Alcoa Inc.

Aluminum Company of America

Arconic Corporation

Aloca Inc.

Arconic Technologies LLC

Ralph R Sawtell

Jen C Lin

Roberto J Rioja

John Newman

Gregory B Venema

Philip E Bretz

Rajeev G Kamat

Gary H Bray

Dhruba J Chakrabarti

David I Yun

John Liu

Edward L Colvin

Robert W Westerlund

Dustin M Bush

Jay H Goodman

Cynthia M Krist

Andre L Wilson

Shawn Patrick Sullivan

Diana K Denzer

Warren H Hunt, Jr

Craig L Jensen

Cindie Giummarra

Warren H Hunt

Men Glenn Chu

Raymond J Kilmer

Albert L Askin

Xinyan Yan

Shawn J Murtha

James R Fields

James Daniel Bryant

Cagatay Yanar

M K Premkumar

James T Staley

Chul W Cho

Darl G Boysel

David J McNeish

Thomas N Rouns

Jocelyn I Petit

Gino Norman Iasella

Eric T Streicher

Les A Yocum

Mario Greco

H Robert Baumgartner

Michael F Ehman

Mosur K Premkumar

Ian Murray

Janell Lyn Abbott

Brett P Connor

Todd K Cogswell

John W Cobes

James T Burg

Frankie E Phelps

Stephen F Baumann

Dirk C Mooy

Harry R Zonker

Thomas J Rodjom

Asuri K Vasudevan

Julien Boselli

James E Luzader

Thomas V Pierce

John H Milsom

David A Linde

Matthew P Kiley

Ronald E Boylstein

Francine S Bovard

Henry G Paris

James A DerKacy

Donald P Hill

Michael S Cooper

John J Connelly

Erik J Hilinski

John M Newman

Francine Bovard

New 2xxx aluminum alloys containing vanadium are disclosed. In one embodiment, the aluminum alloy includes 3.3-4.1 wt. % Cu, 0.7-1.3 wt. % Mg, 0.01-0.16 wt. % V, 0.05-0.6 wt. % Mn, 0.01 to 0.4 wt. % of at least one grain structure control element, the balance being aluminum, incidental elements and impurities. The new alloys may realize an improved combination of properties, such as in the T39 or T89 tempers.

Aluminum-copper alloys containing vanadium

Aluminum alloy products, such as plate, forgings and extrusions, suitable for use in making aerospace structural components like integral wing spars, ribs and webs, comprises about: 6 to 10 wt. % Zn; 1.2 to 1.9 wt. % Mg; 1.2 to 2.2 wt. % Cu, with Mg&#x2264;(Cu+0.3); and 0.05 to 0.4 wt. % Zr, the balance Al, incidental elements and impurities. Preferably, the alloy contains about 6.9 to 8.5 wt. % Zn; 1.2 to 1.7 wt. % Mg; 1.3 to 2 wt. % Cu. This alloy provides improved combinations of strength and fracture toughness in thick gauges. When artificially aged per the 3-stage method of preferred embodiments, this alloy also achieves superior SCC performance, including under seacoast conditions.

Aluminum alloy products having improved property combinations and method for artificially aging same

The present application discloses wrought 2xxx Al&#x2014;Li alloy products that are work insensitive. The wrought aluminum alloy products generally include from about 2.75 wt. % to about 5.0 wt. % Cu, from about 0.2 wt. % to about 0.8 wt. % Mg, where the ratio of copper-to-magnesium ratio (Cu/Mg) in the aluminum alloy is in the range of from about 6.1 to about 17, from about 0.1 wt. % to 1.10 wt. % Li, from about 0.3 wt. % to about 2.0 wt. % Ag, from 0.50 wt. % to about 1.5 wt. % Zn, up to about 1.0 wt. % Mn, the balance being aluminum, optional incidental elements, and impurities. The wrought aluminum alloy products may realize a low strength differential and in a short aging time due to their work insensitive nature.

2XXX series aluminum lithium alloys having low strength differential

New magnesium-zinc aluminum alloy bodies and methods of producing the same are disclosed. The new magnesium-zinc aluminum alloy bodies generally include 3.0-6.0 wt. % magnesium and 2.5-5.0 wt. % zinc, where at least one of the magnesium and the zinc is the predominate alloying element of the aluminum alloy bodies other than aluminum, and wherein (wt. % Mg)/(wt. % Zn) is from 0.6 to 2.40, and may be produced by preparing the aluminum alloy body for post-solutionizing cold work, cold working by at least 25%, and then thermally treating. The new magnesium-zinc aluminum alloy bodies may realize improved strength and other properties.

Heat treatable aluminum alloys having magnesium and zinc

High strength forged aluminum alloys and methods for producing the same are disclosed. The forged aluminum alloy products may have grains having a high aspect ratio in at least two planes, generally the L-ST and the LT-ST planes. The forged aluminum alloy products may also have a high amount of texture. The forged products may realize increased strength relative to conventionally prepared forged products of comparable product form, composition and temper.

High strength forged aluminum alloy products

New 2xxx aluminum alloy bodies and methods of producing the same are disclosed. The new 2xxx aluminum alloy bodies may be produced by preparing the aluminum alloy body for post-solutionizing cold work, cold working by at least 25%, and then thermally treating. The new 2xxx aluminum alloy bodies may realize improved strength and other properties.

2xxx aluminum alloys, and methods for producing the same

Heat treatable aluminum alloy strips and methods for making the same are disclosed. The heat treatable aluminum alloy strips are continuously cast and quenched, with optional rolling occurring before and/or after quenching. After quenching, the heat treatable aluminum alloy strip is neither annealed nor solution heat treated.

Aluminum alloys and methods for producing the same

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.

Aluminum-copper-lithium alloys

Heat treatable aluminum alloys having magnesium and zinc and methods for producing the same

New 6xxx aluminum alloy bodies and methods of producing the same are disclosed. The new 6xxx aluminum alloy bodies may be produced by preparing the aluminum alloy body for post-solutionizing cold work, cold working by at least 25%, and then thermally treating. The new 6xxx aluminum alloy bodies may realize improved strength and other properties.

6XXX aluminum alloys, and methods for producing the same

New 7xxx aluminum alloy bodies and methods of producing the same are disclosed. The new 7xxx aluminum alloy bodies may be produced by preparing the aluminum alloy body for post-solutionizing cold work, cold working by at least 25%, and then thermally treating. The new 7xxx aluminum alloy bodies may realize improved strength and other properties.

7XXX aluminum alloys, and methods for producing the same

Improved 5xxx aluminum alloys and products made therefrom are disclosed. The new 5xxx aluminum alloy products may achieve an improved combination of properties due to, for example, the presence of copper. In one embodiment, the new 5xxx aluminum alloy products are able to achieve an improved combination of properties by solution heat treatment.

5XXX aluminum alloys and wrought aluminum alloy products made therefrom

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Gibsonia, PA, United States of America

Ralph R Sawtell