A New Physical Model for the Kinetics of the Bainite Transformation

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Kinetics of the bainite transformation

A theory is developed for the evolution of bainite as a function of time, temperature, chemical composition and austenite grain size. The model takes into account the details of the mechanism of transformation, including the fact that nucleation begins at the austenite grain surfaces, and that the growth of a sheaf occurs by the repeated nucleation of small platelets. Predictions made using the...

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Mathematical Modelling of Bainite Transformation Kinetics

Steels with a mixed microstructure of allotriomorphic ferrite, bainitic ferrite, retained austenite and martensite have potentially good combinations of high strength and formability. This work describes a kinetic theory for the formation of bainite in steels where the precipitation of carbides is suppressed. The theory is based on the mechanism of transformation. It includes, for example, a nu...

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ژورنال

عنوان ژورنال: ISIJ International

سال: 2006

ISSN: 0915-1559,1347-5460

DOI: 10.2355/isijinternational.46.712