Abstract: The present invention relates to metallurgy of high-strength cast and wrought alloys based on aluminum, and can be used in missioncritical designs operable under load, in the transport field, sports industry, casings for electronic devices, and other industrial sectors. The technical result aims to enhance mechanical characteristics of articles produced from the alloy by precipitation hardening caused by secondary phases in the age-hardening process while providing high workability during casting. The claimed high-strength alloy comprises zinc, magnesium, nickel, iron, copper, zirconium, and at least one metal selected from a group consisting of titanium, scandium and chromium, with the following amounts in, wt %: zinc 3.8-7.4; magnesium 1.2-2.6; nickel 0.5-2.5; iron 0.3-1.0; copper 0.001-0.25; zirconium 0.05-0.2; titanium 0.01-0.05; scandium 0.05-0.10; chromium 0.04-0.

Abstract: An aluminum alloy for near net shaped casting of structural components is disclosed. The alloy contains 2 to 10 wt. % Zn, 0.5 to 5 wt. % Mg, 0.5 to 5 wt. %) Fe, optionally Cu, Ti, Sr, Be, Zr, V, Cr, Sc, Na, Si, Mn, Mo, B, and Ni, with balance aluminum. The alloy may be subjected to heat treatment selected from the group consisting of solutionizing, incubation, aging, and two or more heat treatment steps.

Abstract: Disclosed are high-strength, highly deformable aluminum alloys and methods of making and processing such alloys. More particularly, disclosed is a heat treatable aluminum alloy exhibiting improved mechanical strength and formability. The processing method includes casting, homogenizing, hot rolling, solutionizing, pre-aging and in some cases pre-straining. In some cases, the processing steps can further include cold rolling and/or heat treating.

Abstract: A method for heat treating cast aluminum alloy components that includes obtaining a casting formed from an aluminum alloy having a silicon constituent and at least one metal alloying constituent, and heating the casting to a first casting temperature that is below but within 10° C. of a predetermined silicon solution temperature at which the silicon constituent rapidly enters into solid solution. The method also includes increasing the rate of heat input into the casting to raise the temperature of the casting to a second casting temperature that is above but within 10° C. of a predetermined alloying metal solution temperature at which the at least one metal alloying constituent rapidly enters into solid solution, maintaining the casting at the second casting temperature for a period of time that is less than about 20 minutes, and then quenching the casting to a temperature less than or about 250° C.

Abstract: An aluminum alloy and a preparation method thereof are provided. The aluminum alloy of the present disclosure includes, in percentage by weight, 8-10% of silicon, 0.2-0.4% of magnesium, 0-0.01% of manganese, 0-0.01% of titanium, 0.1-0.3% of iron, 0.02-0.06% of boron, 0.15-0.3% of cerium, and 88.92-91.53% of aluminum.

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: A method of suppressing the Samson phase, Al3Mg2, at grain boundaries in Aluminum, comprising providing aluminum in a container, adding boron to the container, providing an inert atmosphere, arc-melting the aluminum and the boron, and mixing the aluminum and the boron in the container to form an alloy mixture. An aluminum magnesium alloy with reduced Samson phase at grain boundaries made from the method of providing aluminum in a container, adding boron to the container, providing an inert atmosphere, arc-melting the aluminum and the boron, and mixing the aluminum and the boron in the container to form an alloy mixture.

Abstract: Method for the manufacturing of an Al—Mg—Si(—Cu) extrusion alloy, the alloy initially being cast to extrusion billet(s), containing in wt. % Si: 0.20-1.50 Mg: 0.25-1.50 Fe: 0.05-0.50 Cu: 0.00-1.00 Mn: 0.00-1.00 Cr: 0.00-0.50 Zn: 0.00-0.50 Ti: 0.00-0.20, and including incidental impurities and balance Al.

Abstract: Provided are an anti-fatigue in-situ aluminum-based nanocomposite material for heavy-load automobile hubs and a preparation method therefor. By means of the fine adjustment of components and a forming process, in situ nano-compositing, micro-alloying and rapid compression moulding techniques are combined. That is, after the addition of Zr and B, an in-situ reaction occurs to form a nano ZrB2 ceramic reinforcement, which is distributed in aluminum crystals and crystal boundaries and bonded to a metallurgical interface kept firm with the matrix.

Abstract: Aluminum-Iron-Zirconium alloys that exhibit improved electrical and mechanical properties.

Abstract: The disclosure provides an aluminum alloy including having varying ranges of alloying elements. In various aspects, the alloy has a wt % ratio of Zn to Mg ranging from 4:1 to 7:1. The disclosure further includes methods for producing an aluminum alloy and articles comprising the aluminum alloy.

Abstract: An aluminum alloy material for use in thermal conduction to which improved castability has been imparted by silicon addition. It has improved thermal conductivity and improved strength. The material has a composition containing 7.5-12.5 mass % Si and 0.1-2.0 mass % Cu, the remainder being Al and unavoidable impurities, wherein the amount of copper in the state of a solid solution in the matrix phase is regulated to 0.3 mass % or smaller. The composition may further contain at least 0.3 mass % Fe and/or at least 0.1 mass % Mg, provided that the sum of (Fe content) and (content of Mg among the impurities)×2 is 1.0 mass % or smaller and the sum of (Cu content), (content of Mg among the impurities)×2.5, and (content of Zn among the impurities) is 2.0 mass % or smaller.

Abstract: The invention provides a method of refining aluminum alloy, which is characterized in that aluminum-based nanometer quasicrystal alloy is used as an aluminum alloy refiner to refine the aluminum alloy; the aluminum-based nanometer quasicrystal alloy does not comprise Si, Fe or Cr; the aluminum-based nanometer quasicrystal alloy consists of (1) Al; (2) Mn and (3) La and/or Ce. The refiner selected in the invention is rare earth-containing alloy which has a strong refinement ability on the aluminum alloy, and is nanometer quasicrystal; after adding the rare earth-containing alloy to melt, the element distribution of the rare earth-containing alloy is more uniform than that of traditional alloy; and nanometer quasicrystal particles substantially increase the number of heterogeneous nucleation particles and improve the grain refinement effect of the aluminum alloy.

Abstract: A method and alloys for low pressure permanent mold casting without a coating are disclosed. The method includes preparing a permanent mold casting die that is devoid of die coating or lubrication along the die surface, preparing a permanent mold casting alloy, pushing the alloy into the die under low pressure, cooling the permanent mold casting, and removing the casting from the die. One alloy has 4.5-11.5% by weight silicon; 0.45% by weight maximum iron; 0.20-0.40% by weight manganese; 0.045-0.110% by weight strontium; 0.05-5.0% by weight copper; 0.01-0.70% by weight magnesium; and the balance aluminum. Another alloy has 4.2-5.0% by weight copper; 0.005-0.45% by weight iron; 0.20-0.50% by weight manganese; 0.15-0.35% by weight magnesium; 0.045-0.110% by weight strontium; 0.50% by weight maximum nickel; 0.10% by weight maximum silicon; 0.15-0.30% by weight titanium; 0.05% by weight maximum tin; 0.10% by weight maximum zinc; and the balance aluminum.

Abstract: An aluminum alloy brazing sheet exhibits excellent brazability by effectively weakening an oxide film formed on the surface of a filler metal. The aluminum alloy brazing sheet includes a core material and a filler metal, and is used to braze aluminum in an inert gas atmosphere or in vacuum, the core material including aluminum or an aluminum alloy, the filler metal including 6 to 13 mass % of Si, with the balance being Al and unavoidable impurities, and one side or each side of the core material being clad with the filler metal, wherein the core material is clad with the filler metal in a state in which a sheet material is interposed between the core material and the filler metal, the sheet material including one element, or two or more elements, among 0.05 mass % or more of Li, 0.05 mass % or more of Be, 0.05 mass % or more of Ba, and 0.05 mass % or more of Ca, with the balance being Al and unavoidable impurities.

Abstract: The present disclosure provides an aluminum (Al) alloy for continuous casting, and a method of making the same. The Al alloy includes Al, Si in the range of 14 to 20 wt %, Ti in the range of 2 to 7 wt % and B in the range of 1 to 3 wt %. According to the disclosure, TiB2 compound may be formed in the alloy, where the ratio of Ti:B may range from 2 to 2.5 wt %. By a process of continuously casting the molten metal, an aluminum alloy with improved elasticity may be produced.

Abstract: A method includes product side showering of showering a first surface (the surface of a product (11) opposite to a feeder head (12)) of an Al alloy casting (10) including the product (11) and the feeder head (12) with mist of cooling liquid, and feeder head side showering of showering a second surface (the surface of the feeder head (12) opposite to the product (11)) of the Al alloy casting (10) with the mist of the cooling liquid. The feeder head side showering starts showering the second surface of the Al alloy casting (10) after a start and before an end of the product side showering to quench and cool the Al alloy casting (10) together with the product side showering.

Abstract: An aluminum alloy has a low thermal conductivity at room temperature (25° C.) and a high thermal conductivity at high temperature (200° C.). The aluminum alloy includes 1˜2 wt % of magnesium (Mg), 1˜2 wt % of copper (Cu), 1˜2 wt % of zinc (Zn), 0.5˜2 wt % of nickel (Ni), and the remainder of aluminum (Al) and inevitable impurities.

Abstract: A rotor includes a shorting ring defining a plurality of cavities therein, and a plurality of conductor bars each integral with the shorting ring and having an end disposed within a respective one of the plurality of cavities. The shorting ring and each of the conductor bars are formed from an aluminum alloy including a lanthanoid present in an amount of from about 0.1 part by weight to about 0.5 parts by weight based on 100 parts by weight of the aluminum alloy. An aluminum alloy, and a method of forming a rotor are also disclosed.

Abstract: A method for transforming a cast component made of modified aluminum alloy by increasing the impact toughness coefficient using minimal heat and energy. The aluminum alloy is modified to contain 0.55%-0.60% magnesium, 0.10%-0.15% titanium or zirconium, less than 0.07% iron, a silicon-to-magnesium product ratio of 4.0, and less than 0.15% total impurities. The shortened heat treatment requires an initial heating at 1,000° F. for up to 1 hour followed by a water quench and a second heating at 350° F. to 390° F. for up to 1 hour. An optional short bake paint cycle or powder coating process further increases the impact toughness coefficient of the cast component.

Abstract: Methods and technologies to maximize the aging response and the mechanical properties of aluminum alloys are provided. In one embodiment, the aging process for the slowly-quenched aluminum alloys includes, but is not limited to, at least a two-stage solution treatment and a two-stage aging hardening. In the solution treatment, the components are first heat treated at an initial solution treatment temperature and then gradually heated up to about 5° C. to about 30° C. above the initial solution treatment temperature for the material. For the aging treatment, the castings/components are first aged at a lower temperature followed by a higher temperature for the subsequent aging stages. The temperature increase during solution treatment and/or aging can be in steps, in a continuous manner, or combinations thereof. Another embodiment includes a two stage aging process in which there is a non-isothermal aging step.

Abstract: An automobile component including an aluminum alloy product having a base aluminum alloy layer and a first additional aluminum alloy layer disposed directly on the base layer. The base aluminum alloy layer includes 2.0 to 22 wt. % zinc and the zinc is a predominate alloying element of the base layer other than aluminum and the first additional aluminum alloy layer includes 0.20 to 8.0 wt. % magnesium and the magnesium is a predominate alloying element of the first additional aluminum alloy layer other than aluminum. The automobile component may include outer panel sections, high form inner sections, reinforcement sections, crash sections, large flat panel sections, and high strength sections and, when tested in a static axial crush test, a peak load of the automobile component increases at least 20% when compared to alloy 6014 in the T6 temper.

Abstract: An aluminum alloy fin material for a heat exchanger having suitable strength before brazing enabling easy fin formation, having high strength after brazing, having a high thermal conductivity (electrical conductivity) after brazing, and having superior sag resistance, erosion resistance, self corrosion prevention, and sacrificial anode effect, a method of production of the same, and a method of production of a heat exchanger using the fin material are provided, that is, an aluminum alloy fin material having a chemical composition of Si: 0.7 to 1.4 wt %, Fe: 0.5 to 1.4 wt %, Mn: 0.7 to 1.4 wt %, and Zn: 0.5 to 2.5 wt %, Mg as an impurity limited to 0.

Abstract: The disclosure provides an aluminum alloy including having varying ranges of alloying elements. In various aspects, the alloy has a wt % ratio of Zn to Mg ranging from 4:1 to 7:1. The disclosure further includes methods for producing an aluminum alloy and articles comprising the aluminum alloy.

Abstract: An aluminum alloy and a method of casting. At least one of zirconium, scandium, a nucleating agent selected from the group consisting of metal carbides, aluminides and borides, and rare earth elements are added to the alloy while in the molten state such that upon solidification, the cast alloy exhibits improved hot tear resistance. In a particular form, the nucleating agent may be titanium diboride for grain refining. Other agents that can be used for grain refining include scandium, zirconium, silicon, silver and one or more rare earth elements. In the case of rare earth elements, mischmetal may be used as a precursor. Combinations of titanium diboride and at least one other agent are especially effective in reducing the incidence of hot tearing in products cast from the modified aluminum alloy.

Abstract: An aluminum material for producing light-weight components includes aluminum (Al), scandium (Sc), zirconium (Zr) and ytterbium (Yb), where a weight ratio of scandium (Sc) to zirconium (Zr) to ytterbium (Yb) [Sc/Zr/Yb] is in a range from 10/5/2.5 to 10/2.5/1.25.

Abstract: An aluminum alloy casting material for heat conducting is provided, wherein the thermal conductivity is improved of an aluminum alloy casting material whereof the castability is improved by the addition of silicon where said invention is characterized by being an aluminum alloy casting material with excellent thermal conductivity, comprising 5-10.0% by mass of silicon, 0.1-0.5% by mass of magnesium and the remainder comprising aluminum and inevitable impurities, and whereon aging treatment has been performed.

Abstract: There are provided a method of manufacturing an aluminum product and a method of manufacturing an aluminum brake caliper each using die casting, for improving flow and run of molten metal during casting and enhancing productivity and quality. In a method of manufacturing an aluminum product provided with opposing portions opposed to each other with a hollow portion interposed in between, and connecting portions connecting the opposing portions at two sides thereof, the method includes a die casting step of performing casting by pouring molten metal of an aluminum alloy from a gate for the molten metal formed in one of the opposing portions via the connecting portions and a bridge connecting the two opposing portions, and a bridge removing step of removing the bridge.

Abstract: The disclosure is directed to a method of forming high-aspect-ratio metallic glass articles that are substantially free of defects and cosmetic flaws by means of rapid capacitive discharge forming. Metallic glass alloys that are stable against crystallization for at least 100 ms at temperatures where the viscosity is in the range of 100 to 104 Pa-s are considered as suitable for forming such high-aspect-ratio articles.

Abstract: Methods of manufacturing castings are described. The method can include heating a ceramic mold comprising a gate inlet, and melting a metallic composition. The method can also include presenting the ceramic mold to a casting station such that the gate inlet is in fluid communication with the molten metallic composition, and casting against gravity the molten metallic composition into the heated mold through the gate inlet. Furthermore, the method can include rotating the mold to position with the gate inlet in an upward direction while the metallic composition is at least partially molten within the mold, and quenching the molten metallic composition in a liquid quench medium to solidify the molten metallic composition within the mold.

Abstract: Copper-free aluminum alloys suitable for high pressure die casting and capable of age-hardening under elevated temperatures are provided. The allow includes about 9.5-13 wt % silicon, about 0.2 to 0.6 wt % Magnesium, about 0.1 to 2 wt % iron, about 0.1 to 2 wt % manganese, about 0.1 to 1 wt % nickel, about 0.5 to 3 wt % zinc, and 0 to 0.1 wt % strontium, with a balance of aluminum. Methods for making high pressure die castings and castings manufactured from the alloy are also provided.

Abstract: The present invention discloses an aluminum alloy material, which is made of raw material of aluminum alloy. The raw material of aluminum alloy consists of the following constituents by percentage of weight: graphene: 0.1%˜1%, carbon nano tube: 1%˜5%, the rest being Al. The aluminum alloy material of the present invention has a good performance of heat dissipation, the thermal conductivity is higher than 200 W/m. Meanwhile, the present invention further provides a method of manufacturing aluminum alloy backboard, in which method, the raw material of aluminum alloy is heated and melted in a heating furnace, afterwards, the raw material of aluminum alloy after melting is formed into an aluminum alloy backboard by die-casting, in this way, the utilization rate of material is increased and the manufacturing cost of the backboard is reduced.

Abstract: New heat treatable aluminum alloys having magnesium and zinc are disclosed. The new aluminum alloys generally contain 3.0-6.0 wt. % Mg, 2.5-5.0 wt. % Zn, where (wt. % Mg)/(wt. % Zn) is from 0.60 to 2.40.

Abstract: A method of manufacturing a turbocharger component for an internal combustion engine is disclosed. The method may include introducing a material into a mold, wherein the material includes at least one added alloying element. The method may further include applying a pressure to the material, and solidifying the material by cooling the material at a cooling rate, wherein the solidifying preserves an amount of the at least one added alloying element in solid solution in the material. The method may also include forming precipitates within the material by aging the material at an aging temperature.

Abstract: A method of forming a bulk metallic glass is provided. The method includes overheating the alloy melt to a temperature above a threshold temperature, Ttough, associated with the metallic glass demonstrating substantial improvement in toughness compared to the toughness demonstrated in the absence of overheating the melt above Tliquidus, and another threshold temperature, TGFA, associated with the metallic glass demonstrating substantial improvement in glass-forming ability compared to the glass-forming ability demonstrated in the absence of overheating the melt above Tliquidus. After overheating the alloy melt to above Ttough and TGFA, the melt may be cooled and equilibrated to an intermediate temperature below both Ttough and TGFA but above Tliquidus, and subsequently quenched at a high enough rate to form a bulk metallic glass.

Abstract: The present invention provides a casting having increased crashworthiness including an an aluminum alloy of about 6.0 wt % to about 8.0 wt % Si; about 0.12 wt % to about 0.25 wt % Mg; less than or equal to about 0.35 wt % Cu; less than or equal to about 4.0 wt % Zn; less than or equal to about 0.6 wt % Mn; and less than or equal to about 0.15 wt % Fe, wherein the cast body is treated to a T5 or T6 temper and has a tensile strength ranging from 100 MPa to 180 MPa and has a critical fracture strain greater than 10%. The present invention further provides a method of forming a casting having increased crashworthiness.

Abstract: A method for producing high strength aluminum alloy containing L12 intermetallic dispersoids by using gas atomization to produce powder that is then consolidated into L12 aluminum alloy billets or by casting the alloy into molds to produce L12 aluminum alloy billets or by casting the alloy into directly useable parts.

Abstract: An aluminum alloy comprising 2.1 to 2.8 wt. % Cu, 1.1 to 1.7 wt. % Li, 0.1 to 0.8 wt. % Ag, 0.2 to 0.6 wt. % Mg, 0.2 to 0.6 wt. % Mn, a content of Fe and Si less or equal to 0.1 wt. % each, and a content of unavoidable impurities less than or equal to 0.05 wt. % each and 0.15 wt. % total, and the alloy being substantially zirconium free.

Abstract: A method for manufacturing an aluminum alloy casting includes obtaining the aluminum alloy casting by casting an aluminum alloy into a mold, performing solution heat treatment, rapidly cooling the casting, performing aging treatment, and cooling the casting. The aluminum alloy includes, in terms of mass ratios, 4.0 to 7.0% of Si, 0.5 to 2.0% of Cu, 0.25 to 0.5% of Mg, no more than 0.5% of Fe, and no more than 0.5% of Mn, and at least one component selected from the group consisting of 0.002 to 0.02% of Na, 0.002 to 0.02% of Ca and 0.002 to 0.02% of Sr, a remainder being Al and inevitable impurities. An internal combustion engine cylinder head is composed of the aluminum alloy casting and manufactured by the method of the casting. The aluminum alloy casting is suitable for applications requiring superior elongation, high cycle fatigue strength and high thermal fatigue strength.

Abstract: A heat-resistant aluminum alloy material with high strength and preparation method thereof are provided. The aluminum alloy material comprises (by weight %): Cu: 1.0˜10.0, Mn: 0.05˜1.5, Cd: 0.01˜0.5, Ti: 0.01˜0.5%, B: 0.01˜0.2 or C: 0.0001˜0.15, Zr: 0.01˜1.0, R: 0.001˜3 or (R1+R2): 0.001˜3, RE: 0.05˜5, and balance Al:, wherein, R, R1, and R2 include Be, Co, Cr, Li, Mo, Nb, Ni, W. The Al alloy has the advantages of narrow quasi-solid phases temperature range of alloys, low hot cracking liability during casting improved high temperature strength and high heat resistance.

Abstract: An aluminum casting alloy contains Si: 3.0 wt.-% to 3.8 wt.-% Mg: 0.3 wt.-% to 0.6 wt.-% Cr: 0.25 wt.-% to 0.35 wt.-% Fe: <0.18 wt.-% Mn: <0.06 wt.-% Ti: <0.16 wt.-% Cu: <0.006 wt.-% Sr: 0.010 wt.-% to 0.030 wt.-% Zr: <0.006 wt.-% Zn: <0.006 wt.-% Contaminants: <0.1 wt.-%, and is supplemented to 100 wt.-%, in each instance, with Al.

Abstract: Methods of enhancing mechanical properties of aluminum alloy high pressure die castings are disclosed herein. An aluminum alloy composition forming a casting comprises, by weight of the composition, at least one of a magnesium concentration greater than about 0.2%, a copper concentration greater than about 1.5%, a silicon concentration greater than about 0.5%, and a zinc concentration greater than about 0.3%. After solidification, a casting is cooled to a quenching temperature between about 300° C. and about 500° C. Upon attainment of the quenching temperature, the casting is removed from the die and immediately quenched in a quench media. Following quenching, the casting is pre-aged at a reduced temperature between about room temperature and about 100° C. Thereafter, the casting is aged via at least one substantially isothermal aging at one or more elevated temperatures between about 150° C. and about 240° C.

Abstract: A fuel tank for a vehicle is made of a cast aluminum alloy and has good ductility and toughness. The cast aluminum alloy is subjected to a heat treatment at a temperature of no less than about 350° C. and no more than about 390° C. to possess a Vickers hardness of about 70 HV or less.

Abstract: A method for adding calcium to an aluminum-scandium alloy to produce an aluminum-scandium-calcium alloy involves combining aluminum, scandium, and calcium in a melt and the common melt is quenched at a high velocity.

Abstract: An aluminum alloy casting having high electric resistance, high toughness and high corrosion resistance and optimally usable in manufacturing of electric motor housings, and a method of manufacturing said aluminum alloy casting are provided. The aluminum alloy casting has a composition including Si: 11.0-13.0 mass %, Fe: 0.2-1.0 mass %, Mn: 0.2-2.2 mass %, Mg: 0.7-1.3 mass %, Cr: 0.5-1.3 mass % and Ti: 0.1-0.5 mass %, with the balance consisting of Al and unavoidable impurities, wherein the content of Cu as an unavoidable impurity is limited to 0.2 mass % or less. In some cases, heat treatments such as solution heat treatment or artificial aging hardening treatment are performed after casting.

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: Aluminum or aluminum alloy sputter targets and methods of making same are provided. The pure aluminum or aluminum alloy is mechanically worked to produce a circular blank, and then the blank is given a recrystallization anneal to achieve desirable grain size and crystallographic texture. A 10-50% additional strain is provided to the blank step after the annealing to increase the mechanical strength. Further, in a flange area of the target, the strain is greater than in the other target areas with the strain in the flange area being imparted at a rate of about 20-60% strain. The blank is then finished to form a sputtering target with desirable crystallographic texture and adequate mechanical strength.

Abstract: High temperature heat treatable aluminum alloys that can be used at temperatures from about ?420° F. (?251° C.) up to about 650° F. (343° C.) are described. The alloys are strengthened by dispersion of particles based on the L12 intermetallic compound Al3X. These alloys comprise aluminum; silicon; at least one of scandium, erbium, thulium, ytterbium, and lutetium; and at least one of gadolinium, yttrium, zirconium, titanium, hafnium, and niobium. Magnesium and copper are optional alloying elements.

Abstract: The invention relates to a method and device for producing motor vehicle chassis parts which can be subjected to tensile stress, compressive stress and torsion and the mechanical strength of which can be adjusted over the respective cross-section, and which furthermore have high ductility and temperature stability and are made of an AlSiZnMg alloy by means of permanent mould casting.

Abstract: A method for the heat treatment of a casting produced by high pressure die casting, that may exhibit blister forming porosity in the as-cast condition, of an age-hardenable aluminum alloy, includes solution treating the casting by heating the casting to and within a temperature range enabling solute elements to be taken into solid solution. The casting then is cooled to terminate the solution treatment by quenching the casting to a temperature below 100° C. The cooled casting is held in a temperature range enabling natural and/or artificial ageing. The solution treatment is conducted to achieve a level of solute element solution enabling age-hardening without expansion of pores in the casting causing unacceptable blistering of the casting.