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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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Kain, Vivekanand
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2018Microstructure, thermo-physical, mechanical and wear properties of in-situ formed boron carbide -Zirconium diboride compositecitations
- 2018Tribology study on TiB2+WSi2 composite against WCcitations
- 2017Wear behaviour of CrB2 + 5 wt.% MoSi2 composite against cemented tungsten carbide (WC-Co) under dry reciprocative sliding conditioncitations
- 2017Sintering and oxidation of GdB4 synthesized by B4C reduction methodcitations
- 2017Development and tribological properties of SiC fibre reinforced CrB2 compositecitations
- 2017Scratch Testing of Hot-Pressed Monolithic Chromium Diboride (CrB2) and CrB2 + MoSi2 Compositecitations
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article
Scratch Testing of Hot-Pressed Monolithic Chromium Diboride (CrB2) and CrB2 + MoSi2 Composite
Abstract
<p>The tribological performance of hot-pressed monolithic CrB<sub>2</sub> and a newly developed CrB<sub>2</sub> + 20 vol.% MoSi<sub>2</sub> composite was investigated by using scratch test. The test was carried out under progressive loading ranging from 0.9 to 30 N over a scratch distance of 3 mm. In situ values of coefficient of friction (COF), depth of penetration and acoustic emission were recorded. The wear volume and fracture toughness were also calculated. COF of both materials is increased with increasing the scratch length and progressive load. COF of the composite was observed to be slightly higher compared to the monolithic CrB<sub>2</sub>. The wear volume of the composite is 60% higher compared to monolithic CrB<sub>2</sub>. Fracture toughness values of ~2.48 and ~2.81 MPa m<sup>1/2</sup> were calculated for monolithic CrB<sub>2</sub> and CrB<sub>2</sub> + 20 vol.% MoSi<sub>2</sub> composite, respectively. Microstructural characterization indicates that the abrasive wear is the dominant wear mechanism in both the materials.</p>