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|Hysteresis in a system driven by either generalized force or displacement variables: martensitic phase transition in single-crystalline Cu-Zn-Al
Illa i Tortós, Xavier
Planes Vila, Antoni
Vives i Santa-Eulàlia, Eduard
|The American Physical Society
|We report on experiments aimed at comparing the hysteretic response of a Cu-Zn-Al single crystal undergoing a martensitic transition under strain-driven and stress-driven conditions. Strain-driven experiments were performed using a conventional tensile machine while a special device was designed to perform stress-driven experiments. Significant differences in the hysteresis loops were found. The strain-driven curves show reentrant behavior yield point which is not observed in the stress-driven case. The dissipated energy in the stress-driven curves is larger than in the strain-driven ones. Results from recently proposed models qualitatively agree with experiments.
|Reproducció digital del document publicat en format paper, proporcionada per http://dx.doi.org/10.1103/PhysRevB.76.064105
|It is part of:
|Physical Review B, 2007, vol. 76, núm. 6, p. 064105-1-064105-5
|Appears in Collections:
|Articles publicats en revistes (Física Quàntica i Astrofísica)
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