Novelis, Inc.

ChangOok Son

David Anthony Gaensbauer

Robert Bruce Wagstaff

Rajeev G Kamat

Andrew James Hobbis

Sazol Kumar Das

Rodger Brown

Michael R Kosmicki

David Skingley Wright

Peter Knelsen

Theresa Elizabeth MacFarlane

Guillaume Florey

Cyrille Bezencon

Alp Manavbasi

Antoine Jean Willy Pralong

David Michael Custers

Natasha Iyer

Peter Lloyd Redmond

Milan Felberbaum

Juergen Timm

Duane E Bendzinski

Liangliang Li

Christophe Besson

Dewei Zhu

Dechao Lin

Rashmi Ranjan Mohanty

Devesh Mathur

Yudie Yuan

Julio Malpica

Curtis Eddie

Kevin Mark Johnson

Matthew Josef Heyen

Louis Mitchell Nazro

Kyle Haines

Doug Keim

Brian Paradis

Luis Fanor Vega

Amanda Owens

Mark Marsh

David Fryatt

Martin Beech

Rainer Kossak

Matthew Heyen

David Scott Fisher

Peter Evans

A metal joiner system includes a power source and a metal joiner. The metal joiner includes a cleaning header, a cutting header, a joining header, and a joint finisher, each of which are communicatively coupled to the power source. The cutting header and cleaning header are configured to direct a first laser beam to prepare a joining region, and the joining header is configured to direct a second laser beam to form a joint in the joining region. A method of joining a metal substrates includes forming a joining region in abutting metal substrates, directing the first laser beam onto the joining region in a joint preparation stage, and directing the second laser beam onto the joining region to form a weld. A product of a metal joiner, a weld, has a portion of weld metal removed at the weld start and the weld crater regions.

Metal joiner system, associated methods, and products

A rotating magnet heater for metal products, such as aluminum strip, can include permanent magnet rotors arranged above and below a moving metal strip to induce moving or time varying magnetic fields through the metal strip. The changing magnetic fields can create currents (e.g., eddy currents) within the metal strip, thus heating the metal strip. A magnetic rotor set can include a pair of matched magnetic rotors on opposite sides of a metal strip that rotate at the same speed. Each magnetic rotor of a set can be positioned equidistance from the metal strip to avoid pulling the metal strip away from the passline. A downstream magnetic rotor set can be used in close proximity to an upstream magnetic rotor set to offset tension induced by the upstream magnetic rotor set.

Rotating magnet heat induction

Provided herein are highly-formable aluminum alloys and methods of making such alloys. The method of preparing aluminum alloys described herein can include a low final cold reduction step and/or an optional inter-annealing step to produce randomly distributed crystallographic texture components that produce an isotropic aluminum alloy product exhibiting improved formability and deep drawability. The methods described herein result in aluminum alloy microstructures having a balance of alpha fibers and beta fibers that promote improved formability of aluminum alloy sheets. The resulting improvements in quality allow for shaping processes with reduced rates of spoilage.

Methods of making highly-formable aluminum alloys and aluminum alloy products thereof

Disclosed are aluminum alloy products and methods of making and processing such products. Thus, disclosed are aluminum alloy products exhibiting controllable surface properties, including excellent bond durability, low contact resistance, and corrosion resistance. Aluminum alloy products described herein include a migrant element, a subsurface portion having a concentration of the migrant element, and a bulk portion having a concentration of the migrant element. The aluminum alloy product comprises an enrichment ratio of 4.0 or less, wherein the enrichment ratio is a ratio of the migrant element concentration in the subsurface portion to the concentration in the bulk portion. Additionally, the aluminum alloy products surface and/or subsurface can contain phosphorus (e.g., elemental phosphorus or oxidized phosphorus). The phosphorus containing surface provides reduced electronic stress on an electrode tip of a resistance spot welding apparatus, and an extended service lifetime (e.g., weld cycles to failure) of the electrode tip.

Aluminum alloy products exhibiting improved bond durability and methods of making the same

Described are techniques for treating metals by exposing the metals to reactive solutions to reduce a temperature of the metal and to modify a surface of the metal through chemical reaction, such as by removing material or adding material. The disclosed techniques may advantageously increase the rate at which the temperature of the metal may be reduced as compared to conventional cooling techniques involving pure water, increase metal manufacturing rates, and reduce overall complexity of a metal manufacturing process. The disclosed techniques may also advantageously expand the range of available surface treatments, allow for faster surface treatment processes, and reduce or eliminate the use of hazardous chemicals during a surface treatment process. Such advantages may arise by employing chemical processing that takes place or takes place more efficiently at elevated temperatures.

Reactive quenching solutions and methods of use

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Marietta, GA, United States of America

ChangOok Son