Título:
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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
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Autor/a:
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Bonnot, Erell; Romero, Ricardo; Illa i Tortós, Xavier; Mañosa, Lluís; Planes Vila, Antoni; Vives i Santa-Eulàlia, Eduard
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Otros autores:
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Universitat de Barcelona |
Abstract:
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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. |
Materia(s):
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-Propietats magnètiques -Histèresi -Transformacions martensítiques -Magnetic properties -Hysteresis -Martensitic transformations |
Derechos:
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(c) The American Physical Society, 2007
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Tipo de documento:
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Artículo Artículo - Versión publicada |
Editor:
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The American Physical Society
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