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Journal article · Conference paper

Towards a phase field model of the microstructural evolution of duplex steel with experimental verification

By Poulsen, Stefan Othmar1,2; Voorhees, P.W.3; Lauridsen, Erik Mejdal4,5

From

Department of Physics, Technical University of Denmark1

Neutrons and X-rays for Materials Physics, Department of Physics, Technical University of Denmark2

Northwestern University3

Department of Energy Conversion and Storage, Technical University of Denmark4

Imaging and Structural Analysis, Department of Energy Conversion and Storage, Technical University of Denmark5

A phase field model to study the microstructural evolution of a polycrystalline dual-phase material with conserved phase fraction has been implemented, and 2D simulations have been performed. For 2D simulations, the model predicts the cubic growth well-known for diffusion-controlled systems. Some interphase boundaries are found to show a persistent non-constant curvature, which seems to be a feature of multi-phase materials.

Finally, it is briefly outlined how this model is to be applied to investigate microstructural evolution in duplex steel. © (2012) Trans Tech Publications, Switzerland.

Language: English
Publisher: Trans Tech Publications Ltd
Year: 2012
Pages: 635-642
Proceedings: 4th International Conference on Recrystallization and Grain GrowthInternational Conference on Recrystallization and Grain Growth
ISSN: 16629752 , 02555476 , 22976620 and 14226375
Types: Journal article and Conference paper
DOI: 10.4028/www.scientific.net/MSF.715-716.635
Keywords

Computer simulation Grain growth Mathematical models Microstructural evolution Phase interfaces Recrystallization (metallurgy)

Other keywords

Conserved Phase Fraction Coupled Grain Coarsening Coupled Grain Growth Dual-Phase Phase Field Modeling

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