Formation of Si-Rich Interfaces by Radiation-Induced Diffusion and Microsegregation in CrN/ZrN Nanolayer Coating
Pogrebnjak A.D. Webster R.F. Tilley R.D. Buranich V.V. Ivashchenko V.I. Takeda Y. Oyoshi K. Sakenova R. Piotrowska K. Zukowski P. Konarski P. Kupchishin A.I. Budzynski P.
14 April 2021American Chemical Society
ACS Applied Materials and Interfaces
2021#13Issue 1416928 - 16938 pp.
A combination of coating deposition and consequent ion implantation could be beneficial in wear-resistant antifriction surface design and modification. In the present paper, the effects of low-energy 60 keV Si-ion implantation on multinanolayered CrN/ZrN grown on a stainless-steel substrate have been investigated. Complementary experimental (X-ray diffraction, high-resolution transmission electron microscopy, energy-dispersive spectroscopy, secondary ion mass spectrometry) and theoretical (first-principles) methods have been employed to investigate the structure, phase, and composition under a 1 × 10-17 cm-2 irradiation dose. This study has revealed a moderate radiation-tolerance of the CrN/ZrN system, with a 26 nm bilayer period, where the effective ion range after irradiation was below 110 nm. Within the ion range, a decrease in composition homogeneity and structure crystallinity has been found. Si negative ions have been distributed asymmetrically with peak concentrations (10 and 6%) occupying the interfaces between the CrN and ZrN layers. First-principles investigations of the CrN/ZrN(001) heterostructures were carried out to validate the experimental results, which showed that the alignment of Si-rich interfaces closer to chromium layers is a consequence of the lower substitution energy of CrN rather than ZrN. Thus, strong Si-Cr bindings and difference in displacement energies of ZrN and CrN have been attributed as the main factors in Si-rich interface formation. The pin-on-ball tribological test results have exposed the enhancement in wear resistance and the friction coefficient of nanoscale coating via amorphous Si particles descending from interfacial areas and acting as a third-body.
coefficient of friction , interfaces , microsegregation , Si ion implantation , substitution energy , wear resistance
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Sumy State University, 2, Rimsky Korsakov Street, Sumy, 40007, Ukraine
Department of Biotechnology, Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
Electron Microscope Unit, Mark Wainwright Analytical Centre, University of New South Wales, Sydney, 2052, NSW, Australia
Institute for Problems of Materials Science National Academy of Sciences in Ukraine, Kiev, 03142, Ukraine
National Institute for Material Science (NIMS), 3-13 Sakura, Tsukuba, 305-0003, Ibaraki prefecture, Japan
D. Serikbayev East Kazakhstan State Technical University, 69, Protozanova Street, Ust-Kamenogorsk, 070004, Kazakhstan
Lublin University of Technology, 36, Nadbystrzycka Street, Lublin, 20-618, Poland
Tele and Radio Research Institute, 11, Ratuszowa Street, Warsaw, 03-450, Poland
Abai Kazakh National Pedagogical University, pr. Dostyk 13, Almaty, 050010, Kazakhstan
Sumy State University
Department of Biotechnology
Electron Microscope Unit
Institute for Problems of Materials Science National Academy of Sciences in Ukraine
National Institute for Material Science (NIMS)
D. Serikbayev East Kazakhstan State Technical University
Lublin University of Technology
Tele and Radio Research Institute
Abai Kazakh National Pedagogical University
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