Resistance spot welding workpiece stack-ups having a steel workpiece and an aluminum workpiece with a steel plate

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United States of America Patent

PATENT NO 11065710
APP PUB NO 20190283168A1
SERIAL NO

15920784

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Abstract

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A method of resistance spot welding a workpiece stack-up. The workpiece stack-up includes at least a steel workpiece and an aluminum workpiece. The method involves attaching a steel plate to the steel workpiece at a weld-site of the workpiece stack-up, passing electrical current between a first welding electrode and a second welding electrode at the weld-site, and terminating passage of electrical current between the first and second welding electrodes in order to form a weld joint. The steel plate serves to stiffen the weld joint.

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Patent Owner(s)

  • GM GLOBAL TECHNOLOGY OPERATIONS LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Carlson, Blair E Ann Arbor, US 97 679
Jensen, Charles E Shelby Township, US 30 288
Sigler, David R Shelby Township, US 104 1348

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