Abstract: The present invention relates to an aluminum alloy for the manufacture of thick blocks comprising (as a percentage by weight), Zn: 5.3-5.9%, Mg: 0.8-1.8%, Cu: <0.2%, Zr: 0.05 to 0.12%, Ti<0.15%, Mn<0.1%, Cr<0.1%, Si<0.15%, Fe<0.20%, impurities having an individual content of <0.05% each and <0.15% in total, the rest aluminum, The alloy may be used in a process comprising the steps of: (a) casting a thick block of an alloy according to the invention (b) solution heat treating said cast block at a temperature of 500 to 560° C. for 10 minutes to 20 hours, (c) cooling said solution heat treated block to a temperature below 100° C., (d) tempering said solution heat treated and cooled block by heating to 120 to 170° C. for 4 to 48 hours, In this process, said block is not subjected to any significant deformation by working between the casting and the tempering.

Abstract: The invention relates to a method for producing an engine component, in particular a piston for an internal combustion engine, wherein an aluminum alloy is cast in the gravity die casting process and wherein the aluminum alloy has 7 to <14.5 wt % silicon, >1.2 to ?4 wt % nickel, >3.7 to <10 wt % copper, <1 wt % cobalt, 0.1 to 1.5 wt % magnesium, 0.1 to ?0.7 wt % iron, 0.1 to ?0.7 wt % manganese, >0.1 to <0.5 wt % zirconium, ?0.1 to ?0.3 wt % vanadium, 0.05 to 0.5 wt % titanium, and 0.004 to ?0.05 wt % phosphorus as alloying elements and aluminum and unavoidable contaminants as the remainder. The aluminum alloy can optionally comprise beryllium, wherein the calcium content is limited to a low level.

Abstract: An aluminum alloy contains 0.7% to 1.8% of silicon, 0.5% to 2.1% of copper, 0.4% to 1.8% of manganese, 0.6% to 1.6% of magnesium, and 0.1% to 0.7% of zinc in terms of mass ratio and the balance aluminum with inevitable impurities.

Abstract: This invention relates to the field of welding high strength aluminum structures, and more particularly to the alloy filler metal composition, its resultant microstructure, and the physical and mechanical properties which are obtained in the weld bead during fusion welding. A composition for producing small diameter aluminum welding filler metal wires having a chemistry comprising Si varying from approximately 0.3 to 0.9 wt. %, Mn varying from approximately 0.05 to 1.2 wt. %, Mg varying from approximately 2.0 to 7.0 wt. %, Cr varying from approximately 0.05 to 0.30 wt. %, Zr varying from approximately 0.05 to 0.30 wt. %, Ti varying from approximately 0.003 to 0.20 wt. %, and B varying from approximately 0.0010 to 0.030 wt. %, and a remainder of aluminum and various trace elements.

Abstract: An aluminum alloy material of the present disclosure has an alloy composition containing Mg: 0.50% by mass or more and 6.0% by mass or less, Fe: 0% by mass or more and 1.50% by mass or less, Si: 0% by mass or more and 1.0% by mass or less, one or more selected from Cu, Ag, Zn, Ni, Ti, Co, Au, Mn, Cr, V, Zr and Sn: 0% by mass or more and 2.0% by mass or less in total, with the balance being Al and inevitable impurities. The aluminum alloy material has a fibrous metallographic structure in which crystal grains extend so as to be aligned in one direction, and an average value of sizes perpendicular to longitudinal direction of the crystal grains is 310 nm or less in a cross section parallel to the one direction.

Abstract: An aluminum-based composite material includes an aluminum parent phase, and stick-shaped or needle-shaped dispersive matter of aluminum carbide dispersed in the aluminum parent phase. A method of manufacturing the aluminum-based composite material includes a step of mixing aluminum powder having a purity of 99% by mass or higher with a stick-shaped or needle-shaped carbon material, and pressing and molding a resulting mixture, so as to prepare a compacted powder body. The manufacturing method further includes a step of heating the compacted powder body at 600C to 660C to react the carbon material with aluminum in the aluminum powder, so as to disperse the stick-shaped or needle-shaped dispersive matter of aluminum carbide in the aluminum parent phase.

Abstract: The present disclosure concerns embodiments of aluminum alloy compositions exhibiting superior microstructural stability and strength at high temperatures. The disclosed aluminum alloy compositions comprise particular combinations of components that contribute the ability of the alloys to exhibit improved microstructural stability and hot tearing resistance as compared to conventional alloys. Also disclosed herein are embodiments of methods of making and using the alloys.

Abstract: The present invention relates to aluminum alloy products that can be riveted and possess excellent ductility and toughness properties. The present invention also relates to a method of producing the aluminum alloy products. In particular, these products have application in the automotive industry.

Abstract: An aluminium alloy extruded product obtained by casting a billet from a 6xxx aluminium alloy comprising: Si: 0.3-1.5 wt. %; Fe: 0.1-0.3 wt. %; Mg: 0.3-1.5 wt. %; Cu<1.5 wt. %; Mn<1.0%; Zr<0.2 wt. %; Cr<0.4 wt. %; Zn<0.1 wt. %; Ti<0.2 wt. %, V<0.2 wt. %, the rest being aluminium and inevitable impurities; Wherein an ageing treatment is applied such that the product presents an excellent compromise between strength and crashability, with a yield strength Rp0.2 higher than 240 MPa, preferably higher than 280 MPa and when axially compressed, the profile presents a regularly folded surface having cracks with a maximal length of 10 mm, preferably less than 5 mm.

Abstract: Disclosed herein are embodiments of an aging heat treatment that can be used to replace conventional aging steps when making alloy embodiments of the present disclosure. Embodiments of the disclosed aging heat treatment reduce cost and complexity in producing aluminum alloy-based components while also promoting and/or improving microstructure stability of the aluminum alloys.

Abstract: The invention relates to a wrought product such as an extruded, rolled and/or forged aluminum alloy-based product, comprising, in weight %: Cu: 3.0-3.9; Li: 0.8-1.3; Mg: 0.6-1.0; Zr: 0.05-0.18; Ag: 0.0-0.5; Mn: 0.0-0.5; Fe+Si?0.20; Zn?0.15; at least one element from among: Ti: 0.01-0.15; Sc: 0.05-0.3; Cr: 0.05-0.3; Hf: 0.05-0.5; other elements ?0.05 each and ?0.15 total, remainder aluminum. The invention also relates to the process for producing said product. The products according to the invention are particularly useful in the production of thick aluminum products intended for producing structural elements in the aeronautical industry.

Abstract: Provided is an aluminum alloy substrate for a magnetic disk that includes an aluminum alloy containing 0.4 to 3.0 mass % (hereinafter abbreviated as “%”) of Fe, 0.005% to 1.000% of Cu, and 0.005% to 1.000% of Zn, with a balance of Al and unavoidable impurities. This substrate has a ratio A/B of 0.70 or more, where A indicates a distribution density of Al—Fe intermetallic compound particles having maximum diameters of 10 ?m or more and less than 16 ?m, and B indicates a distribution density of Al—Fe intermetallic compound particles having maximum diameters of 10 ?m or more. The distribution density of Al—Fe intermetallic compound particles having maximum diameters of 40 ?m or more is at most one per square millimeter. Also provided are a method of fabricating this aluminum alloy substrate for a magnetic disk and a magnetic disk composed of the aluminum alloy substrate for a magnetic disk.

Abstract: Systems and methods for continuously casting Al—Mg alloy sheet or plate product having a high amount of magnesium are disclosed. The Al—Mg products have 4 or 6 to 8 or 10 wt. % Mg and are resistant to both stress corrosion cracking and intergranular corrosion.

Abstract: An aluminum alloy fin material for a heat exchanger in the present invention comprises an aluminum alloy having a composition containing Mn: 1.2 to 2.0%, Cu: 0.05 to 0.20%, Si: 0.5 to 1.30%, Fe: 0.05 to 0.5%, and Zn: 1.0 to 3.0% by mass and a remainder comprising Al and an unavoidable impurity, further containing one or two or more of Ti: 0.01 to 0.20%, Cr: 0.01 to 0.20% and Mg: 0.01 to 0.20% by mass as desired, and, after heating in brazing, has a tensile strength of 140 MPa or more, a proof stress of 50 MPa or more, an electrical conductivity of 42% IACS or more, an average grain diameter of 150 ?m or more and less than 700 ?m, and a potential of ?800 mV or more and ?720 mV or less.

Abstract: A method for manufacturing an aluminum wire is provided. The aluminum wire includes an inner-layer conductor having one or a plurality of inner-layer alloy wires including aluminum and an outer-layer conductor having a plurality of outer-layer alloy wires including aluminum and provided on the inner-layer conductor. The method includes an outer-layer twisting step of twisting, over the inner-layer conductor, the outer-layer alloy wires provided on the inner-layer conductor, and an outer-layer rotational compression step of compressing the outer-layer alloy wires twisted in the outer-layer twisting step while being rotated in the same direction as the direction of the twisting in the outer-layer twisting step.

Abstract: The invention relates to an aluminium alloy for the production of lithographic printing plate supports and also to an aluminium strip produced from the aluminium alloy, a process for the production of the aluminium strip and also its use for the production of lithographic printing plate supports. The object of providing an aluminium alloy as well as an aluminium strip from an aluminium alloy that permits the production of printing plate supports having improved bending-strength fatigue transverse to the rolling direction without adversely affecting the tensile strength values before and after the annealing process and while preserving the roughening properties, is achieved by the fact that the aluminium alloy contains the following alloy components in weight percent: 0.4%<Fe?1.0%, 0.3%<Mg?1.0%, 0.05%?Si?0.25%, Mn?0.25%, Cu?0.04%, Ti<0.1%, the remainder being Al and unavoidable impurities, individually at most 0.05% and totaling at most 0.05%.

Abstract: Provided is an aluminum alloy plate for blow molding comprising: 0.3% by mass or more and 1.8% by mass or less of Mg; 0.6% by mass or more and 1.6% by mass or less of Si; and 0.2% by mass or more and 1.2% by mass or less of Mn; wherein, in at least one surface of the aluminum alloy plate for blow molding, X and Y satisfy the following relations: 0.10?X, and, Y??8.0X+10.8; wherein X represents the ratio of regions whose valley depth in a roughness curve is 0.3 ?m or more; and Y represents the yield stress upon deformation of the aluminum alloy plate for blow molding under predetermined conditions.

Abstract: A plug-in connector and a semi-finished product include a strip of an aluminum alloy and at least one bonding layer of a copper/tin alloy electrolytically applied directly onto the aluminum alloy strip. The bonding layer has a thickness of at most 50 nm. A further metal layer or alloy layer is applied onto the bonding layer.

Abstract: The invention relates to a method for manufacturing a laminated or forged material, the thickness of which is 14 to 100 mm. The materials according to the invention are particularly suitable for manufacturing airplane underwing elements.

Abstract: An aluminum alloy includes, in weight percent, 0.50-1.30% Si, 0.2-0.60% Fe, 0.15% max Cu, 0.5-0.90% Mn, 0.6-1.0% Mg, and 0.20% max Cr, the balance being aluminum and unavoidable impurities. The alloy may include excess Mg over the amount that can be occupied by Mg—Si precipitates. The alloy may be utilized as a matrix material for a composite that includes a filler material dispersed in the matrix material. One such composite may include boron carbide as a filler material, and the resultant composite may be used for neutron shielding applications.