Ductility of Nanostructured Bainite
AbstractNanostructured bainite is a novel ultra-high-strength steel-concept under intensive current research, in which the optimization of its mechanical properties can only come from a clear understanding of the parameters that control its ductility. This work reviews first the nature of this composite-like material as a product of heat treatment conditions. Subsequently, the premises of ductility behavior are presented, taking as a reference related microstructures: conventional bainitic steels, and TRIP-aided steels. The ductility of nanostructured bainite is then discussed in terms of work-hardening and fracture mechanisms, leading to an analysis of the three-fold correlation between ductility, mechanically-induced martensitic transformation, and mechanical partitioning between the phases. Results suggest that a highly stable/hard retained austenite, with mechanical properties close to the matrix of bainitic ferrite, is advantageous in order to enhance ductility. View Full-Text
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Morales-Rivas, L.; Garcia-Mateo, C.; Sourmail, T.; Kuntz, M.; Rementeria, R.; Caballero, F.G. Ductility of Nanostructured Bainite. Metals 2016, 6, 302.
Morales-Rivas L, Garcia-Mateo C, Sourmail T, Kuntz M, Rementeria R, Caballero FG. Ductility of Nanostructured Bainite. Metals. 2016; 6(12):302.Chicago/Turabian Style
Morales-Rivas, Lucia; Garcia-Mateo, Carlos; Sourmail, Thomas; Kuntz, Matthias; Rementeria, Rosalia; Caballero, Francisca G. 2016. "Ductility of Nanostructured Bainite." Metals 6, no. 12: 302.
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