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|Title: ||Theory of phase transformation and reorientation in single crystalline shape memory alloys|
|Authors: ||Zhu, Jiujiang|
Liang, N. G.
Liew, K. M.
Huang, W. M.
|Affiliation: ||University of Abertay Dundee. School of Computing & Engineering Systems|
|Keywords: ||Condensed matter|
|Issue Date: ||Feb-2008|
|Publisher: ||Institute of Physics|
|Type: ||Journal Article|
|Rights: ||Published version (c)Institute of Physics, available from http://dx.doi.org/10.1088/0964-1726/17/01/015041|
|Citation: ||Zhu, J.J., et al. 2008. Theory of phase transformation and reorientation in single crystalline shape memory alloys. Smart Materials and Structures. 17(1). Available from http://dx.doi.org/10.1088/0964-1726/17/01/015041|
|Abstract: ||A constitutive model, based on an (n+1)-phase mixture of the Mori–Tanaka average theory, has been developed for stress-induced martensitic transformation and reorientation in single crystalline shape memory alloys. Volume fractions of different martensite lattice correspondence variants are chosen as internal variables to describe microstructural evolution. Macroscopic Gibbs free energy for the phase transformation is derived with thermodynamics principles and the ensemble average method of micro-mechanics. The critical condition and the evolution equation are proposed for both the phase transition and reorientation. This model can also simulate interior hysteresis loops during loading/unloading by switching the critical driving forces when an opposite transition takes place.|
|Appears in Collections:||Computing & Engineering Systems Collection|
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