Technical Physics Letters

, Volume 38, Issue 7, pp 623–626 | Cite as

Effect of mass transfer and segregation on the formation of superhard nanostructured Ti-Hf-N(Fe) catings

  • A. D. Pogrebnyak
  • A. G. Ponomarev
  • D. A. Kolesnikov
  • V. M. Beresnev
  • F. F. Komarov
  • S. S. Mel’nik
  • M. V. Kaverin
Article

Abstract

Superhard nanostructured Ti-Hf-N(Fe) coatings are prepared. The formation of local regions of (Ti, Hf)N, FeN, and Hf is detected using μ-PIXE (ion microbeam). It is revealed that the synthesized coatings have a nanohardness of 48 ± 1 GPa and are composed of nanograins with a size of 4.8–10.6 nm, which are enveloped by finer entities of other phases (Ti, Fe)N and FeN. There is a good correlation between the results derived by XRD, TEM, AFM, and SEM and microanalysis, which in turn are complemented by the analysis results obtained using an ion microbeam and PIXE.

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Copyright information

© Pleiades Publishing, Ltd. 2012

Authors and Affiliations

  • A. D. Pogrebnyak
    • 1
    • 2
    • 3
    • 4
  • A. G. Ponomarev
    • 1
    • 2
    • 3
    • 4
  • D. A. Kolesnikov
    • 1
    • 2
    • 3
    • 4
  • V. M. Beresnev
    • 1
    • 2
    • 3
    • 4
  • F. F. Komarov
    • 1
    • 2
    • 3
    • 4
  • S. S. Mel’nik
    • 1
    • 2
    • 3
    • 4
  • M. V. Kaverin
    • 1
    • 2
    • 3
    • 4
  1. 1.Sumy State UniversitySumyUkraine
  2. 2.Institute of Applied PhysicsNational Academy of Sciences of UkraineSumyUkraine
  3. 3.Belgorod State UniversityBelgorodRussia
  4. 4.Kharkiv National UniversityKievUkraine
  5. 5.Belarusian State UniversityMinskBelarus

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