Class / Patent application number | Description | Number of patent applications / Date published |
148275000 | Metal substrate contains elemental aluminum or magnesium or alloy thereof | 6 |
20080271820 | ANTIRUST TREATMENT METHOD FOR AN ALUMINUM DIE-CAST PART FOR VEHICULAR LIGHTING FIXTURE, AND AN ALUMINUM DIE-CAST PART FOR VEHICULAR LIGHTING FIXTURE - An aluminum alloy-made part for a vehicular lighting fixture cast by the die-casting method and containing at least silicon is heated, whereby the silicon in the surface layer of the aluminum alloy-made part for a vehicular lighting fixture is oxidized to form a silicon oxide layer. By the heating treatment, the aluminum alloy-made part can achieve an antirust effect. | 11-06-2008 |
20090038712 | Protection of aluminum during a loss-of-coolant accident - A method for reducing corrosion of an aluminum or aluminum alloy material by contacting the surface of the material with an aqueous solution comprising silicon dissolved therein. The aqueous solution can be reactor containment pool cooling water following a loss-of-coolant accident or an aqueous pretreatment solution. The dissolved silicon can comprise a dissolvable compound of silicon and oxygen, such as a silicate compound. | 02-12-2009 |
20090133782 | Solution for processing of metal replacement with metal aluminum or aluminum alloy and method for surface processing using such solution - There is disclosed a processing solution for metal replacement for metal aluminum or an aluminum alloy. The processing solution is used for surface processing of an underlying aluminum material. The processing solution for metal replacement removes an oxide film on the underlying aluminum material and suppresses corrosive attack to it to allow a plating film having high smoothness and good plating appearance to be deposited on the underlying aluminum material. The processing solution for metal replacement at least includes a metal salt capable of being replaced with aluminum, and an alkaline compound. A quaternary ammonium hydroxide is contained in the processing solution for metal replacement as the alkaline compound. | 05-28-2009 |
20100096044 | SURFACE TREATMENT METHOD FOR ALUMINUM ALLOY AND SURFACE TREATMENT METHOD FOR MAGNESIUM ALLOY - The present invention provides a surface treatment method for an aluminum alloy and a surface treatment method for a magnesium alloy, which enable providing the surface of an aluminum alloy containing magnesium or the surface of a magnesium alloy with sufficient corrosion resistance to corrosive gases, while preventing the surface from scattering magnesium therefrom even when used in a vacuum at a temperature of not less than 300° C. In this method, a carbon fluoride compound is applied over the surface of the aluminum alloy containing magnesium or the surface of the magnesium alloy, followed by heating in an oxygen atmosphere, thereby forming a fluoride passivation film. | 04-22-2010 |
20120168034 | PROCESS FOR SURFACE TREATING ALUMINUM OR ALUMINUM ALLOY AND ARTICLE MADE WITH SAME - A process for surface treating aluminum or aluminum alloy comprises the following steps. Providing a substrate made of aluminum or aluminum alloy. The substrate is treated with a chemical conversion treatment solution containing molybdate as the main film forming agent, to form a molybdate conversion film on the substrate. Then, a ceramic coating comprising refractory compound is formed on the molybdate conversion film by physical vapor deposition. | 07-05-2012 |
20120227868 | MAGNESIUM-LITHIUM ALLOY, ROLLED MATERIAL, MOLDED ARTICLE, AND PROCESS FOR PRODUCING SAME - The present invention provides a very lightweight magnesium-lithium alloy which has both corrosion resistance and cold workability balanced at high levels, a certain degree of tensile strength, low surface electrical resistivity, as well as a rolled material and a formed article made of the alloy, and a method of producing the alloy, by means of a magnesium-lithium alloy containing not less than 10.5 mass % and not more than 16.0 mass % Li, not less than 0.50 mass % and not more than 1.50 mass % Al, and the balance of Mg, and having an average crystal grain size of not smaller than 5 μm and not larger than 40 μm, a tensile strength of not lower than 150 MPa, and a surface electrical resistivity of not higher than 1Ω as measured with an ammeter by pressing a cylindrical two-point probe with a pin-to-pin spacing of 10 mm and a pin tip diameter of 2 mm (contact surface area of one pin is 3.14 mm | 09-13-2012 |