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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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Prokofiev, Sergey I.
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article
Coarsening of (αTi) + (βTi) Microstructure in the Ti–Al–V Alloy at Constant Temperature
Abstract
<jats:sec><jats:label /><jats:p>The microstructure evolution of the Ti–6 wt% Al–4 wt% V alloy with increasing annealing time t at constant temperature T = 800 °C is studied. This temperature is in the two‐phase region (αTi) + (βTi) of Ti–Al–V ternary phase diagram. The annealing time t varies from 7 to 840 h. The microstructure of the annealed samples is investigated using optical and scanning electron microscopy. The average grain size of (αTi) and (βTi) phases grows approximately proportional to t<jats:sup>1/4</jats:sup>. This indicates that both processes are controlled by the diffusion along grain boundaries (αTi)/(αTi) and (βTi)/(βTi) and/or interphase boundaries (αTi)/(βTi).</jats:p></jats:sec>