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Three dimensional elasto-plastic phase field simulation of martensitic transformation in polycrystal
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2012 (English)In: Materials Science & Engineering: A, ISSN 0921-5093, E-ISSN 1873-4936, Vol. 556, 221-232 p.Article in journal (Refereed) PublishedText
Abstract [en]

The Phase Field Microelasticity model proposed by Khachaturyan is used to perform 3D simulation of Martensitic Transformation in polycrystalline materials using finite element method. The effect of plastic accommodation is investigated by using a time dependent equation for evolution of plastic deformation. In this study, elasto-plastic phase field simulations are performed in 2D and 3D for different boundary conditions to simulate FCC -> BCT martensitic transformation in polycrystalline Fe-0.3%C alloy. The simulation results depict that the introduction of plastic accommodation reduces the stress intensity in the parent phase and hence causes an increase in volume fraction of the martensite. Simulation results also show that autocatalistic transformation initiates at the grain boundaries and grow into the parent phase. It has been concluded that stress distribution and the evolution of microstructure can be predicted with the current model in a polycrystal.

Place, publisher, year, edition, pages
Elsevier , 2012. Vol. 556, 221-232 p.
Keyword [en]
Martensitic transformation, Phase field modeling, Microstructure evolution, Polycrystal, Finite element method
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:sh:diva-30160DOI: 10.1016/j.msea.2012.06.080ISI: 000309497300026ScopusID: 2-s2.0-84865441956OAI: oai:DiVA.org:sh-30160DiVA: diva2:932493
Projects
hero-m
Funder
Swedish e‐Science Research Center
Available from: 2012-05-21 Created: 2016-06-01 Last updated: 2016-06-01Bibliographically approved

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Amberg, Gustav
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ReferencesLink to record
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