Technical Physics Letters

, Volume 39, Issue 3, pp 280–283 | Cite as

The effect of segregation and thermodiffusion on the formation of interfaces in nanostructured (Ti-Hf-Zr-V-Nb)N multielement coatings

  • A. D. Pogrebnyak
  • V. M. Beresnev
  • D. A. Kolesnikov
  • M. V. Kaverin
  • A. P. Shypylenko
  • K. Oyoshi
  • Y. Takeda
  • R. Krause-Rehberg
  • A. G. Ponomarev
Article

Abstract

Superhard nanostructured multielement coatings based on (Ti-Hf-Zr-V-Nb)N composition have been studied before and after thermal annealing at 600°C. It has been established that capture of positrons on defects takes place at the boundaries of nanograins and on interfaces (vacancies, nanopores, triple and higher-order joints of nanograins). Three-dimensional maps of the distribution of elements in super-hard coatings have been obtained using micro-proton-beam induced X-ray emission (μ-PIXE) measurements. Analysis of the μ-PIXE elemental profiles and defect profiles (obtained using a focused positron beam) helps understanding the physical picture of processes related to the formation of interfaces and sub-boundaries in nanostructured (Ti-Hf-Zr-V-Nb)N coatings.

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Copyright information

© Pleiades Publishing, Ltd. 2013

Authors and Affiliations

  • A. D. Pogrebnyak
    • 1
    • 2
    • 3
    • 4
    • 5
    • 6
  • V. M. Beresnev
    • 1
    • 2
    • 3
    • 4
    • 5
    • 6
  • D. A. Kolesnikov
    • 1
    • 2
    • 3
    • 4
    • 5
    • 6
  • M. V. Kaverin
    • 1
    • 2
    • 3
    • 4
    • 5
    • 6
  • A. P. Shypylenko
    • 1
    • 2
    • 3
    • 4
    • 5
    • 6
  • K. Oyoshi
    • 1
    • 2
    • 3
    • 4
    • 5
    • 6
  • Y. Takeda
    • 1
    • 2
    • 3
    • 4
    • 5
    • 6
  • R. Krause-Rehberg
    • 1
    • 2
    • 3
    • 4
    • 5
    • 6
  • A. G. Ponomarev
    • 1
    • 2
    • 3
    • 4
    • 5
    • 6
  1. 1.Sumy State UniversitySumyUkraine
  2. 2.Kharkiv National UniversityKharkivUkraine
  3. 3.Belgorod State UniversityBelgorodRussia
  4. 4.National Institute for Materials ScienceTsukuba-city, IbarakiTsukuba, Japan
  5. 5.Martin-Luther-Universität Halle-WittenbergHalleGermany
  6. 6.Sumy Institute of Applied PhysicsNational Academy of Sciences of UkraineSumyUkraine

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