Microstructure, phase composition and mechanical properties of novel nanocomposite (TiAlSiY)N and nano-scale (TiAlSiY)N/MoN multifunctional heterostructures
| Autor: | Emerson Coy, Karol Załęski, A.V. Pshyk, Yaroslav O. Kravchenko, Mateusz Kempiński, Igor Iatsunskyi, Stefan Jurga, Alexander D. Pogrebnjak |
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| Rok vydání: | 2018 |
| Předmět: |
010302 applied physics
Nanocomposite Materials science Scanning electron microscope 02 engineering and technology Surfaces and Interfaces General Chemistry Nanoindentation engineering.material 021001 nanoscience & nanotechnology Condensed Matter Physics Microstructure 01 natural sciences Surfaces Coatings and Films symbols.namesake Coating X-ray photoelectron spectroscopy 0103 physical sciences Materials Chemistry engineering symbols Composite material 0210 nano-technology High-resolution transmission electron microscopy Raman spectroscopy |
| Zdroj: | Surface and Coatings Technology. 350:376-390 |
| ISSN: | 0257-8972 |
| DOI: | 10.1016/j.surfcoat.2018.07.010 |
| Popis: | This paper reports on the deposition and characterization of (TiAlSiY)N nanocomposite and (TiAlSiY)N/MoN nano-scale multilayer coatings obtained by means of arc-PVD method. The investigation of structural-phase composition and mechanical properties is carried out by means of scanning electron microscopy (SEM), equipped with energy dispersive spectrum (EDS), High resolution transmission electron microscopy (HRTEM), Raman spectroscopy, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and nanoindentation. The microstructure of the (TiAlSiY)N nanocomposite coating shows preferential (111) growth of fcc-(Ti, Al)N grains. Multilayers coating of (TiAlSiY)N/MoN with a bilayer period of 10 nm was synthesized, showing that the fcc-MoN layer grows coherently with the fcc-(Ti,Al)N, due to the template effect of the latter, which results in a local cube on cube fcc(Ti,Al)N||fcc(MoN) epitaxial growth with (200) preferential orientation. The hardness, reduced elastic modulus, elastic strain prior to plastic deformation and resistance to plastic deformation of the nanocomposite (TiAlSiY)N coating are determined as 24.6 GPa, 243 GPa, ~0.09 and 0.29 GPa, respectively. The enhancement of the mechanical properties of the multilayer coating up to 38.37, 392.5 GPa, ~0.09 and 0.38 GPa is also observed. |
| Databáze: | OpenAIRE |
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