Browse Publications Technical Papers 2001-01-4074
2001-03-05

Hybrid Methods of Examination of Martensitic Transformation Induced by Plastic Strain 2001-01-4074

The paper presents methods of examination of athermal martensitic transformation induced by cyclic plastic strain. The way of determine cyclic properties has been presented for one-phase material (austenite) and finally for the two-phase material (austenite + martensite). The method makes use of measurement of mechanical, thermal and magnetic quantities. The method of dynamical hysteresis loop was applied. The appearance of cross effects: thermomechanical one (Kelvin effect) and magnetomechanical one (Villari effect) has been shown. The material constants: cyclic yield point scpl and cyclic limit of martensitic transformation limit scm were determined. The local measurements of thermal and magnetic quantities allow for examination of martensite distribution in austenite.

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