Effect of Nb and Mo on the hot ductility behavior of a high-manganese austenitic Fe-21Mn-1.3Al-1.5Si-0.5C TWIP steel

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dc.contributor	Universitat Politècnica de Catalunya. Departament de Ciència dels Materials i Enginyeria Metal·lúrgica
dc.contributor	Universitat Politècnica de Catalunya. PROCOMAME - Processos de Conformació de Materials Metàl·lics
dc.contributor.author	Mejía, Ignacio
dc.contributor.author	Salas Reyes, A.E.
dc.contributor.author	Bedolla Jacuinde, Arnoldo
dc.contributor.author	Calvo Muñoz, Jessica
dc.contributor.author	Cabrera Marrero, José M.
dc.date	2014-10-20
dc.identifier.citation	Mejía, I. [et al.]. Effect of Nb and Mo on the hot ductility behavior of a high-manganese austenitic Fe-21Mn-1.3Al-1.5Si-0.5C TWIP steel. "Materials science and engineering A. Structural materials properties microstructure and processing", 20 Octubre 2014, vol. 616, p. 229-239.
dc.identifier.citation	0921-5093
dc.identifier.citation	10.1016/j.msea.2014.08.030
dc.identifier.uri	http://hdl.handle.net/2117/24922
dc.language.iso	eng
dc.relation	http://www.sciencedirect.com/science/article/pii/S0921509314010193#
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Enginyeria dels materials
dc.subject	Manganese alloys
dc.subject	Powder metallurgy
dc.subject	High-manganese austenitic TWIP steel
dc.subject	Nb and Mo microalloying elements
dc.subject	Hot ductility
dc.subject	Dynamic recrystallization (DRX)
dc.subject	DYNAMIC RECRYSTALLIZATION BEHAVIOR
dc.subject	INDUCED PLASTICITY STEELS
dc.subject	MICROALLOYED STEELS
dc.subject	GRAIN-SIZE
dc.subject	MICROSTRUCTURAL EVOLUTION
dc.subject	STAINLESS-STEELS
dc.subject	HIGH-STRENGTH
dc.subject	LOW-ALLOY
dc.subject	HIGH AL
dc.subject	TI
dc.subject	Materials Propietats mecàniques
dc.subject	Manganès
dc.subject	Acer d'alta resistència
dc.title	Effect of Nb and Mo on the hot ductility behavior of a high-manganese austenitic Fe-21Mn-1.3Al-1.5Si-0.5C TWIP steel
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	This research work studies the influence of single microalloying elements (Nb and Mo) and the solidification route on the hot ductility behavior of a high-manganese austenitic Twinning Induced Plasticity (TWIP) steel. For this purpose uniaxial hot tensile tests in the temperature range of 700-1100 degrees C under a constant true strain rate (10(-3) s(-1)) were carried out to evaluate the hot ductility as a function of reduction in area (%RA). In general, results revealed a beneficial influence of Nb and Mo additions to TWIP steels on the hot ductility behavior, particularly in the intermediate temperature range of 800-900 degrees C, where the reduction of area (RA) value can be as high as 73%. The hot ductility behavior of the present TWIP steels is discussed in terms of solid-solution strengthening, solute drag phenomenon, dynamic recrystallization (DRX) and grain boundary precipitation. Ductile fracture type was recognized as the material failure surface containing many dimples in almost all the studied cases. (C) 2014 Elsevier B.V. All rights reserved.
dc.description.abstract	Peer Reviewed

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