Structural state and phase composition of nickel surface layers modified by high-intensity implantation of titanium ions

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Abstract

This paper reports on the results of experimental investigations into the microstructure and the elemental and phase compositions of ion-alloyed nickel surface layers modified by high-intensity implantation of titanium ions. It is established that the implantation of titanium ions into nickel surface layers up to 1600 nm thick leads to the formation of intermetallic phases (namely, NiTi, Ni3Ti, and NiTi2), a solid solution of titanium in nickel, titanium oxides of different stoichiometries, and titanium carbide TiC. It is demonstrated that the phases formed in the ion-alloyed nickel surface layers have a nanocrystalline structure. The average size of the nanocrystal grains is equal to 40 nm.

Original languageEnglish
Pages (from-to)187-190
Number of pages4
JournalBulletin of the Russian Academy of Sciences: Physics
Volume71
Issue number2
DOIs
Publication statusPublished - 1 Feb 2007

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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