Class / Patent application number | Description | Number of patent applications / Date published |
148535000 | Aluminum(Al) or aluminum base alloy present | 12 |
20090000704 | Hafnium Alloy Target and Process for Producing the Same - A hafnium alloy target containing either or both of Zr and Ti in a gross amount of 100 wtppm-10 wt % in Hf, wherein the average crystal grain size is 1-100 μm, the impurities of Fe, Cr and Ni are respectively 1 wtppm or less, and the habit plane ratio of the plane {002} and three planes {103}, {014} and {015} lying within 35° from {002} is 55% or greater, and the variation in the total sum of the intensity ratios of these four planes depending on locations is 20% or less. As a result, obtained is a hafnium alloy target having favorable deposition property and deposition speed, which generates few particles, and which is suitable for forming a high dielectric gate insulation film such as HfO or HfON film, and the manufacturing method thereof. | 01-01-2009 |
20090165901 | ALUMINUM ALLOY CLAD SHEET FOR A HEAT EXCHANGER AND ITS PRODUCTION METHOD - Disclosed herein is an aluminum alloy clad sheet for a heat exchanger including a core layer, a sacrificial layer formed on one surface of the core layer, and a filler layer including an Al—Si based alloy formed on the other surface of the core layer. The core layer includes a predetermined amount of Si, Cu, Mn, Ti, and Mg, the remainder including Al and inevitable impurities, and the sacrificial layer includes a predetermined amount of Si, Mn, and Zn, the remainder including Al and inevitable impurities. The core layer has a crystal grain size after the brazing heat treatment at 595° C. for 3 minutes of at least 50 μm and less than 300 μm. The filler layer and the sacrificial layer are defined for their thickness, and the number of intermetallic compounds in the core layer is also defined to a predetermined range. By such constitution, the aluminum alloy clad sheet has improved fatigue life and post-braze strength, high corrosion resistance, and excellent erosion resistance and brazeability. | 07-02-2009 |
20090250144 | METHOD OF JOINING HEAT-TREATABLE ALUMINUM ALLOY MEMBERS BY FRICTION STIR WELDING - A method of joining heat-treatable aluminum alloy members by friction stir welding, including the steps of: a T4-treatment-performing step of performing a T4 treatment on heat-treatable aluminum alloy members so as to impart T4 temper to the heat-treatable aluminum alloy members; a joining step of joining the heat-treatable aluminum alloy members with T4 temper by friction stir welding to provide a joined product; and a reversion-treatment-performing step of performing a reversion treatment, the reversion-treatment-performing step being carried out prior to or after the joining step. | 10-08-2009 |
20100101688 | ALUMINUM ALLOY BRAZING SHEET AND METHOD FOR PRODUCING THE SAME - Disclosed is an aluminum alloy brazing sheet for heat exchanger which excels in resistance to corrosion from its inside and simultaneously attains satisfactory erosion resistance and high strength. This includes a core material of an Al alloy containing predetermined amounts of Si, Mn, Cu, Mg, and Ti; a clad material of an Al alloy containing predetermined amounts of Si, Mn, and Zn, having a predetermined thickness, and lying on one side of the core material so as to constitute an inner side of a tube member of the heat exchanger; and a filler material of an Al alloy containing a predetermined amount of Si, having a predetermined thickness, and lying on the other side of the core material so as to constitute an outer side of the tube member. The crystal grain size of the core material after brazing under specific conditions is 50 μm or more but less than 300 μm in a rolling direction. | 04-29-2010 |
20100263768 | Aluminum alloy clad sheet for heat exchangers and method of producing the same - An aluminum alloy clad sheet for heat exchangers includes a core material, a cladding material | 10-21-2010 |
20100288400 | METHOD FOR ASSEMBLING ALUMINUM ALLOY PARTS BY WELDING - The present disclosure concerns a method for assembling aluminum alloy parts, in which | 11-18-2010 |
20110162763 | Method for Producing Copper-Clad Aluminum Wire - 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. | 07-07-2011 |
20120024433 | MULTI-ALLOY ASSEMBLY HAVING CORROSION RESISTANCE AND METHOD OF MAKING THE SAME - An assembly and method of making the assembly are provided. The assembly includes: a first 7xxx series aluminum alloy member comprising not greater than 1 wt. % Cu; a second 7xxx series aluminum alloy member comprising at least 1 wt % Cu; a joint between the first member and the second member that joins the first member to the second member; wherein the assembly comprises a stress corrosion cracking resistance for a marine environment. | 02-02-2012 |
20120090738 | Abnormal Grain Growth Suppression in Aluminum Alloys - The present invention provides a process for suppressing abnormal grain growth in friction stir welded aluminum alloys by inserting an intermediate annealing treatment (“IAT”) after the welding step on the article. The IAT may be followed by a solution heat treatment (SHT) on the article under effectively high solution heat treatment conditions. In at least some embodiments, a deformation step is conducted on the article under effective spin-forming deformation conditions or under effective superplastic deformation conditions. The invention further provides a welded article having suppressed abnormal grain growth, prepared by the process above. Preferably the article is characterized with greater than about 90% reduction in area fraction abnormal grain growth in any friction-stir-welded nugget. | 04-19-2012 |
20160017474 | Thermo-Mechanical Fatigue Resistant Aluminum Abradable Coating - An aluminum coating to be deposited on a substrate having a first coefficient of thermal expansion has an aluminum matrix, and particles of a material having a low coefficient of thermal expansion incorporated into the matrix. The particles bond sufficiently well to the aluminum matrix to carry a portion of the mechanical load. | 01-21-2016 |
20160030992 | HOT-STAMPING TAILOR-WELDED BLANKS OF ALUMINUM SHEET - Forming a tailor-welded blank (TWB) having aluminum sheets includes various elements. For example, a hot-stamping methodology is applied to a welded blank for meeting load and stiffness requirements in tandem to weight efficiency. A TWB can result in improved material utilization, and applying the hot-stamping methodology can improve the formability of the TWB. After forming and subsequent processing, a peak-age heat treatment is utilized such that a lightweight, high strength part may be attained. | 02-04-2016 |
20170233857 | Al-Mg-Zn Alloy With Scandium For The Integral Construction Of ALM Structures | 08-17-2017 |