Modeling of kinetics of isothermal idiomorphic ferrite formation in a medium carbon vanadium-titanium microalloyed steel

被引：3
|
作者：
Capdevila, C [1 ]
Caballero, FG [1 ]
de Andrés, CG [1 ]
机构：
[1] CSIC, Dpto Met Fis, Ct Nacl Invest Met, Madrid 28040, Spain
来源：
REVISTA DE METALURGIA | 2002年 / 38卷 / 03期
关键词：
steels; phase transformations; ferrite; kinetics; modelling;
D O I：
10.3989/revmetalm.2002.v38.i3.400
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
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 agreement (85% in R-2) has been obtained between experimental and predicted values of volume fraction of idiomorphic ferrite.
引用
收藏
页码：183 / 194
页数：12
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