V. G. Pushin, N. N. Kuranova, N. I. Kourov, R. Z. Valiev, È. Z. Valiev, V. V. Makarov, A. V. Pushin, A. N. Uksusnikov, “Baroelastic shape memory effects in titanium nickelide alloys subjected to plastic deformation under high pressure”, Zhurnal Tekhnicheskoi Fiziki, 2012, Volume 82, Issue 8,Pages <nobr>67

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Baroelastic shape memory effects in titanium nickelide alloys subjected to plastic deformation under high pressure

V. G. Pushin^a, N. N. Kuranova^a, N. I. Kourov^a, R. Z. Valiev^b, È. Z. Valiev^a, V. V. Makarov^a, A. V. Pushin^a, A. N. Uksusnikov^a

^a Institute of Metal Physics, Ural Branch of the Russian Academy of Sciences, Ekaterinburg
^b Ufa State Aviation Technical University

Abstract: The effects of a high pressure and torsional plastic deformation in Bridgman anvils on the structure and phase transformations in titanium nickelide-based shape memory alloys are studied by electron microscopy, neutron diffraction, and X-ray diffraction. The physical properties of the alloys are measured. It is found that the baroelastic effects related to the highly reversible $B2\leftrightarrow B19'$ martensitic transformation can occur in metastable austenitic titanium nickelide alloys in both the standard polycrystalline and nanocrystalline states under high pressure.

Received: 19.10.2011