horizontal to a horizontal bench where, while still horizontal, the provides are cooled, straightened, and cut into profile sections. A conditioning chamber for profile ageing heat treatment downstream of the bench as well as a device for coating the profile sections. A device upstream of the conditioning chamber picks the profile sections up off the bench and shifts them from the horizontal orientation to a vertical orientation. An overhead conveyor extends from the picking-up device through the conditioning chamber and coating device for conveying the profile sections therethrough while in the vertical orientation.

Abstract: A method of drawing and ironing a resin film laminated metal sheet for forming a can body having a bottom portion, a can wall portion and a flange-forming portion by drawing the resin film laminated metal sheet obtained by laminating at least one surface of a metal sheet with an organic resin film, followed by ironing by using a punch and a plurality of dies neighboring each other. The can wall is effectively prevented from being broken by a decrease in the thickness of the can wall, and drawn and ironed cans are efficiently formed having a thickness which is decreased as designed.

Abstract: An aerosol can fabrication process comprises the following steps: formation of slugs from an aluminium-based alloy having the following composition, in weight percentage: Si 0.35-0.45 Mg 0.25-0.40 Mn 0.05-0.15 Fe 0.12-0.20 Total of minor elements ?0.15% Al Balance. thermal treatment of the slugs, forced cooling of the slugs, cold impact extrusion of a slug so as to form a can, applying a lacquer inside the can.

Abstract: This invention relates to a tile for covering surfaces in the form of one or more metallic plates and a substratum to be placed on the surface to be covered. At least one metal plate has folds forming male and female shaped elements to be connected with those of adjacent tiles to form a substantially continuous coverage.

Abstract: A hybrid fastening system comprising a female fastener component, i.e., swage collar, fabricated from a titanium or titanium-alloy material, preferably Ti-3A1-2.5V, and a mating titanium or titanium-alloy material male fastener component, i.e., threaded pin, each preferably pre-coated with an organic coating material comprising an organic, phenolic resin. The threaded pin component is installed through two or more structural components to be joined. The swage collar component is then deformed or swaged onto the threads of the pre-coated threaded pin component to achieve the same, if not improved, fastener/joint performance characteristics of existing lockbolt systems using aluminum-alloy material swage collar components.

Abstract: A food or drink container kit includes a metal container including a round threaded neck having at least one integrally formed thread. The kit also includes a metal press-on, twist-off closure comprising a round skirt including a gasket material located on at least a portion of the interior of the skirt, a seal forming between the neck and skirt when the closure is placed on the container and heated.

Abstract: Aluminum, magnesium, and steel can be warm formed through use of a solid, warm forming lubricant which is a metal or metal alloy, or high melting temperature polar polymer. The parts can be painted directly after warm forming.

Abstract: A can body manufacturing method, in which a bottomed cylindrical long cup is shaped from a metal material, in which a printed decoration is then applied to the outer face of a cylindrical trunk portion of the long cup, and in which one of the end sides of the long cup is then shaped into a sloped shoulder portion which is diametrically reduced toward the leading end side: wherein the printed decoration is printed on the outer face of the cylindrical trunk portion of the long cup to the portion to be shaped into the shoulder portion at a subsequent treatment, and wherein the pattern or letter of the printed decoration applied to the portion to be shaped into the shoulder portion is distorted to be wider in the upward direction, in comparison with a final desired figure.

Abstract: A flanged plate (1) for a rolling-lobe air spring has on its rounded portion an annular, closed, concave, rounded holding recess (13) which has a circular arcuate shape. The plate is provided with the recess before surface treatment. A correspondingly shaped holding bead (16) in the upper flanging tool (3) engages in this holding recess and form-tightly holds the tool (3) and the flanged plate (1). In this way, sharp-edged holding grooves, which can damage the surface of the flanged plate, are unnecessary. The flanging method, the flanging device, the flanged plate and the rolling-lobe air spring provided with a flanged plate of the above type are described.

Abstract: A method of forging a titanium alloy component comprises applying a protective coating onto the surface of the titanium alloy component. A glass lubricant coating is applied onto the protective coating and the titanium alloy component is forged at a high temperature. The glass lubricant coating comprises a borosilicate glass lubricant coating. The protective coating comprises an aluminide coating, a silicon modified aluminide coating, a platinum aluminide coating, an aluminium coating or a platinum coating. The titanium alloy component may be a compressor blade, or a compressor vane, of a high-pressure compressor of a gas turbine engine.

Abstract: A versatile system for producing channel letter coil of superior reflectivity and durability is described that includes providing a readily formable substrate. A first reflective material is disposed upon a first surface of the substrate. A second reflective material is disposed upon the first reflective material. An aesthetic material is disposed upon a second surface of the substrate. The entire substrate, with the reflective and aesthetic materials intact, is then rolled into a channel letter coil product, ready for immediate and efficient use in sign production.

Abstract: The invention relates to a separator plate having a fuel reforming chamber for a molten carbonate fuel cell, which can be simply and easily manufactured to integrate the fuel reforming chamber, which enables indirect reforming, with a separator plate so as to realize uniform heat distribution of the separator plate, and to perform a fuel gas reforming reaction, which is an endothermic reaction, using heat generated during the operation of the fuel cell. According to the invention, a fuel gas such as methane (CH4) is supplied to a fuel reforming chamber to reform it therein so as to convert it into hydrogen, after which the converted fuel gas is supplied between the fuel gas guides of an anode part positioned directly on the fuel reforming chamber, and at the same time, an oxidizing gas is supplied between the oxidizing gas guides positioned directly beneath the fuel reforming chamber, thus generating electricity.

Abstract: A method of fabricating an exterior part of a camera is disclosed. The exterior part has an arcuate recess for finger gripping during photography and an arcuately bent portion. The method of fabricating the exterior part includes laminating a plastic protective layer to a surface of a substantially flat stainless steel sheet. An arcuate recess is then formed in the laminated sheet to create a finger grip area. Next, a peripheral flange is formed along a part of the periphery of the sheet, leaving an end portion of the sheet unflanged. The unflanged end portion is manually bent to form an arcuately curved portion with a preliminary curvature. A press die is used to impart a sharper curvature to the curved surface and to perform flanging on the unflanged end portion so as to extend the existing flange along the periphery of the sheet. The extended flange is then ironed to remove any wrinkle.

Abstract: The present invention provides a method of forming a drug eluting stent, the method comprising coupling a stent framework to a mandrel, inserting the mandrel with stent framework into an open die, the die including a forming surface including a plurality of raised indention forming portions; closing the die against the stent framework; pressing the raised indention portions into the stent framework to form indentions in the stent framework; and inserting at least one drug polymer into the indentions formed in the stent framework.

Abstract: A gas barrier synthetic resin container 10 has an opening portion 12 defined by a flange 12A, a body portion 14 having the opening portion 12, and a bottom portion 16 for closing the end of the body portion 14. The container 10 is a wide mouth container having the minimum inside diameter Dmin of the opening portion 12 larger than the maximum inside diameter Dmax of the body portion. Alternatively, the container 10 may be a wide mouth container having the minimum inside diameter Dmin of the opening portion 12 smaller than the maximum inside diameter Dmax of the body portion, the difference between the diameters being equal to or less than 20 mm. A diamond-like carbon film 18 is formed on an outer wall of the body portion 14 and bottom portion 16 of the container 10. After the container 10 has been filled with contents, a metal cover 20 and the flange 12A are double-seamed onto the container to provide improved gas barrier properties to the entire container.

Abstract: A method of manufacturing metal fins suitable for use in a heat exchanger which includes providing a coated patterned fin stock having a series of parallel stripes disposed longitudinally across the width of one surface of the fin stock. The stripe pattern is evenly spaced in the central portion of the fin stock, and staggered or more further spaced apart at the edges of said fin stock. The fin stock is passed through a series of forming dies to form or draw a plurality of tube receiving collared holes in the fin stock, followed by slitting or cutting the fin stock longitudinally to form a plurality of fin strips. The staggered spacing compensates for transverse movement of the fin stock during the drawing operation, and assures for accurate positioning of the collars between the fin stripes. The invention also includes the use of the fins in a high density coil design for use in a heat exchanger.

Abstract: A method of manufacturing metal fins suitable for use in a heat exchanger which includes providing a coated patterned fin stock having a series of parallel stripes disposed longitudinally across the width of one surface of the fin stock. The stripe pattern is evenly spaced in the central portion of the fin stock, and staggered or more further spaced apart at the edges of said fin stock. The fin stock is passed through a series of forming dies to form or draw a plurality of tube receiving collared holes in the fin stock, followed by slitting or cutting the fin stock longitudinally to form a plurality of fin strips. The staggered spacing compensates for transverse movement of the fin stock during the drawing operation, and assures for accurate positioning of the collars between the fin stripes. The invention also includes the use of the fins in a high density coil design for use in a heat exchanger.

Abstract: A method of cold fabricating an intermetallic alloy composition, comprising steps of coating an article of an intermetallic alloy composition with a viscous medium which provides a moisture resistant barrier on the surface of the article, fabricating the coated article into a desired shape, and optionally removing the coating from the shaped article. The coating step can be carried out by applying oil to the surface of the article or immersing the article in oil. The intermetallic article can be an iron aluminide and the fabrication step can include stamping, bending, drawing, forming, cutting, shearing or punching. During the fabrication step a surface oxide film is cracked and metal surfaces exposed by the cracked oxide film are protected from exposure to moisture in the air by the viscous medium.