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Theory and Model for Martensitic Transformations

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

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.

TidsskriftPhysical Review Letters
Udgave nummer19
Sider (fra-til)2458-2461
Antal sider4
StatusUdgivet - 1986
Eksternt udgivetJa

ID: 238391916