Tailor welded blank, manufacturing method thereof, and hot stamped component using tailor welded blank
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United States of America Patent
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Feb 6, 2018
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N/A
app pub date -
Feb 24, 2015
filing date -
Dec 3, 2012
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Abstract
Disclosed are a tailor welded blank and a manufacturing method thereof. The tailor welded blank is manufactured by connecting blank elements of different materials or thicknesses, thereby eliminating quality problems in a welded zone. A hot stamped component is manufactured by hot stamping the tailor welded blank formed by laser-welding blank elements made of coated steel plates having different strengths or thicknesses using a filler wire, wherein a laser-welded zone has a martensite structure.
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