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Title: Nucleation of solids in solids: ferrites and martensites
Authors: Rao, Madan
Sengupta, Surajit
Issue Date: 23-Jul-2003
Publisher: The American Physical Society
Citation: Physical Review Letters, 2003, Vol.91, 045502
Abstract: When a solid such as iron is cooled across a structural transition, its final microstructure depends sensitively on the cooling rate and the depth of quench. For instance, an infinitesimally slow cooling or a shallow quench results in an equilibrium "ferrite," while a rapid cooling or a deep quench gives rise to a metastable twinned "martensite." In this paper, we arrive at a single formalism which qualitatively describes the transformation to both a ferrite and a martensite. Fundamental to this understanding is our identification of the crucial dynamical role played by nonelastic degrees of freedom in determining the final microstructure of the product solid.
ISSN: 0031-9007
1079-7114 (online)
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Copyright: (2003) by the American Physical Society
Appears in Collections:Research Papers (TP)

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