Theory and Model for Martensitic Transformations
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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.
Originalsprog | Engelsk |
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Tidsskrift | Physical Review Letters |
Vol/bind | 57 |
Udgave nummer | 19 |
Sider (fra-til) | 2458-2461 |
Antal sider | 4 |
ISSN | 0031-9007 |
DOI | |
Status | Udgivet - 1986 |
Eksternt udgivet | Ja |
ID: 238391916