Precursor Nanoscale Textures in Ferroelastic Martensites

作者: Pol Lloveras , Teresa Castán , Antoni Planes , Avadh Saxena

DOI: 10.1007/978-3-642-20943-7_12

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摘要: This chapter deals with nanoscale spatially inhomogeneous states that occur as precursors of martensitic/ferroelastic transitions in many off-stoichiometric shape-memory alloys. We show these are a result the competition between elastic anisotropy and disorder arising, for instance, from compositional fluctuations. In limit high and/or low anisotropy, we inhomogeneities give rise to glassy behaviour, while structural transition is inhibited.

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