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Abstracts
Using the two technologies: plasma-detonation and vacuum-arc deposition, we fabricated two types of coatings: Ti-Si-N/WC-Co-Cr/steel and Ti-Si-N/steel. We found that the top coating of Ti-Si-N was nanostructured one with 12 to 15 nm grain sizes and H = 40 to 38 GPa hardness. A thick coating which was deposited using the pulsed plasma jet, demonstrated 11 to 15.3 GPa hardness, an elastic modulus (E) changing within 176 to 240 GPa, and tungsten carbide grain dimensions varying from 150 to 350 nm to several microns. An X-ray diffraction analysis shows that the coating has the following phase composition: TiN, (Ti,Si)N solid solution, WC, W_2C tungsten carbides. An element analysis was performed using energy dispersive spectroscopy (microanalysis) and scanning electron microscopy, as well as the Rutherford backscattering of ^4He^{+} ion and the Auger electron spectroscopy. Surface morphology and structure were analyzed using scanning electron microscopy and scanning tunnel microscopy. Tests friction and resistance (cylinder-plane) demonstrated essential resistance to abrasive wear and corrosion in the solution. The decrease of grain dimensions ≤ 10 nm occurring in the top Ti-Si-N coating layer increased the sample hardness to 42 ± 2.7 GPa under Ti_{72}-Si_8-N_{20} at.% concentration.
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)
Journal
Year
Volume
Issue
Pages
100-104
Physical description
Dates
published
2011-07
Contributors
author
- G.V. Kurdyumov Institute for Metal Physics, NAS Ukraine, Kiev, Ukraine
- Sumy State University, Sumy Institute for Surface Modification, Sumy, Ukraine
- Sumy State University, 40007, Sumy, Ukraine
author
- G.V. Kurdyumov Institute for Metal Physics, NAS Ukraine, Kiev, Ukraine
author
- Science Center for Physics and Technology, Kharkov, Ukraine
author
- Sumy State University, Sumy Institute for Surface Modification, Sumy, Ukraine
author
- Belarus State University, Minsk, Belarus
author
- G.V. Kurdyumov Institute for Metal Physics, NAS Ukraine, Kiev, Ukraine
- Sumy State University, Sumy Institute for Surface Modification, Sumy, Ukraine
author
- G.V. Kurdyumov Institute for Metal Physics, NAS Ukraine, Kiev, Ukraine
- Sumy State University, Sumy Institute for Surface Modification, Sumy, Ukraine
author
- Lublin Technical University, Lublin, Poland
author
- G.V. Kurdyumov Institute for Metal Physics, NAS Ukraine, Kiev, Ukraine
author
- Belgorod State University, Belgorod, Russia
author
- O.E. Paton Welding Institute, NAS of Ukraine, Kiev, Ukraine
author
- Samarkand State University, Samarkand, Uzbekistan
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv120n125kz