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Title: Tracking the dynamics of power sources and sinks during the martensitic transformation of a Cu-Al-Ni single crystal
Author: Ianniciello, Lucia
Romanini, Michela
Mañosa, Lluís
Planes Vila, Antoni
Engelbrecht, Kurt
Vives i Santa-Eulàlia, Eduard
Keywords: Termodinàmica
Materials intel·ligents
Smart materials
Issue Date: 23-Apr-2020
Publisher: American Institute of Physics
Abstract: We have tracked the dynamics of the martensitic transformation in a Cu-Al-Ni single crystal by means of acoustic emission and infrared imaging techniques. A Fourier equation-based post-processing of temperature maps has enabled us to reveal the inhomogeneous and discontinuous character of heat power sources and sinks during the transiton. A good correlation between the dynamics of thermal and mechanical energy release has been evidenced. It has also been shown that the merging of martensitic interfaces results in an enhanced heat absorption
Note: Reproducció del document publicat a:
It is part of: Applied Physics Letters, 2020, vol. 116, p. 183901
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ISSN: 0003-6951
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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