Modifying macroscale variant combinations in a two-dimensional structure using mechanical loadings during thermally induced transformation

It is demonstrated how the formation of macroscopic martensite variant combinations in a two-dimensional shape memory alloy structure can be modified by mechanical loadings during thermally induced phase transformations. The dynamics involving square to rectangular transformations are modelled using...

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Bibliographic Details
Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2008-05, Vol.481, p.190-193
Main Authors: Wang, L.X., Melnik, R.V.N.
Format: Article
Language:English
Subjects:
Ginzburg–Landau theory
Martensite variant combinations
Nonlinear thermoelastic dynamics
Square to rectangular transformations
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Summary:It is demonstrated how the formation of macroscopic martensite variant combinations in a two-dimensional shape memory alloy structure can be modified by mechanical loadings during thermally induced phase transformations. The dynamics involving square to rectangular transformations are modelled using a modified Ginzburg–Landau theory. The macroscale dynamics of the structure is described by a set of coupled partial differential equations of nonlinear dynamic thermoelasticity. The switching and modification of martensite variant combinations during thermally induced transformations are simulated using the developed dynamic model.
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2006.12.194