Class 148/437 - Aluminum base

Subclass of Class 148 - Metal treatment
Definition: Stock material which contains over 50 percent of aluminum
No. of patents: 433
Last issue date: 05/08/2012

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Number	Title	Issue Date
4939032	Composite materials having improved fracture toughness Composite materials having improved fracture toughness are formed by dispersing ductile inclusions in a less ductile matrix. The matrices may be formed from metals, such as high-strength aluminum alloys or ceramics. Bonding should be present between the i...	07/03/1990
4929285	Aluminum sheet product having reduced earing and method of making There is provided a method of fabricating sheet stock having reduced earing during container forming. The method comprises the steps of providing a body of an aluminum base alloy suitable for rolling into sheet stock for forming containers therefrom and h...	05/29/1990
4929421	Aluminum alloys and a method of production A new family of medium and high strength, thermally stable aluminum based alloys are described having the following composition: 0.4 to 1.2% by weight chromium, 0.3 to 0.8% by weight zirconium, 1.5 to 2.5% by weight manganese, 0 to 2.0% by weight magnesiu...	05/29/1990
4929511	Low temperature aluminum based brazing alloys Apparatus is provided for fabricating continuous metal strip composed of a low density, readily oxidizable aluminum based alloy. The allow is cast directly from the melt through a slotted nozzle onto a moving chill substrate. A scraping mechanism located ...	05/29/1990
4927469	Alloy toughening method A method of treating a metallurgical object containing metastable featureless regions adversely affecting toughness, comprising heating the object for transforming the regions at least sufficiently out of their metastable state to improve toughness. A met...	05/22/1990
4921548	Aluminum-lithium alloys and method of making same Disclosed is a method of producing an unrecrystallized wrought aluminum-lithium product having improved levels of strength and fracture toughness. The method comprises the steps of providing a body of a lithium containing aluminum base alloy; heating the ...	05/01/1990
4917739	Rapidly solidified aluminum-transition metal-silicon alloys The present invention provides a method for producing an aluminum alloy which includes the step of carbo-thermically reducing an aluminous material to provide an alloy consisting essentially of the formula Albal TMd Sie, w...	04/17/1990
4915747	Aluminum-lithium alloys and process therefor Disclosed is a method of producing an unrecrystallized, thin gauge cold rolled aluminum-lithium sheet product having improved levels of strength and fracture toughness. The method comprises the steps of providing a body of a lithium containing aluminum ba...	04/10/1990
4908077	Scroll made of aluminum alloy Forged compressor scrolls are made of an aluminum-silicon alloy consisting essentially of 8.5 to 10.5% silicon and not more than 0.2% antimony wherein the silicon is present as eutectic particles having an average particle diameter in the range of 2 to 8 ...	03/13/1990
4897127	Rapidly solidified and heat-treated manganese and niobium-modified titanium aluminum alloys A TiAl composition is prepared to have high strength and to have improved ductility by altering the atomic ratio of the titanium and niobium to have what has been found to be a highly desirable effective aluminum concentration by addition of a combination...	01/30/1990
4886713	Deep drawable aluminum sheet or strip A deep drawable sheet or strip of metal, preferably aluminum or an aluminum alloy having a surface treated for deep drawing characterized in that the surface has a microroughness, Ra, ranging between about 0.1 and 0.8 μm and a uniform, honeycomb-shaped s...	12/12/1989
4879095	Rapidly solidified aluminum based silicon containing, alloys for elevated temperature applications A rapidly solidified aluminum-base alloy consists essentially of the formula Albal Fea Sib Vc, wherein "a" ranges from 3.0 to 7.1 atom percent, "b" ranges from 1.0 to 3.0 atom percent, "c" ranges from 0.25 to 1....	11/07/1989
4878967	Rapidly solidified aluminum based, silicon containing alloys for elevated temperature applications A rapidly solidified aluminum-base alloy consists essentially of the formula Albal Fea Sib Xc wherein X is at least one element selected from the group consisting of Mn,V,Cr,Mo,W,Nb,Ta, "a" ranges from 2.0 to 7....	11/07/1989
4874440	Superplastic aluminum products and alloys Superplastic forming of aluminum work stock is improved by including therein about 0.05% to about 10% or 15% scandium. In preferred practices, soluble elements such as magnesium are also included in the aluminum alloy. One or more of the elements from the...	10/17/1989
4873054	Third element additions to aluminum-titanium master alloys An improved aluminum-titanium master alloy is provided. Such alloy contains a small be effective amount of, in weight percent, any two or more elements selected from the group consisting of carbon about 0.003 up to 0.1, sulfur about 0.03 up to 2, phosphor...	10/10/1989
4867805	Superplastic aluminum alloys, alloy processes and component part formations thereof Improved superplastic aluminum alloys are formulated to contain less than 0.05 weight percent each of iron and silicon based on the total weight of the superplastic aluminum alloy. Advantageously these two elements are present at levels of 0.03 weight per...	09/19/1989
4865666	Multicomponent, low density cubic L1₂ aluminides Intermetallics capable of use as structural elements, exhibiting relatively high ductility and low brittleness, comprise ternary and quaternary TiAl3 alloys of the general formulae Al--Ti--M and Al--Ti--M--M', wherein M is selected from Cu, Ni,...	09/12/1989
4865665	Metal alloy with large lattice spacing The invention concerns a metal alloy with large lattice spacings (>than 1 nm), and consisting essentially of, by weight: at least one element selected from a group A consisting of Al, Zn and Cu, total group A elements being 44-92%; at least one element se...	09/12/1989
4859252	High damping capacity alloy and a process for producing the same A high damping capacity alloy comprising of 0.3-20% by weight of Si and the remainder of Al and, as the case may be, further comprising of 0.1-50% by weight in total of at least one subingredient of Pb, Sb, Ge, Ce, Ni, Co, Fe, Nb, Zr, Ti, Ca and B, the al...	08/22/1989
4857268	Method of making vanadium-modified titanium aluminum alloys A TiAl composition is prepared to have high strength and to have improved ductility by altering the atomic ratio of the titanium and aluminum to have what has been found to be a highly desirable effective aluminum concentration by addition of vanadium and...	08/15/1989
4844750	Aluminum-lithium alloys Disclosed is a method of making lithium containing aluminum base alloy products having improved properties in the short transverse direction. The method comprises the steps of providing a body of a lithium containing aluminum base alloy and heating the bo...	07/04/1989
4834942	Elevated temperature aluminum-titanium alloy by powder metallurgy process An aluminum-titanium alloy and a process of making it, the alloy consisting ssentially of aluminum, 4-6 wt. % titanium, 1-2 wt. % carbon, and 0.1-0.2 wt % oxygen. The alloy is an aluminum matrix supersaturated with titanium, and having throughout a fine, h...	05/30/1989
4834810	High modulus A1 alloys High modulus aluminum-base comprise mechanically alloyed aluminum-base compositions contain 10-25% titanium part of which may be replaced by vanadium or zirconium. Within described limits the alloys can contain elements other than oxygen and carbon ordina...	05/30/1989
4828632	Rapidly solidified aluminum based, silicon containing alloys for elevated temperature applications A rapidly solidified aluminum-base alloy consists essentially of the formula Albal Fea Sib Vc, wherein "a" ranges from 3.0 to 7.1 atom percent, "b" ranges from 1.0 to 3.0 atom percent, "c" ranges from 0.25 to 1....	05/09/1989
4818308	Aluminum alloy and method for producing the same Aluminum alloy comprises 10 to 36 wt % of Si, 2 to 10 wt % of at least one metal selected from the group consisting of Fe, Ni, Co, Cr and Mn, and remainder consisting essentially of aluminum. The aluminum alloy further includes 1.0 to 12 wt % of Cu and 0....	04/04/1989
4816088	Method of raising the recrystallization temperature of aluminium and of its alloys The invention relates to a method for the deformational transformation of aluminum and its alloys comprising the steps of deforming the aluminum in the solid state and annealing the deformed aluminum at a temperature at which recrystallization occurs. The...	03/28/1989
4816087	Process for producing duplex mode recrystallized high strength aluminum-lithium alloy products with high fracture toughness and method of making the same A method of producing a recrystallized aluminum-lithium product having improved levels of strength and fracture toughness is disclosed. The method comprises the steps of: providing a lithium-containing aluminum base alloy comprised of 0.5 to 4.0 wt. % Li,...	03/28/1989
4808374	Method for producing aluminum alloy castings and the resulting product A method for producing aluminum alloy castings and the resulting product having improved toughness. An Al-Si or Al-Si-Cu alloy containing 4 to 24 wt % of silicon, iron and other incidental impurities, the balance being aluminum is melted, and the melt is ...	02/28/1989
4806174	Aluminum-lithium alloys and method of making the same An aluminum base alloy wrought product having an isotropic texture and a process for preparing the same is disclosed. The product has the ability to develop improved properties in the 45° direction in response to an aging treatment and is comprised of 0....	02/21/1989
4804423	Al alloys having high proportions of Li and Si and a process for production thereof The invention concerns Al-base alloys with substantial proportions of Li and Si, containing, by weight: from 3.6 to 8% Li from 5 to 14% Si from 0 to 1% of each of the following optional elements: Fe, Co, Ni, Cr, Mn, Zr, V, Ti, Nb, Mo, O2, Sc, and fr...	02/14/1989
4802935	Substrate for a lithographic printing plate A substrate for a lithographic printing plate is made of a rolled aluminum alloy sheet of following composition: 0.8 to 2.0% Fe, up to 0.8% Si and up to 1.0% Mn, such that the sum of the Si and Mn contents lies between 0.3 and 1.3%, up to 0.3% Cu, up to 0...	02/07/1989
4799978	Aluminum alloy The aluminum alloy comprises by weight 81 to 91.8 percent aluminum, 4 to 8 percent iron, 4 to 8 percent nickel and 0.1 to 3 percent chromium. The preferred nominal composition is 86 percent aluminum, 6 percent iron, 6 percent nickel, and 2 percent chromiu...	01/24/1989
4787943	Dispersion strengthened aluminum-base alloy An aluminum alloy containing about 2 to 6 weight percent titanium, about 3 to 11 weight percent of a rare earth of the Lanthanide Series and up to about 3 weight percent of at least one Group VIII metal, balance aluminum, is disclosed. The alloy is prefer...	11/29/1988
4767678	Corrosion resistant magnesium and aluminum oxalloys The invention is an oxalloy consisting essentially of about 5 to about 57 weight percent magnesium or aluminum and about 0.5 to about 10 weight percent of one or more alloying materials selected from the group consisting of B, Al, Si, Ti, V, Cr, Mn, Fe, C...	08/30/1988
4765851	Aluminum alloy for the preparation of powders having increased high-temperature strength An aluminum alloy for the production of powders having increased high-temperature strength by rapid quenching, the said alloy containing 1.5 to 5% by weight of Li, 4 to 11% by weight of Fe and 1 to 6% by weight of at least one of the elements Mo, V or Zr,...	08/23/1988
4750945	Castings made from aluminium and its alloys, whereof at least one face has at least one region of wear-resistant zones Castings made from aluminum and its alloys have at least one face including at least one region of wear-resistant zones. These castings are formed by a controlled distribution of zones hardened by local melting effect. The zones, no matter what their leng...	06/14/1988
4747889	Interconnecting wire for semiconductor devices An interconnecting wire of aluminum alloy for semiconductor devices which as improved ball-forming performance in the ball-bonding process, without any loss of conductivity and corrosion resistance. There is also provided an interconnecting wire for semic...	05/31/1988
4747884	High strength aluminum-base alloy containing lithium and zirconium and methods of preparation Novel Al-Li-Zr alloys of the formula Albal Lib Zrc wherein "b" is about 1.9 through about 4.5 weight percent and "c" is about 0.70 through about 4.0 weight percent are disclosed. These alloys can be formed by mixing Al all...	05/31/1988
4743317	Aluminum-transition metal alloys having high strength at elevated temperatures The invention provides an aluminum based alloy consisting essentially of the formula Albal Fea Xb, wherein X is at least one element selected from the group consisting of Zn, Co, Ni, Cr, Mo, V, Zr, Ti, Y, Si and Ce, "a" ra...	05/10/1988
4737198	Method of making aluminum foil or fin shock alloy product The present invention includes casting, e.g., such as by roll casting, or slab casting, an alloy having components in the composition range of about 0.5-1.2% iron, 0.7-1.3% manganese, and 0-0.5% silicon by weight, homogenizing the cast alloy at temperatur...	04/12/1988

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Class 148/437 - Aluminum base