Theory and Model for Martensitic Transformations

Per-Anker Lindgård, Ole G. Mouritsen

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    Abstract

    Martensitic transformations are shown to be driven by the interplay between two fluctuating strain components. No soft mode is needed, but a central peak occurs representing the dynamics of strain clusters. A two-dimensional magnetic-analog model with the martensitic-transition symmetry is constructed and analyzed by computer simulation and by a theory which accounts for correlation effects. Dramatic precursor effects at the first-order transition are demonstrated. The model is also of relevance for surface reconstruction transitions.
    Original languageEnglish
    JournalPhysical Review Letters
    Volume57
    Issue number19
    Pages (from-to)2458-2461
    ISSN0031-9007
    DOIs
    Publication statusPublished - 1986

    Bibliographical note

    Copyright (1986) by the American Physical Society.

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