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V. Prieb Two different kinetics are caused by the austenite start-structure that was investigated by transmission electron microscopy after different heat treatments. Thermodynamic parameters of the stress-free thermal-induced transformation of the same heat treated single-crystal alloy were also determined by calorimetry. The heterogeneous stress-induced martensitic transformation is energetically more favourable from the homogeneous austenite and the homogeneous stress-induced transformation, from a heterogeneous austenite structure which is interpreted as a (B2+DO3)-mixture. This situation is likely the homogeneous (Luder's line) and heterogeneous (multiple slipping) plastic deformation. The single-interface velocity, the martensitic strain inside of the martensitic single-domain, and the increase/decrease of the sample temperature due to adiabatic single interface propagation are measured. More about this in my monograph, published in November 2020: "The concept of dual-energetic martensite (CODEM) for shape memory phenomena", PDF-file |