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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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Majumdar, Sanjib
in Cooperation with on an Cooperation-Score of 37%
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Publications (4/4 displayed)
- 2019Kinetics of oxide scale growth on a (Ti, Mo)<sub>5</sub>Si<sub>3</sub> based oxidation resistant Mo-Ti-Si alloy at 900-1300<sup>∘</sup>Ccitations
- 2018Microstructure, thermo-physical, mechanical and wear properties of in-situ formed boron carbide -Zirconium diboride compositecitations
- 2018Competition between densification and microstructure development during spark plasma sintering of B4C–Eu2O3citations
- 2017Development and tribological properties of SiC fibre reinforced CrB2 compositecitations
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article
Development and tribological properties of SiC fibre reinforced CrB2 composite
Abstract
<p>SiC fibre (SiC<sub>f</sub>) reinforced CrB<sub>2</sub> composite was prepared by hot pressing at 1700 °C. The developed composite was characterized by microstructural characterization and mechanical property measurement. Friction and wear properties of the hot pressed CrB<sub>2</sub> + 10%SiC<sub>f</sub> have been investigated under reciprocative sliding, using a counter body of cemented tungsten carbide (WC-Co) ball. Coefficient of friction and wear rate were established. Wear mechanism has been analysed by using optical microscopy, scanning electron microscopy-energy dispersive spectroscopy and optical profilometer techniques. Higher than 95% density was obtained by hot pressing SiC<sub>f</sub> reinforced CrB<sub>2</sub> at 1700 °C. Fracture toughness of the developed composite was measured to be 5.4 MPa m<sup>1/2</sup>, which is 54% higher as compared to that of monolithic CrB<sub>2</sub>. The coefficient of friction (COF) was measured to be 0.33 at 20 N load and 10 Hz frequency. Specific wear rate of CrB<sub>2</sub> + SiC<sub>f</sub> has been found to be about 10<sup>-7</sup> mm<sup>3</sup>/N m. Tribochemical reaction is shown to be the dominant wear mechanism in the present system.</p>