| 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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Conforto, Egle
University of La Rochelle
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2024Contribution of EBSD for the microstructural study of archaeological iron alloy artefacts from the archaeological site of Loiola (Biscay, Northern Spain)citations
- 2024Contribution of EBSD for the microstructural study of archaeological iron alloy artefacts from the archaeological site of Loiola (Biscay, Northern Spain)citations
- 2021Long-term alteration processes of iron fasteners extracted from archaeological shipwrecks aged in biologically active waterlogged mediacitations
- 2019Post-treatment Study of Iron/Sulfur-containing Compounds in the Wreck of Lyon Saint-Georges 4 (Second Century ACE)citations
- 2008The structure of titanate nanobelts used as seeds for the nucleation of hydroxyapatite at the surface of titanium implantscitations
- 2005Formation and properties of nanometer-thick platinum silicide layers
- 2004The role of molybdenum in the hard-phase grains of (Ti, Mo)(C, N)-Co cermetscitations
- 2004Rough surfaces of titanium and titanium alloys for implants and prosthesescitations
Places of action
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article
The role of molybdenum in the hard-phase grains of (Ti, Mo)(C, N)-Co cermets
Abstract
The evolution of the core-rim interface in Ti(C,N)-based cermets containing Mo is studied by scanning electron microscopy and conventional and high-resolution transmission electron microscopy as a function of the annealing temperature. A heavily disordered zone on the nanometric scale is observed close to the interface with the core of Ti(C,N) grains in as-sintered samples. It reorders after annealing at a high temperature. This disorder is correlated with the presence of Mo in the rim during sintering, which enhances the strength of the core-rim interface as a barrier for the diffusion of atoms from the core. It avoids the complete dissolution of small Ti(C,N) grains from the original powder and limits the grain growth. It also acts as a barrier against dislocation movements during plastic deformation. This effect, as well as the small final grain size determined by the presence of Mo, contributes to the good mechanical properties of Mo-containing cermets at intermediate temperatures.