Influence of the bilayer thickness of nanostructured multilayer MoN/CrN coating on its microstructure, hardness, and elemental composition

A. D. Pogrebnyak, O. V. Bondar, B. Zhollybekov, S. Konstantinov, P. Konarski, V. M. Beresnev, A. I. Kupchishin

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Multilayer nanostructured coatings consisting of alternating MoN and CrN layers were obtained by vacuum cathode evaporation under various conditions of deposition. The transition from micron sizes of bilayers to the nanometer scale in the coatings under investigation leads to an increase in hardness from 15 to 35.5 GPa (with a layer thickness of about 35 nm). At the same time, when the number of bilayers in the coating decreases, the average Vickers hardness increases from 1267 HV0.05 to 3307 HV0.05. An increase in the value of the potential supplied to the substrate from–20 to–150 V leads to the formation of growth textures in coating layers with the [100] axis, and to an increase in the intensity of reflections with increasing bilayer thickness. Elemental analysis carried out with the help of Rutherford backscattering, secondary ion mass spectrometry and energy dispersion spectra showed a good separation of the MoN and CrN layers near the surface of the coatings.

Original languageEnglish
Pages (from-to)1798-1802
Number of pages5
JournalPhysics of the Solid State
Volume59
Issue number9
DOIs
Publication statusPublished - 1 Sep 2017
Externally publishedYes

Fingerprint

Multilayers
hardness
Hardness
coatings
Coatings
microstructure
Microstructure
Chemical analysis
Vickers hardness
Rutherford backscattering spectroscopy
Secondary ion mass spectrometry
secondary ion mass spectrometry
backscattering
Evaporation
Cathodes
textures
Textures
cathodes
evaporation
Vacuum

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Influence of the bilayer thickness of nanostructured multilayer MoN/CrN coating on its microstructure, hardness, and elemental composition. / Pogrebnyak, A. D.; Bondar, O. V.; Zhollybekov, B.; Konstantinov, S.; Konarski, P.; Beresnev, V. M.; Kupchishin, A. I.

In: Physics of the Solid State, Vol. 59, No. 9, 01.09.2017, p. 1798-1802.

Research output: Contribution to journalArticle

Pogrebnyak, A. D. ; Bondar, O. V. ; Zhollybekov, B. ; Konstantinov, S. ; Konarski, P. ; Beresnev, V. M. ; Kupchishin, A. I. / Influence of the bilayer thickness of nanostructured multilayer MoN/CrN coating on its microstructure, hardness, and elemental composition. In: Physics of the Solid State. 2017 ; Vol. 59, No. 9. pp. 1798-1802.
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AU - Konstantinov, S.

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