METHODS OF FORMING AND STAMPING TAILOR FRICTION STIR WELDED BLANKS WITH ENHANCED EDGE STRETCH

A method of forming a stamped part includes forming a tailor welded blank by friction stir welding (FSW) a first blank to a second blank, removing a FSW start spot and a FSW stop spot from the tailor welded blank using a machining process such that a finished tailor welded blank is formed and stampi...

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Bibliographische Detailangaben
Hauptverfasser:	Ilinich, Andrey M, Danyo, Michael William, Hoffman, Ryan, Ren, Feng
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PUNCHING METAL SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A method of forming a stamped part includes forming a tailor welded blank by friction stir welding (FSW) a first blank to a second blank, removing a FSW start spot and a FSW stop spot from the tailor welded blank using a machining process such that a finished tailor welded blank is formed and stamping the finished tailor welded blank into the stamped part such that a weld formed by FSW the first blank to the second blank is plastically deformed. The first blank and the second blank can be aluminum alloy blanks and a predetermined amount of material is machined from the FSW start spot and the FSW stop spot, the predetermined amount of material being equal to or greater than a thickness of the first blank and the second blank.