Tailor-Welded Blank and Method of Forming Same
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United States of America Patent
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May 15, 2006
filing date -
May 15, 2006
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Abstract
A tailor-welded blank is formed by resistance mash seam welding an overlapped metallic sheet and a laminated steel structure that has a viscoelastic layer sandwiched between steel layers. Preferably, assuming the metallic sheet is approximately 1.3 millimeters (mm) thick and the laminated steel structure is approximately 1.15 millimeters (mm) thick, the weld speed is approximately 7 meters per minute (mpm), the weld pressure is approximately 0.3 millipascals (mPa) and the weld current is approximately 30.3 kiloamps (kA). The tailor-welded blank may be stamped to form an automotive component
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