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Static Recrystallisation-Precipitation Interaction in Microalloyed Steels

AuthorsMedina, Sebastián F.; Quispe, Alberto
KeywordsMicro-Alloyed steel
Precipitation kinetics
RPTT diagram
Static recrystallization
Issue Date2003
PublisherTrans Tech Publications
CitationMaterials Science Forum 426-432 : 1139-1144 (2003)
AbstractThe static recrystallisation kinectics of microalloyed steel is a complex matter once strain-inuduced precipitation has started. This paper analyses the recrystallisation-precipitation interaction in the light of the result of research carried out by Medina et al. in recent years, considering the following aspects; RPTT, diagrams in microalloyed steels, its plot and information supplied by diagrams, model for static recrystallisation, which, in addition to the variables that intervene in hot deformation, aso takes into account the chemical composition of the steel, both when all the elements are in solution and when the microalloying elements are in precipitated state; model for precipitation kinetics in microalloyed steels, taking into account the influencing variables as the percentage of microalloying elements, strain, temperature, strain rate and grain size; mechanisms of strain-induced precipitation and coalescence of precipitates as the heterogeneous and Ostwald ripening.
Publisher version (URL)http://dx.doi.org/10.4028/www.scientific.net/MSF.426-432.1139
Appears in Collections:(CENIM) Artículos
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