Evaluation of point defects concentrations in nickel subjected to high pressure torsion

Received: 25 October 2011; Revised: 15 December 2011; Accepted: 19 December 2011
This paper is written in Russian
Citation: E.A. Korznikova. Evaluation of point defects concentrations in nickel subjected to high pressure torsion. Letters on Materials, 2011, 1(4) 208-212
BibTex   DOI: 10.22226/2410-3535-2011-4-208-212

Abstract

Pure nickel was subjected to severe plastic deformation by high pressure torsion in a wide interval of strains applied. Investigation was performed by means of x-ray profile analysis and residual electrical resistivity measurements at cryogenic temperatures. Concentrations of different types of defects, namely dislocation density, concentration of single and double vacancies and vacancy agglomerates has been evaluated.

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