Open AccessModelización de la formación isotérmica de ferrita idiomórfica en aceros de medio carbono microaleados con vanadio-titanio
Author(s) -
Carlos Capdevila,
Erica Caballero,
Carlos García de Andrés
Publication year - 2002
Publication title -
revista de metalurgia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.195
H-Index - 18
eISSN - 1988-4222
pISSN - 0034-8570
DOI - 10.3989/revmetalm.2002.v38.i3.400
Subject(s) - materials science , physics , mineralogy , geology
A theoretical model is presented in this work to calculate the evolution of isothermal austenite-to-idiomorphic ferrite transformation in a medium carbon vanadium-titanium microalloyed steel. This model has been developed on the basis of the study of the nucleation and growth kinetics of idiomorphic ferrite, considering the influence of the nature, size and distribution of the inclusions, which are responsible of the intragranular nucleation of idiomorphic ferrite. Moreover, the influence of the austenite grain size on the isothermal decomposition of austenite in idiomorphic ferrite has been thoroughly analysed. An excellent agreements (85% in R2) has been obtained between experimental and predicted values of volume fraction of idiomorphic ferrite.Peer Reviewe