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Title: Ginzburg-landau-type multiphase field model for competing fcc and bcc nucleation
Authors: Toth, GI
Morris, JR
Granasy, L
Publication Date: 2011
Publisher: American Physical Society
Citation: Physical Review Letters 106(4): 045701, Jan 2011
Abstract: We address crystal nucleation and fcc-bcc phase selection in alloys using a multiphase field model that relies on Ginzburg-Landau free energies of the liquid-fcc, liquid-bcc, and fcc-bcc subsystems, and determine the properties of the nuclei as a function of composition, temperature, and structure. With a realistic choice for the free energy of the fcc-bcc interface, the model predicts well the fcc-bcc phase-selection boundary in the Fe-Ni system.
Description: The official published version of the Article can be accesed from the link below - Copyright @ 2011 APS
Sponsorship: This work has been supported by the Hungarian Academy of Sciences under contract OTKA-K-62588, and by the ESA under PECS Contract No. 98059. Work by JRM has been sponsored by the Materials Sciences and Engineering Division, Office of Basic Energy Sci- ences, U.S. Department of Energy.
ISSN: 0031-9007
Appears in Collections:Brunel Centre for Advanced Solidification Technology (BCAST)

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