Browse Publications Technical Papers 2001-01-4056
2001-03-05

Energy Accumulation under Biaxial Cyclic Stress State for Materials with Athermal Martensitic Transformation 2001-01-4056

The aim of this paper is the determination of plastic strain energy for the material with athermal martensitic transformation under biaxial cyclic stress state. The growing martensitic phase may substantially change the strength and technological properties of austenitic steels, particularly the fatigue characteristics. It changes stress - irreversible strain dependence (constitutive equations), what was taken into account with the help of scalar internal parameter - the ratio of martensite in austenite. This involved into equations parameter modifies dependencies describing energy spread in material. The detailed analysis of energy damping dependencies has been performed for cyclic tension and compression with torsion.

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