Design concepts for lightweight components and subassemblies must fulfill high technical requirements while remaining economically feasible. Materials with extraordinary kinetic energy absorbing potential at a wide range of temperatures and other environmental circumstances are one key to automotive lightweight design. High-Manganese TWIP Steels allow for complex geometries with exceptional strain hardening potential. This paper will give an overview on the developments at ThyssenKrupp Steel Europe and its subsidiary Hoesch Hohenlimburg in the field of hot- and cold-rolled High-Manganese FeMn (H-Mn) steels. The stable austenitic Fe-Mn-Cr-Al and Fe-Mn-Cr-Al-V alloyed steel grades combine good weldability and high resistance against hydrogen induced cracking with outstanding forming and impact resistance properties. Specific mechanical properties, forming properties, welding characteristica and bake-hardening potentials are presented and availability and fields of application are shown.
Austenitic high-manganese steel for cold forming with resistance to hydrogen induced cracking
Austenitischer hochmanganhaltiger Stahl für Kaltumformungen mit Widerstand gegen wasserstoffinduzierte Rissbildung
2014
4 Seiten, 4 Bilder, 1 Quelle
Conference paper
Storage medium
English
Manganstahl , austenitischer Stahl , Kaltumformen , Schweißbarkeit , Schlagfestigkeit , Risswiderstand , Leichtbau , Anwendung im Fahrzeugbau , Kaltverfestigung , mechanische Eigenschaft , Formbarkeit , Grenzformänderungskurve , Spannungs-Dehnungs-Diagramm , Werkstoffvergleich , inkrementelle Blechumformung , Young-Modul , Kraft-Weg-Kurve , Punktschweißen , industrielle Anwendung , wasserstoffinduzierte Rissbildung
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