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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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Prabhu, D.
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Publications (5/5 displayed)
- 2023Evaluation of the Effect of Nanocoating on Mechanical and Biofilm Formation in Thermoplastic Polyurethane Aligner Sheets.citations
- 2023Microstructure evolution and phase analysis of Sm60Ni40 alloy
- 2023Microstructure evolution and phase analysis of Sm<SUB>60</SUB>Ni<SUB>40</SUB> alloy
- 2022Revealing the Localization of NiAl-Type Nano-Scale B2 Precipitates Within the BCC Phase of Ni Alloyed Low-Density FeMnAlC Steelcitations
- 2014Green synthesis of silver nanoparticles using Delphinium denudatum root extract exhibits antibacterial and mosquito larvicidal activities.citations
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article
Revealing the Localization of NiAl-Type Nano-Scale B2 Precipitates Within the BCC Phase of Ni Alloyed Low-Density FeMnAlC Steel
Abstract
Coherent intermetallic precipitate-strengthened, Fe-Mn-based low-density steels are of interest owing to their superior mechanical properties. We present here the observation of 2-4-nm-sized, Ni-Al-type B2 precipitates localized within the disordered BCC phase, which is embedded in the major FCC structured austenitic (γ) matrix. Upon exposure to high temperatures of 1110°C for 30 min, the B2 phase coarsens, reaching a size of ~ 26 nm while still positioned within the BCC phase. It further disintegrates into ~ 6-nm-sized precipitates upon annealing at 1200°C for 30 min indicating the limited stability of the B2 phase. Thermodynamic phase analysis also supports the above observation of decreasing B2 phase stability with increasing temperature beyond 1100°C. In addition, APT also revealed the presence of κ-precipitates localized within the majority γ matrix. The collective contribution of κ, B2 and A2 phases strengthens the majority γ matrix of the hot-rolled steel, resulting in achieving an ultimate tensile strength in excess of 1.2 GPa with an extended ductility of ~34% at room temperature....