NOVEL METHOD FOR DIAGNOSTIC THE STRUCTURAL TRANSFORMATIONS IN
NANOSTRUCTURED METALS

A.N. Lachinov, T.G. Zagurenko, V.M.Kornilov, Institute of Molecules
and Crystals Physics URC RAS, Prospect Oktyabrya 151, 450075, Ufa,
Russia

In the present work nanostructured Cu, Ni, and TiNi-based alloys were
investigated. Nanostuctured metals were produced using the techniques
of severe plastic torsion deformation under high pressure. The
critical points of different transformations of nanostructured metals
were determined by means of the new measurement technique of current
vs temperature dependence in the metal-electroactive polymer-metal
system. The obtained results were compared with the temperature
dependencies of electrical resistance and microhardness and the
existing data of in situ X-ray diffraction and the electron
transmission microscopy measurements. Experimental data are discussed
in the framework of the model, which take into account the changing in
the work function of nanostructured metals near the critical
temperature region and involving the mechanisms of the interface
metal-polymer interaction.

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