Abstract

The present research establishes a possibility of producing nano- and submicrocrystalline structure in fully austenitic state of the metastable Cr–Ni–Ti steel after high pressure torsion (HPT) by raising the temperature of severe plastic deformation above the treshold value for strain-induced martensite transformation, and at room temperature by reducing the temperature of strain-induced martensite transformation with the grain size decreases during step-by-step decreasing HPT temperature.

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