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Investigation on the Mechanism of the Stress-induced Martensitic Phase Transformation of Superelastic Shape Memory Alloys
|Heinrich Kern 1, Paul Gümple 2, Stefan Gläser 3|
1. Institute of Materials Technology, Technical University of Ilmenau, Gebäude "Werkstoffe 1", Ilmenau 98693, Germany
Superelastic shape memory alloys (SMA) are able to change the phase when charged with an external mechanical tension. On this occasion a material, that shows e.g. an austenitic phase at room temperature will be changed into stress-induced martensitic phase. On the stress-strain-diagram this change of the lattice structure can be seen in a relatively wide ranged pseudo-plastic deformation at nearly constant force.
Presentation: oral at E-MRS Fall Meeting 2005, Symposium C, by Heinrich Kern
See On-line Journal of E-MRS Fall Meeting 2005
Submitted: 2005-05-27 09:36 Revised: 2009-06-07 00:44