The Martensitic Transformation in β-Brass and the Shape Memory Effect
The present discussion of the martensitic transformation and the memory effect (SME) in Cu-Zn will be divided into two sections : A) An analysis of the stability of the different structures which include i) the spontaneous martensite that forms on cooling at the temperature Ms (0), ii) the martensite which is induced by an externally applied stress a at a temperature Ms (σ) > Ms (0) and iii) the structures that form when the martensitesis deformed plastically, of main interest being that one which is related to SME. B) A study of the kinetics of the nucleation and growth of the martensite and the discussion of an atomistic model of the martensitic transformation and of SME.
KeywordsAcoustic Emission Martensitic Transformation Habit Plane Shape Memory Effect Transformation Strain
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