PRE-CONDITIONED AlSiFe COATING OF BORON STEEL USED IN HOT STAMPING

A process for pre-conditioning a hot stamped part is provided. The process includes continuously annealing a boron steel material having an aluminum coating for a predetermined time and at a predetermined temperature such that less than 10% Iron (Fe) is in the aluminum coating and AlSi pockets are f...

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Bibliographische Detailangaben
Hauptverfasser:	Chiriac, Constantin, Kernosky, Stephen, Sohmshetty, Raj, Bullard, Elizabeth, Engle, James
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A process for pre-conditioning a hot stamped part is provided. The process includes continuously annealing a boron steel material having an aluminum coating for a predetermined time and at a predetermined temperature such that less than 10% Iron (Fe) is in the aluminum coating and AlSi pockets are formed in the aluminum coating prior to a subsequent hot stamping process, wherein the predetermined time and temperature are a function of a thickness of the boron steel material.