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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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Erdely, Petra
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2019In situ and atomic-scale investigations of the early stages of γ precipitate growth in a supersaturated intermetallic Ti-44Al-7Mo (at.%) solid solutioncitations
- 2019Deformation-induced phase transformation in a Co-Cr-W-Mo alloy studied by high-energy X-ray diffraction during in-situ compression testscitations
- 2019Evidence of an orthorhombic transition phase in a Ti-44Al-3Mo (at.%) alloy using in situ synchrotron diffraction and transmission electron microscopycitations
- 2018Lattice and phase strain evolution during tensile loading of an intermetallic, multi-phase γ-TiAl based alloycitations
- 2017Design and control of microstructure and texture by thermomechanical processing of a multi-phase TiAl alloycitations
- 2017Effect of hot rolling and primary annealing on the microstructure and texture of a $beta$-stabilised $gamma$-TiAl based alloycitations
- 2016In Situ Characterization Techniques Based on Synchrotron Radiation and Neutrons Applied for the Development of an Engineering Intermetallic Titanium Aluminide Alloycitations
- 2015In-situ study of the time–temperature-transformation behaviour of a multi-phase intermetallic β-stabilised TiAl alloycitations
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article
Evidence of an orthorhombic transition phase in a Ti-44Al-3Mo (at.%) alloy using in situ synchrotron diffraction and transmission electron microscopy
Abstract
Alloying of a binary system with an additional element often leads to the formation of new phases. In this work, a $γ$-TiAl based alloy with 3 at.% molybdenum was investigated, which was quenched from 1450 °C. Upon reheating,the formation of an orthorhombic phase was observed with the help of in situ high-energy X-ray diffraction.This phase formed at 600 °C and vanished again at 720 °C, and acts as a transition phase between the $α_2$ and the $γ$ phase. Such a transition phase has not been observed before in this type of alloy. Additionally, transmission electron microscopy was used to study the microstructure of selected sample states on a submicrometerlevel. The orthorhombic phase formed fine lamellae inside the $α_2$ phase and the $α_2$′ martensite.