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| Naji, M. |
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| Motta, Antonella |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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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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| Kočí, Jan | Prague |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Azevedo, Nuno Monteiro |
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Fraser, Hamish
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Topics
Publications (6/6 displayed)
- 2023Microstructural engineering by heat treatments of multi-principal element alloys via spinodal mediated phase transformation pathways
- 2023Underlying factors determining grain morphologies in high-strength titanium alloys processed by additive manufacturingcitations
- 2020Investigating the real-time dissolution of a compositionally complex alloy using inline ICP and correlation with XPScitations
- 2020Real-time dissolution of a compositionally complex alloy using inline ICP and correlation with XPScitations
- 2012Early-stage α-phase and Ti2Cu phase formation in a ternary Ti-V-Cu alloy
- 2001Modelling of site occupancies in ternary B2 compounds in Nb-Ti-Al
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document
Early-stage α-phase and Ti2Cu phase formation in a ternary Ti-V-Cu alloy
Abstract
<p>The early-stage precipitations of α-phase and Ti<sub>2</sub>Cu intermetallic compound have been characterized in a ternary Ti-25V-3Cu alloy. Using aberration-corrected scanning transmission electron microscopy (STEM) and three-dimensional atom probe (3-DAP) .detailed examination of the crys-tallographic structures and compositional partitioning of the nucleation sites was carried out. These techniques have enabled accurate phase identifications of precipitate embryos having a size in the nanometer range, and the geometrical arrangement of the different phases. The results indicate that the α and the intermetallic compound tend to form a mutually-conjugated structure governed by a specific orientation relationship. Upon continued isothermal aging, twin related variants of both phases develop in the β matrix.</p>