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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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Guillonneau, Gaylord
École Centrale de Lyon
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2023Quantification of softening kinetics in cold-rolled pure aluminum and copper using high-temperature scanning indentationcitations
- 2023Development of a New Manufacturing Route by Direct Laser Metal Deposition With NiCrSiFeB Alloys to Replace Cobalt in Aeronautical Componentscitations
- 2023Chemical Composition Effects on the Microstructure and Hot Hardness of NiCrSiFeB Self-Fluxing Alloys Manufactured via Gravity Castingcitations
- 2023Chemical Composition Effects on the Microstructure and Hot Hardness of NiCrSiFeB Self-Fluxing Alloys Manufactured via Gravity Castingcitations
- 2022Development of a New Manufacturing Route by Direct Laser Metal Deposition With NiCrSiFeB Alloys to Replace Cobalt in Aeronautical Componentscitations
- 2021High-Temperature Scanning Indentation: A new method to investigate in situ metallurgical evolution along temperature rampscitations
- 2021High-Temperature Scanning Indentation: A new method to investigate in situ metallurgical evolution along temperature rampscitations
- 2021Real-time high-temperature scanning indentation: Probing physical changes in thin-film metallic glassescitations
- 2019The role of β-titanium ligaments in the deformation of dual phase titanium alloyscitations
- 2019The formation of a cobalt-based glaze layer at high temperature: a layered structurecitations
- 2018High temperature impact testing of a thin hard coating using a novel high-frequency in situ micromechanical devicecitations
- 2018Microstructural and micromechanical investigations of surface strengthening mechanisms induced by repeated impacts on pure ironcitations
- 2018In situ characterization of AA1050 recrystallization kinetics using high temperature nanoindentation testingcitations
- 2017Electrodeposition of dilute Ni-W alloy with enhanced thermal stability: accessing nanotwinned to nanocrystalline microstructurescitations
- 2017Brittle to ductile transition of tribomaterial in relation to wear response at high temperaturescitations
- 2017Micromechanics of amorphous metal/polymer hybrid structures with 3D cellular architectures: size effects, buckling behavior, and energy absorption capabilitycitations
- 2015A new method to determine the true projected contact area using nanoindentation testingcitations
- 2014The electrodeposition of FeCrNi stainless steel: microstructural changes induced by anode reactionscitations
Places of action
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article
Chemical Composition Effects on the Microstructure and Hot Hardness of NiCrSiFeB Self-Fluxing Alloys Manufactured via Gravity Casting
Abstract
<jats:p>Ni-Cr-Si-Fe-B self-fluxing alloys are commonly used in hardfacing applications; in addition, they are subjected to conditions of wear, corrosion, and high temperatures, but are not used in casting applications. In this work, gravity casting is presented as a potential manufacturing route for these alloys. Three alloys with different chemical compositions were investigated with a focus on microstructure characterization, solidification path, and strengthening mechanisms. Phases and precipitates were characterized using a field emission scanning electron microscope employing energy-dispersive X-ray spectroscopy, wavelength dispersive spectroscopy, and electron backscatter diffraction. Nano- and microhardness indentations were performed at different phases to understand their contribution to the overall hardness of the studied alloys. Hardness measurements were performed at room temperature and high temperature (650 °C). The borides and carbides were the hardest phases in the microstructure, thus contributing significantly to the overall hardness of the alloys. Additional hardening was provided by the presence of hard Ni3B eutectics; however, there was also a small contribution from the solid solution hardening of the γ-Ni dendrites in the high-alloy-grade sample. The amount and size of the different phases and precipitates depended mainly on the contents of the Cr, C, and B of the alloy.</jats:p>