Evolution of Nanohardness of Binary Titanium-Based Solutions under High-Pressure Torsion

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Abstract

Based on the phenomenological theory in the Landau approximation, a model has been developed to describe experiments on measuring the nanohardness of binary titanium-based solutions under high pressure torsion. Possible mechanisms for the appearance in the experiment of asymmetry of this quantity relative to the middle of the radius of a cylindrical sample are determined. Additionally, the behavior of the radial and angular components of nanohardness in the presence of a point defect in the material under study has been studied.

About the authors

Yu. D. Zavorotnev

Galkin Donetsk Institute for Physics and Engineering

Email: straumal@issp.ac.ru
Russian Federation, Donetsk

G. S. Davdyan

Osipyan Institute of Solid State Physics of the RAS

Email: straumal@issp.ac.ru
Russian Federation, Chernogolovka

V. N. Varyukhin

Galkin Donetsk Institute for Physics and Engineering

Email: straumal@issp.ac.ru
Russian Federation, Donetsk

A. G. Petrenko

Galkin Donetsk Institute for Physics and Engineering

Email: straumal@issp.ac.ru
Russian Federation, Donetsk

E. Yu. Tomashevskaya

Tugan-Baranovsky Donetsk National University of Economics and Trade

Email: straumal@issp.ac.ru
Russian Federation, Donetsk

B. B. Straumal

Osipyan Institute of Solid State Physics of the RAS

Author for correspondence.
Email: straumal@issp.ac.ru
Russian Federation, Chernogolovka

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