Kinetics of bainite transformation in heterogeneous microstructures

In classical models for microstructural evolution, the natural dispersion existing in the samples is often neglected. In this paper, we propose a general procedure that takes into account the distribution of austenite grain size on kinetics of bainite transformation in steels. Through this example a...

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Bibliographic Details
Published in:Materials letters 2012, Vol.67 (1), p.187-189
Main Authors: Gouné, M., Bouaziz, O., Allain, S., Zhu, K., Takahashi, M.
Format: Article
Language:English
Subjects:
Austenite
Bainite
Bainitic phase transformation
Dispersions
Engineering Sciences
Evolution
Grain size
Materials
Metallurgy
Microstructure
Modelling
particle size
prediction
Steels
Transformations
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Summary:In classical models for microstructural evolution, the natural dispersion existing in the samples is often neglected. In this paper, we propose a general procedure that takes into account the distribution of austenite grain size on kinetics of bainite transformation in steels. Through this example and by comparison with experimental data, it is shown that the extended approach provides improved predictions of the overall kinetics.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2011.09.053