GM to increase aluminum use in vehicles

Sep 24, 2012 | 01:52 PM | Suzy Waite

Tags  General Motors, GM, aluminum, automaker, Jon Lauckner, Blair Carlson, Suzy Waite

NEW YORK — General Motors Co.’s research department has developed welding technology that will increase the amount of aluminum used in vehicles, the Detroit-based automaker said.

GM’s resistance spot welding process uses a patented multiring domed electrode that can weld aluminum to aluminum. This will eliminate nearly 2 pounds of rivets from aluminum body parts such as hoods, liftgates and doors, GM said. ....

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