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Work-hardening of dual-phase steel

Rieger, Florian

Abstract (englisch):
Low-alloyed dual-phase steels are widely used for automotive applications. The favorable mechanical properties of this material class are induced by the composite-like microstructure, i.e., strong martensitic inclusions embedded into a ductile ferrite matrix. This work presents a nonlinear two-scale model that is physically-motivated. The model comprises long-range stresses and includes microstructural parameters. It is suitable to predict the mechanical behavior of different dual-phase steels.

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Volltext §
DOI: 10.5445/IR/1000054459
Zugehörige Institution(en) am KIT Institut für Technische Mechanik (ITM)
Publikationstyp Hochschulschrift
Jahr 2015
Sprache Englisch
Identifikator urn:nbn:de:swb:90-544593
KITopen-ID: 1000054459
Verlag KIT, Karlsruhe
Abschlussart Dissertation
Fakultät Fakultät für Maschinenbau (MACH)
Institut Institut für Technische Mechanik (ITM)
Prüfungsdaten 15.05.2015
Referent/Betreuer Prof. T. Böhlke
Schlagworte dual phase steel, work hardening, dislocation-density based modelling, microstructure, mean-field
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