| People | Locations | Statistics |
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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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Nosewicz, Szymon
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2023Microstructural Evolution of Ni-SiC Composites Manufactured by Spark Plasma Sinteringcitations
- 2022Numerical Simulation of Thermal Conductivity and Thermal Stress in Lightweight Refractory Concrete with Cenospherescitations
- 2020Size Effects of Hardness and Strain Rate Sensitivity in Amorphous Silicon Measured by Nanoindentationcitations
- 2020Influence of overstoichiometric boron and titanium addition on the properties of RF magnetron sputtered tungsten boridescitations
- 2019Experimental and numerical studies of micro- and macromechanical properties of modified copper–silicon carbide compositescitations
- 2019Analysis of the micromechanical properties of copper-silicon carbide composites using nanoindentation measurementscitations
- 2019Effect of spark plasma sintering and high-pressure torsion on the microstructural and mechanical properties of a Cu–SiC compositecitations
- 2017Effect of metallic coating on the properties of copper-silicon carbide compositescitations
- 2017Investigations of interface properties in copper-silicon carbide compositescitations
- 2017Microstructure and Thermal Properties of Cu-SiC Composite Materials Depending on the Sintering Techniquecitations
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article
Influence of overstoichiometric boron and titanium addition on the properties of RF magnetron sputtered tungsten borides
Abstract
In this work, (W,Ti)B2 films with different stoichiometric ratio Ti/W deposited on silicon and 304 stainless steelby radio frequency magnetron sputtering are presented. The coatings were deposited from plasma spark sinteredtargets obtained from the mixture of pure boron, tungsten and titanium powders. It is shown that during plasmaspark sintering process using overstoichiometric boron and a low content of titanium change the WB2 to WB4phase with almost no secondary phases. Subsequently, the impact of titanium content on the films properties isinvestigated systematically, including the chemical and phase composition, crystalline structure, surface andcross-section morphology. Simultaneously, nano-indentation test and ball-on-disk tribometery are performed toanalyse the hardness and tribological properties of the films. It is shown that deposited films with titaniumcontent of 3.6 and 5.5 at.% are formed in the zone T of the Thornton's Structural Zone Model. In opposite to α-WB2 magnetron sputtered coatings they are more flexible and hard nanocomposite coatings. The results showthat the addition of titanium is apparently changing the film structure from nanocrystalline columnar toamorphous, very dense and compact structure with the addition of TiB2 phase. That films are simultaneouslyhard (H > 37.5 GPa), have high hardness to effective Young's modulus ratio values (H/E⁎ > 0.1) and elasticrecovery (We > 60%) appropriate for tough and resistant to cracking materials. The presented (W,Ti)B2 filmsexhibit also tribological and corrosion properties better than unalloyed coatings.