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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Rudnicki, Jacek
in Cooperation with on an Cooperation-Score of 37%
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Publications (6/6 displayed)
- 2019Plasmochemical investigations of DLC/WCx nanocomposite coatings synthesized by gas injection magnetron sputtering techniquecitations
- 2018Influence of low temperature plasma oxynitriding on the mechanical behavior of NiTi shape memory alloyscitations
- 2017Structure and properties of composite layers of nitrided layers with surface zone of manganese phosphate type produced on 32CDV13 steel
- 2011The effect of the diffusive, composite chromium nitride layers produced by a hybrid surface treatment on the corrosion behavior of AZ91D magnesium alloycitations
- 2003Modification by composite coatings of knives made of low alloy steel for wood machining purposescitations
- 2001The influence of glow discharge nitriding, oxynitriding and carbonitriding on surface modification of Ti-1Al-1Mn titanium alloycitations
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article
Plasmochemical investigations of DLC/WCx nanocomposite coatings synthesized by gas injection magnetron sputtering technique
Abstract
Nanocomposite coatings of tungsten carbide incorporated into amorphous carbon (a-C/WCx) were synthesizedwith a varying amplitude of pulse pressure oscillation (0,4–0,8 Pa) on the silicon substrates through the GasInjection Magnetron Sputtering (GIMS) technique. Hence, energy distribution manner followed by changingdensity (pressure) of plasma molecules was discussed in terms of two possibilities of a tungsten-carbon phaseformation; clusters synthesis, within plasma ionizedflux and the Lifshitz model of the surface nucleation. For thispurpose, the morphology and the surface topography of deposited layers were studied by the atomic forcemicroscopy (AFM), optical emission spectroscopy (OES) and the scanning electron microscopy (SEM). Further,pronounced structural analysis provided via transmission electron microscopy (TEM) and X-ray diffraction(XRD), presents, that spherical shaped WCxnanoclusters (1–4 nm) were dispersed in the amorphous‑carbon-likehost matrix. More detailed chemical bonding state circumstances attained, that these nanocrystallites consistprimarily of metastableγ-WC1−x, and the small amount ofβ-W2C phase; embedded within the diamond-likecarbon (DLC) structure, referring to the engaged X-ray photoelectron spectroscopy (XPS) and the Ramanspectroscopy examinations. Accordingly, an application issue of the unique bonds dependence of DLC/WCxcoatings, deposited onto high speed steel substrate (SW7M) substrate, was emphasized by means of Vickersmeasurements, as a sensing microhardness feedback.