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Number of results
2011 | 120 | 1 | 94-99

Article title

Multilayered Nano-Microcomposite Ti-Al-N/TiN/Al_2O_3 Coatings. Their Structure and Properties

Content

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Languages of publication

EN

Abstracts

EN
This paper presents the first results on formation and study of structure and properties of micro- and nanocomposite combined coatings. By means of modeling the deposition processes (deposition conditions, current density-discharge, plasma composition and density, voltage) we formed the three-layer nanocomposite coatings of Ti-Al-N/Ti-N/Al_2O_3. The coating composition, structure and properties were studied using physical and nuclear-physical methods. The Rutherford proton and helium ion backscattering, scanning electron microscopy with microanalysis, grazing incidence X-ray diffraction, as well as nanohardness tests (hardness) were used. Measurements of wear resistance and corrosion resistance in NaCl, HCl and H_2SO_4 solutions were also performed. For testing mechanical properties such characteristics of layered structures as hardness H, elastic modulus E: H^3/E^2 etc. were measured. It is demonstrated that the formed three-layer nanocomposite coatings have hardness of 32 to 36 GPa and elastic modulus of 328 ± 18 to 364 ± 14 GPa. Its wear resistance (cylinder-surface friction) increased by factor of 17 to 25 in comparison with the substrate (stainless steel). The layers thickness was in the range of 56-120 μm.

Keywords

EN

Contributors

author
  • Sumy Institute for Surface Modification, Sumy State University, St. 2 R-Korsakov, 40007 Sumy, Ukraine
author
  • Institute of Metal Physics NAS of Ukraine, Kiev, Ukraine
author
  • Concern "Ukrrosmetal", Sumy, Ukraine
author
  • East-Kazakhstan State Technical University, Ust-Kamenogorsk, Kazakhstan
  • Sumy Institute for Surface Modification, Sumy State University, St. 2 R-Korsakov, 40007 Sumy, Ukraine
  • Sumy Institute for Surface Modification, Sumy State University, St. 2 R-Korsakov, 40007 Sumy, Ukraine
author
  • Institute of Metal Physics NAS of Ukraine, Kiev, Ukraine
author
  • Sumy Institute for Surface Modification, Sumy State University, St. 2 R-Korsakov, 40007 Sumy, Ukraine
author
  • Sumy Institute for Surface Modification, Sumy State University, St. 2 R-Korsakov, 40007 Sumy, Ukraine
author
  • Institute for Nuclear Physics, Ulugbek, Tashkent, Uzbekistan
author
  • Lublin University of Technology, Lublin, Poland
author
  • Belarus State University, Minsk, Belarus
author
  • Kharkov National University, Kharkov, Ukraine
author
  • Institute for Nuclear Physics, Ulugbek, Tashkent, Uzbekistan
author
  • Sumy Institute for Surface Modification, Sumy State University, St. 2 R-Korsakov, 40007 Sumy, Ukraine

References

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Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.bwnjournal-article-appv120n124kz
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