Abstract: A coating composition and a method is used to coat metallic substrates for corrosion resistance. The coating composition includes acid, metal acetate, organosilane and water. The method includes steps of depositing the composition on an aluminum or aluminum alloy substrate and allowing the composition to dry to form a sol-gel coating on the substrate.

Abstract: This invention relates to articles having magnesium-containing metal surfaces with a black, brown or bronze electroceramic coating, chemically bonded directly to the magnesium metal surfaces, the coating having an outer darkly colored layer and an underlying interfacial layer. Articles having a composite coating comprising first sectors of the electroceramic coating and second sectors comprising organic and/or inorganic components different from the electroceramic coating are also provided. The invention further relates to processes of making and using the articles.

Abstract: A cable for power distribution applications includes a plurality of wires bundled into the cable. The plurality of wires typically is comprised of interior wires and peripheral wires with the peripheral wires surrounding the interior wires. At least one wire is coated with a high emissivity coating that includes at least 10 weight percent aluminum oxide and a metal oxide other than aluminum oxide. Characteristically, the wire coated with the high emissivity coating has an emissivity greater than about 0.5 in the infrared region of the electromagnetic spectrum and a surface area at least 50 times greater than the surface area of a bare wire prior to being coated with the high emissivity coating.

Abstract: The invention relates to an apparatus for continuously electrolytically coating a wire for a high tension cable for use in overhead transmission lines, wherein the apparatus comprises a bath for an aqueous electrolytic solution containing a precursor for an electro-ceramic coating on a wire, a first air knife cleaning device, an electrification device for electrifying the wire, a plurality of guide members positioned to route the wire from into, through and out of the bath, a cathodic connection positioned in the bath for contacting the aqueous electrolytic solution, and a power source electrically connected to the electrification device and the cathodic connection, said power source capable of providing high voltage and high current to the wire through the electrification device, and through the wire in the bath to the cathode connection via the aqueous electrolytic solution.

Abstract: A ceramic coated heat exchanger component and method for making the ceramic coated heat exchanger component by creating porous metal oxide coatings on an aluminum surface of the heat exchanger component by plasma electrochemical deposition of a metal oxide on the aluminum surface and layering an odor neutralization agent on the porous metal oxide ceramic coatings to form an odor remediation ceramic coating on the heat exchanger.

Abstract: A system and a process for continuously electrolytically coating a light metal coil is provided. The system includes a bath containing a precursor for an electroceramic coating on a light metal coil and containing a cathodic connection, at least one motor connected to at least one motive assembly to impart movement to the coil. A power source provides voltage and current to the coil through the electrification device, and through the coil in the bath to the cathode connection via the aqueous electrolytic solution. The process includes electrifying bare coil with a voltage and a current, passing the electrified bare light metal coil through a bath having a cathodic connection and containing an aqueous solution with a precursor for an electroceramic coating, and electrochemically reacting the light metal coil with the precursor thereby generating a coated light metal coil having an electroceramic coating on at least one surface.

Abstract: A system and a process for continuously electrolytically coating a wire, useful for a high tension cable, is provided. The system includes a bath containing a precursor for an electro-ceramic coating on a wire and containing a cathodic connection, at least one motor connected to at least one motive assembly to impart movement to the wire. A power source provides high voltage and high current to the wire through the electrification device, and through the wire in the bath to the cathode connection via the aqueous electrolytic solution. The process includes electrifying bare wire with a high voltage and a high current, passing the electrified bare wire through a bath having a cathodic connection and containing an aqueous solution with a precursor for an electro-ceramic coating, and electrochemically reacting the wire with the precursor thereby generating a coated wire having an electro-ceramic coating on at least one surface.

Abstract: An aluminum or aluminum alloy metal electrical conductor having a high temperature resistant electrically insulating metal oxide coating layer including at least one non-aluminum metal oxide chemically bonded thereto and methods of making and using same

Abstract: A cable for power distribution applications includes a plurality of wires bundled into the cable. The plurality of wires typically is comprised of interior wires and peripheral wires with the peripheral wires surrounding the interior wires. At least one wire is coated with a high emissivity coating that includes at least 10 weight percent aluminum oxide and a metal oxide other than aluminum oxide. Characteristically, the wire coated with the high emissivity coating has an emissivity greater than about 0.5 in the infrared region of the electromagnetic spectrum and a surface area at least 50 times greater than the surface area of a bare wire prior to being coated with the high emissivity coating.

Abstract: This invention relates to articles having magnesium-containing metal surfaces with an electroceramic coating chemically bonded to the metal surfaces and to articles having a composite coating comprising first sectors of electroceramic coating and second sectors comprising organic and/or inorganic components different from the electroceramic coating. The invention further relates to processes of making and using the articles.

Abstract: A method and apparatus for reducing at least one of HC, CO, and NOx emissions from an operating internal combustion engine fueled by hydrocarbon or similar fuels, such as alcohols, wherein a portion of the internal combustion chamber has aluminum and/or titanium containing surfaces coated with a titanium dioxide coating further comprising a dopant in and/or on the adherent titanium dioxide coating.

Abstract: A method and apparatus for reducing at least one of HC, CO, and NOx, emissions from an operating internal combustion engine fueled by hydrocarbon or similar fuels, such as alcohols, wherein a portion of the internal combustion chamber has aluminum and/or titanium containing surfaces coated with a titanium dioxide coating further comprising a dopant in and/or on the adherent titanium dioxide coating.

Abstract: Coating bath compositions and processes useful in depositing organic polymeric coatings on metal substrates at low voltages are provided, the baths comprising one or more dispersed organic film forming polymers; and an etchant; wherein the principle film forming polymer is stabilized in the bath by the presence of anionic surfactant, but can be readily anodically deposited under low voltage. The invention also relates to processes of depositing a coating and metal substrates coated using the baths and processes of the invention.

Abstract: Using aqueous electrolytes containing complex fluorides or oxyfluorides such as fluorozirconates and fluorotitanates, ferrous metal articles and non-metallic articles having a first coating containing aluminum may be rapidly anodized to form a second protective surface coating. White coatings may be formed on articles using pulsed direct current or alternating current.

Abstract: Coating bath compositions and processes useful in depositing organic polymeric coatings on metal substrates at low voltages are provided, the baths comprising one or more dispersed organic film forming polymers; and an etchant; wherein the principle film forming polymer is stabilized in the bath by the presence of anionic surfactant, but can be readily anodically deposited under low voltage. The invention also relates to processes of depositing a coating and metal substrates coated using the baths and processes of the invention.

Abstract: A method and apparatus for reducing at least one of HC, CO, and NOx emissions from an operating internal combustion engine fueled by hydrocarbon or similar fuels, such as alcohols, wherein a portion of the internal combustion chamber has aluminum and/or titanium containing surfaces coated with a titanium dioxide coating further comprising a dopant in and/or on the adherent titanium dioxide coating.

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: An article of manufacture and a process for making the article by the anodization of aluminum and aluminum alloy workpieces to provide corrosion-, heat- and abrasion-resistant ceramic coatings comprising titanium and/or zirconium oxides, and the subsequent coating of the anodized workpiece with polytetrafluoroethylene (“PTFE”) or silicone containing coatings. The invention is especially useful for forming longer life PTFE coatings on aluminum substrates by pre-coating the substrate with an anodized layer of titanium and/or zirconium oxide that provides excellent corrosion-, heat- and abrasion-resistance in a hard yet flexible film.