Entries |
Document | Title | Date |
20080196796 | Zn-Al Alloy Having Excellent High-Speed Deformation Properties and Process For Producing the Same - A Zn—Al alloy excellent in static deformability as well as dynamic deformability and applicable to large-sized structures, and a method for production thereof. The alloy contains 30-99% Zn, with the remainder being Al and inevitable impurities, and has a metallographic structure in which the α phase or α′ phase having an average grain size no larger than 5 μm contains the β phase finely dispersed therein, the Al inclusions have a maximum equivalent circle diameter no larger than 50 μm and are free of pores no smaller than 0.5 mm in terms of equivalent circle diameter, and the macrosegregation of Al is less than 3.0% and the microsegregation of Al is less than 2.0%. (% means mass %.) | 08-21-2008 |
20090151822 | TITANIUM ALUMINIDE ALLOYS - Alloys based on titanium aluminides, such as γ (TiAl) which may be made through the use of casting or powder metallurgical processes and heat treatments. The alloys contain titanium, 38 to 46 atom % aluminum, and 5 to 10 atom % niobium, and they contain composite lamella structures with B19 phase and β phase there in a volume ratio of the B19 phase to β phase 0.05:1 and 20:1. | 06-18-2009 |
20090288740 | METHOD AND SYSTEM FOR PRODUCING A CAST COMPONENT - The invention relates to a method for producing a cast component ( | 11-26-2009 |
20090314392 | CAST COMPONENT AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to a method for the production of a cast component made of an aluminium diecasting alloy, in which the cast component is subjected to a heat treatment process after casting, wherein an aluminium diecasting alloy is used, by means of which the cast component has an elongation at break A | 12-24-2009 |
20100101689 | METHOD AND UNIT FOR PRODUCTION OF A CAST COMPONENT - The invention relates to a method for the production of a cast component ( | 04-29-2010 |
20100180988 | High strength aluminum alloys and process for making the same - High strength aluminum alloys based on the Al—Zn—Mg—Cu alloy system preferably include high levels of zinc and copper, but modest levels of magnesium, to provide increased tensile strength without sacrificing toughness. Preferred ranges of the elements include by weight, 8.5-10.5% Zn, 1.4-1.85% Mg, 2.25-3.0% Cu and at least one element from the group Zr, V, or Hf not exceeding about 0.5%, the balance substantially aluminum and incidental impurities. In addition, small amounts of scandium (0.05-0.30%) are also preferably employed to prevent recrystallization. During formation of the alloys, homogenization, solution heat treating and artificial aging processes are preferably employed. | 07-22-2010 |
20100224289 | METHODS OF ENHANCING MECHANICAL PROPERTIES OF ALUMINUM ALLOY HIGH PRESSURE DIE CASTINGS - 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. | 09-09-2010 |
20100224290 | ALUMINUM ALLOY CASTING AND METHOD FOR PRODUCING THE SAME, AND APPARATUS FOR PRODUCING SLIDE MEMBER - There are provided an aluminum alloy casting free from crack-causing needle-shaped crystallized substances and an apparatus and a method for producing a slide member excellent in mechanical properties such as abrasion resistance. | 09-09-2010 |
20100252148 | HEAT TREATABLE L12 ALUMINUM ALLOYS - 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 L1 | 10-07-2010 |
20100288401 | Aluminum casting alloy - A cast aluminum alloy contains at least five of the following alloy components: 2.5 to 3.3 wt.-% of Si; 0.2 to 0.7 wt.-% of Mg; <0.18 wt.-% of Fe; <0.5 wt.-% of Mn; <0.1 wt.-% of Ti; <0.03 wt.-% of Sr; 0.3 to 1.3 wt.-% of Cr; and <0.1 wt.-% of others, supplemented by Al to add up to 100 wt.-%. The parts cast from the alloy are preferably homogenized by annealing for 1 to 10 hours at 490° C. to 540° C. and tempered for 1 to 10 hours at 150° C. to 200° C. Preferably, the alloy is used for chassis parts in motor vehicles. | 11-18-2010 |
20120000578 | CAST ALUMINUM ALLOYS - Aluminum alloys having improved properties are provided. The alloy includes about 0 to 2 wt % rare earth elements, about 0.5 to about 14 wt % silicon, about 0.25 to about 2.0 wt % copper, about 0.1 to about 3.0 wt % nickel, approximately 0.1 to 1.0% iron, about 0.1 to about 2.0 wt % zinc, about 0.1 to about 1.0 wt % magnesium, 0 to about 1.0 wt % silver, about 0.01 to about 0.2 wt % strontium, 0 to about 1.0 wt % scandium, 0 to about 1.0 wt % manganese, 0 to about 0.5 wt % calcium, 0 to about 0.5 wt % germanium, 0 to about 0.5 wt % tin, 0 to about 0.5 wt % cobalt, 0 to about 0.2 wt % titanium, 0 to about 0.1 wt % boron, 0 to about 0.2 wt % zirconium, 0 to 0.5% yttrium, 0 to about 0.3 wt % cadmium, 0 to about 0.3 wt % chromium, 0 to about 0.5 wt % indium, and the balance aluminum. Methods of making cast aluminum parts are also described. | 01-05-2012 |
20120132324 | ALUMINUM-COPPER-LITHIUM ALLOYS - Improved aluminum-copper-lithium alloys are disclosed. The alloys may include 3.4-4.2 wt. % Cu, 0.9-1.4 wt. % Li, 0.3-0.7 wt. % Ag, 0.1-0.6 wt. % Mg, 0.2-0.8 wt. % Zn, 0.1-0.6 wt. % Mn, and 0.01-0.6 wt. % of at least one grain structure control element, the balance being aluminum and incidental elements and impurities. The alloys achieve an improved combination of properties over prior art alloys. | 05-31-2012 |
20120152414 | MULTI-ELEMENT HEAT-RESISTANT ALUMINUM ALLOY MATERIAL WITH HIGH STRENGTH AND PREPARATION METHOD THEREOF - 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 (R | 06-21-2012 |
20120168041 | ALUMINUM ALLOY CASTING MATERIAL FOR HEAT TREATMENT EXCELLING IN HEAT CONDUCTION AND PROCESS FOR PRODUCING THE SAME - 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. | 07-05-2012 |
20120211130 | HIGH-ELONGATION RATE ALUMINUM ALLOY MATERIAL FOR CABLE AND PREPARATION METHOD THEREOF - A high-elongation rate aluminum alloy material and preparation method thereof. The high-elongation aluminum alloy material contains, in weight percentage, 0.30-1.20% of iron, 0.03-0.10% of silicon, 0.01-0.30% of rare earth elements, namely cerium and lanthanum, and the remaining aluminum and inevitable impurities. The aluminum alloy is made from materials through a fusion casting process and a half-annealing treatment. An aluminum alloy conductor made thereof has a high-elongation rate and good safety and stability in use. | 08-23-2012 |
20120261034 | METHOD OF CREATING A CAST AUTOMOTIVE PRODUCT HAVING AN IMPROVED CRITICAL FRACTURE STRAIN - The present invention provides a casting having increased crashworthiness including 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. | 10-18-2012 |
20120261035 | HIGH STRENGTH, HIGH STRESS CORROSION CRACKING RESISTANT AND CASTABLE Al-Zn-Mg-Cu-Zr ALLOY FOR SHAPE CAST PRODUCTS - The present invention provides an Al—Zn—Mg—Cu casting alloy that provides high strength for automotive and aerospace applications and optimized stress corrosion cracking resistance in highly corrosive and tensile environments. The inventive alloy composition includes about 3.5 wt. % to about 5.5 wt. % Zn; about 1.0 wt. % to about 3.0 wt. % Mg; about 0.5 wt. % to about 1.2 wt. % Cu; less than about 1.0 wt. % Si; less than about 0.30 wt. % Mn; less than about 0.30 wt. % Fe; and a balance of Al and incidental impurities. | 10-18-2012 |
20130186525 | METHOD AND DEVICE FOR PRODUCING MOTOR VEHICLE CHASSIS PARTS - 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. | 07-25-2013 |
20130284322 | THICK PRODUCTS MADE OF 7XXX ALLOY AND MANUFACTURING PROCESS - 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:
| 10-31-2013 |
20130312876 | Process for Producing an ALSCCA Alloy and also an AISCCA Alloy - 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. | 11-28-2013 |
20140182750 | METHOD FOR PRODUCING AN ALUMINUM ALLOY CASTING - 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. | 07-03-2014 |
20140202598 | LIGHTWEIGHT, CRASH-SENSITIVE AUTOMOTIVE COMPONENT - 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. | 07-24-2014 |
20140251511 | HEAT TREATABLE ALUMINUM ALLOYS HAVING MAGNESIUM AND ZINC AND METHODS FOR PRODUCING THE SAME - 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. | 09-11-2014 |
20140261907 | ALUMINUM ALLOY SUITABLE FOR HIGH PRESSURE DIE CASTING - 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. | 09-18-2014 |
20140360633 | ALUMINUM PRODUCT MANUFACTURING METHOD USING DIE CASTING AND ALUMINUM BRAKE CALIPER MANUFACTURING METHOD USING THE SAME - 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. | 12-11-2014 |
20150090373 | ALUMINUM ALLOYS WITH HIGH STRENGTH AND COSMETIC APPEAL - 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. | 04-02-2015 |
20150307969 | ALUMINUM CASTING ALLOY - An aluminum casting alloy contains the following alloy components: Si: 3.0 to 3.8 wt.-%, Mg: 0.3 to 0.6 wt.-%, Cr: 0.05 to <0.25 wt.-%, Fe: <0.18 wt.-%, Mn: <0.06 wt.-%, Ti: <0.16 wt.-%, Cu: <0.006 wt.-%, Sr: 0.010 to 0.030 wt.-%, Zr: <0.006 wt.-%, Zn: <0.006 wt.-%, Contaminants: <0.1 wt.-%, and is supplemented to 100 wt.-% with Al, in each instance. | 10-29-2015 |
20160115575 | ALUMINUM ALLOY PRODUCTS AND A METHOD OF PREPARATION - 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. | 04-28-2016 |
20160145722 | ALLOY CASTING MATERIAL AND METHOD FOR MANUFACTURING ALLOY OBJECT - An alloy casting material is provided, which includes 97 to 99 parts by weight of Al and Si, 0.25 to 0.4 parts by weight of Cu, and 0.15 to 1.35 parts by weight of a combination of at least two of Mg, Ni, and Ti. The alloy casting material can be sprayed by gas to form powders, which are melted by laser-additive manufacturing to form a melted object. The melted object can be processed by an ageing heat treatment to complete an alloy object. | 05-26-2016 |
20160193655 | Method for Demoulding a Casting, Cast from a Light Metal Melt, from a Casting Mould | 07-07-2016 |