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SMA and SME in Cu-Zn-Al Alloys: Local Studies in α, ε, T Space
Published online by Cambridge University Press: 25 February 2011
Abstract
The use of Cu-Zn-Al single crystals (electronic concentration e/a= 1.48) and of a high resolution equipment allows to study the evolution of one or few martensite domains. This kind of study proves the existence of intrinsic thermoelasticity, the differences between different friction processes (interface movements and nucleation) and also the coherence of the hysteresis loops obtained through mechanical stress or temperature. The different evolutions linked to the creation of dislocations or to the change of é precipitates can clearly be seen during the cycling. The observations allow to establish a model of the material behaviour consistent with experimental observation.
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- Copyright © Materials Research Society 1992