GM to increase aluminum use in vehicles
Sep 24, 2012 | 01:52 PM
| 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.
GMs 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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