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Effect of pro-eutectoid ferrite on subsequent bainite transformation kinetics simulation

journal contribution
posted on 2019-01-01, 00:00 authored by X Chen, Bernard RolfeBernard Rolfe, Amir Abdollahpoor, N Xiao, D Li
The kinetics of multiphase transformation is more complicated than single phase transformation due to the effects of prior phase transformation on the subsequent transformations. The authors have previously proposed a new method to estimate the parameters related to the isothermal kinetics of single phase transformation. This current paper investigates the application of the authors’ method to the bainite transformation process of multiphase steel G18CrMo2-6. The mathematical relationship between Pro-eutectoid ferrite (Pro-EF) fractions and the kinetics related parameters of the subsequent bainite transformation during heat treatment processes in the G18CrMo2-6 multiphase steel has been investigated. The results show the significant effect of Pro-EF fractions on the start and finish temperatures and the isothermal phase transformation parameters ‘b’ of subsequent bainite transformation.

History

Journal

Materials, science and technology

Volume

35

Issue

4

Pagination

429 - 436

Publisher

Taylor & Francis

Location

Abingdon, Eng.

ISSN

0267-0836

eISSN

1743-2847

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2019, Institute of Materials, Minerals and Mining