Multicomponent (Ti-Zr-Hf-V-Nb)N Nanostructure Coatings Fabrication, High Hardness and Wear Resistance

• Authors: A. Pogrebnjak , V. Beresnev , D. Kolesnikov , O. Bondar , Y. Takeda , K. Oyoshi , M. Kaverin , O. Sobol , R. Krause-Rehberg , C. Karwat
• Languages of publication: EN

Abstracts

EN

First results in the field of synthesis and research of the multicomponent (Ti-Zr-Hf-V-Nb)N nanostructured coatings are presented in the paper. Influence of processes of spinodal segregation and mass-transfer on single-layered or multilayered crystal boundary (second phase) forming were explored. Superhard nanostructured coatings were investigated before and after annealing at the temperature 600°C using unique methods (slow positron beam, proton microbeam particle induced X-ray emission-μ, Rutherford backscattering-analysis, scanning electron microscopy with energy dispersive X-ray spectroscopy, X-ray diffraction analysis was performed using DRON-4 and nanoindentor). Diffraction spectra were taken point-by-point, with a scanning step 2Θp=0.05 to 0.1°. We detected that positron trapping by defects was observed on the nanograins boundaries and interfaces (vacancies and nanopores which are the part of triple and larger grain's boundary junction). The 3D distribution maps of elements obtained by the proton microbeam (particle induced X-ray emission-μ) together with the results obtained by slow positron microbeam gave us comprehensive information about physical basis of the processes, connected with diffusion and spinodal segregation in superhard coatings.

Keywords

EN

61.46.-w; 62.20.Qp; 62.25.-g

Discipline

• 62.20.Qp: Friction, tribology, and hardness(see also 46.55.+d Tribology and mechanical contacts in continuum mechanics of solids; for materials treatment effects on friction related properties, see 81.40.Pq)
• 62.25.-g: Mechanical properties of nanoscale systems(for structure of nanoscale systems, see 61.46.-w; for structural transitions in nanoscale materials, see 64.70.Nd; for electronic transport in nanoscale systems, see 73.63.-b)
• 61.46.-w: Structure of nanoscale materials(for thermal properties of nanocrystals and nanotubes, see 65.80.-g; for mechanical properties of nanoscale systems, see 62.25.-g; for electronic transport in nanoscale materials, see 73.63.-b; see also 62.23.-c Structural classes of nanoscale systems; 64.70.Nd Structural transitions in nanoscale materials; for magnetic properties of nanostructures, see 75.75.-c)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2013
• Volume: 123
• Issue: 5
• Pages: 816-818

Dates

published

2013-05

Contributors

author

A. Pogrebnjak

• Sumy State University, R. Korsakov Str., 2, 40007, Sumy, Ukraine

author

V. Beresnev

• Kharkov National University, Kharkov, Ukraine

author

D. Kolesnikov

• Belgorod State University, Belgorod, Russia

author

O. Bondar

• Sumy State University, R. Korsakov Str., 2, 40007, Sumy, Ukraine

author

Y. Takeda

• National Institute for Material Science (NIMS), Sangen, Tsukuba, Japan

author

K. Oyoshi

• National Institute for Material Science (NIMS), Sangen, Tsukuba, Japan

author

M. Kaverin

• Sumy State University, R. Korsakov Str., 2, 40007, Sumy, Ukraine

author

O. Sobol

• National Kharkov Technical University (KHPI)" country="Ukraine

author

R. Krause-Rehberg

• Universität Halle, Institut für Physik, 06120 Halle, Germany

author

C. Karwat

• Lublin University of Technology, Nadbystrzycka 38A, 20-618 Lublin, Poland

References

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Identifiers

DOI

10.12693/APhysPolA.123.816