Class 148/502 - Aluminum(Al) or aluminum base alloy

Subclass of Class 148 - Metal treatment
Definition: Process wherein aluminum or an alloy containing greater
No. of patents: 22
Last issue date: 06/28/2011

Number	Title	Issue Date
7967925	Accelerated solution treatment process for aluminum alloys A method of providing solution heat treatment to an aluminum alloy. A non-isothermal process is used to provide a faster heat treatment cycle time while maintaining or further improving the alloy mechanical properties after subsequent aging hardening. The process in...	06/28/2011
7213967	Method and system for conservative evaluation, validation and monitoring of thermal processing A method of generating a temperature measurement for a batch or a continuous stream of material. The method includes providing a particle having a signal that changes at a pre-determined temperature; inserting the particle into the batch or continuous stream; and de...	05/08/2007
6858103	Method of optimizing heat treatment of alloys by predicting thermal growth The present invention discloses a method for optimizing heat treatment of precipitation-hardened alloys having at least one precipitate phase by decreasing aging time and/or aging temperature using thermal growth predictions based on a quantitative model. The method...	02/22/2005
6110829	Ultra-low temperature Al fill for sub-0.25 μm generation of ICs using an Al-Ge-Cu alloy An aluminum fill process for sub-0.25 μm technology integrated circuits that has a reflow temperature less than 400° C. that has low alloy resistivity and excellent electromigration characteristics. The aluminum allow is composed of Al-1% Ge-1% Cu....	08/29/2000
5772800	Aluminium alloy plate and method for its manufacture An aluminium alloy plate is provided with a thickness of more than 2 inches, e.g. 6, 7 or 8 inches, and having an average logarithmic fatigue life of more than 100,000 cycles determined in accordance with ASTM test method E 466. The density of micropores ...	06/30/1998
5341303	Method of developing complex tool shapes A method is disclosed for developing the contours of forming tools for fabricating metal members of complex shape such as wing skin and fuselage panels for aircraft. A computer simulation is performed of the age forming process on a geometrical representa...	08/23/1994
5168169	Method of tool development A method is disclosed for developing the contour of tools employed for forming aluminum alloy members exhibiting complex shapes. The members are precipitation, heat-treatable, aluminum alloys which are age formed. The resulting member is formed to the des...	12/01/1992
4955413	A alloy product containing Li, resistance to corrosion under stress, and process to obtain said product The invention concerns an Al alloy product containing lithium, with great specific mechanical strength and high tolerance to damage, particularly resistance to corrosion under stress in processed state (quenched-tempered), particularly in recrystallized s...	09/11/1990
4897125	Method of heat treatment of AL-based alloys containing Li and the product obtained by the method The invention concerns a method for final heat treatment tempering at Al alloys containing Li and at least one other major element selected from the group Cu, Mg and Zn, as well as possible minor elements such as Zr, Mn, Cr, Ni, Hf, Ti and Be, in addition...	01/30/1990
4894096	Products based on aluminum containing lithium which can be used in their recrystallized state and a process for obtaining them The invention relates to aluminum alloy products containing 1 to 3.5% Li, up to 4% Cu, up to 5% Mg and up to 3% Zr, and additions of Mn, Cr and/or Zr, in which: Znࣘ0.10%, Mnࣘ0.8%, and Crࣘ0.20%, ##EQU1## The alloy is recrystallized and has an av...	01/16/1990
4752343	Al-base alloys containing lithium, copper and magnesium and method The present invention relates to Al-base alloys essentially containing Li, Cu and Mg, and having high specific characteristics and a high degree of ductility. Their composition is as follows (% by weight): The heat treatment comprises a homogenization step at ...	06/21/1988
4610735	Method of modulated cooling to minimize deformation of flat metallurgical products The invention concerns a method for minimizing deformation during rapid cooling of flat metallurigcal products such as sheets, strips, flattened portions, wide sections and the like. The method comprises rapidly cooling the product by means of a fluid (or ...	09/09/1986
4488913	Method for interrupted hardening of aluminum-base alloys The invention relates to a method for interrupted quenching of aluminum alloys with structural hardening. It comprises, starting from solution annealing: (a) rapid cooling by quenching until the product reaches a temperature of from 150° to 260° C.; (b) stop...	12/18/1984
4477292	Three-step aging to obtain high strength and corrosion resistance in Al-Zn-Mg-Cu alloys A three-step thermal aging method for improving the strength and corrosion resistance of an article comprising a solution heat treated aluminum alloy containing zinc, magnesium, copper and at least one element selected from the group consisting of chromiu...	10/16/1984
4431463	Alloy and process for manufacturing rolled strip from an aluminum alloy especially for use in the manufacture of two-piece cans This invention relates to a wrought aluminum alloy, to its use for making semifinished and finished products and to processes of improving the properties, particularly the strength properties, of semifinished and finished products made of that alloy. A wr...	02/14/1984
4401727	Ferrous product having an alloy coating thereon of Al-Zn-Mg-Si Alloy, and method A coated ferrous article with improved properties, e.g., improved overall corrosion resistance and good appearance. The article has a ferrous substrate and a ductile, adherent, corrosion resistant alloy coating metallurgically bonded to the substrate. The...	08/30/1983
4305763	Method of producing an aluminum alloy product A 7000 series aluminum alloy characterized by high strength, high fatigue resistance and high fracture toughness consists essentially of 5.9 to 6.9% zinc, 2.0 to 2.7% magnesium, 1.9 to 2.5% copper, 0.08 to 0.15% zirconium, a maximum of 0.15% iron, a maxim...	12/15/1981
4200476	Process for the thermal treatment of thick products made of copper-containing aluminum alloys of the 7000 series A process for the thermal treatment of a relatively thick product made of a copper-containing aluminum alloy of the 7000 series, the invention involving a solution heat treatment, quenching and tempering in three steps: (1) preliminary tempering at betwee...	04/29/1980
4189334	Process for thermal treatment of thin 7000 series aluminum alloys and products obtained A process for the thermal treatment of thin products made of 7000 series aluminum alloys comprising a solution heat treatment, quenching treatment and a tempering treatment in three stages: pretempering between 100° and 150° C. for 5 minutes to 24 hours...	02/19/1980
4151013	Aluminum-magnesium alloys sheet exhibiting improved properties for forming and method aspects of producing such sheet Described is Al-Mg Sheet, in annealed condition, which has good formability and is further characterized structurally by its ability to be formed in the manufacture of sheet-metal products without being marked by Type A Luder lines. Also described are met...	04/24/1979
4121951	Aluminum alloy electrical conductor and method therefor An aluminum alloy electrical conductor consisting essentially of 0.07 - 0.2% Mg, 0.02 - 0.05% Zr, balance Al with minor amounts of other elements, annealed at 200° - 300° C to precipitate ZrAl3 and having an electrical conductivity of at leas...	10/24/1978
3945860	Process for obtaining high ductility high strength aluminum base alloys The present invention relates to aluminum base alloys having high strength and high ductility prepared by working at a temperature of from 450° to 950°F, working at a temperature below 450°F, holding at from 250° to 650°F, and working at a temperatur...	03/23/1976

PatentStorm

Quotables

PatentStorm News

Class 148/502 - Aluminum(Al) or aluminum base alloy