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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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Duarte, Liliana I.
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Publications (6/6 displayed)
- 2024Hydrogen enhanced localized plasticity in zirconium as observed by digital image correlation
- 2014Al–Ge–Ti: phase equilibria and structural characterization of new ternary compoundscitations
- 2014Joining of Cu, Ni, and Ti using Au-Ge-based high-temperature solder alloyscitations
- 2013Characterization of the Fe-rich corner of Al–Fe–Si–Ticitations
- 2012Phase equilibria and structural investigations in the Ni-poor part of the system Al–Ge–Nicitations
- 2012Thermodynamic study and re-assessment of the Ge-Ni systemcitations
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article
Al–Ge–Ti: phase equilibria and structural characterization of new ternary compounds
Abstract
Phase equilibria of Al–Ge–Ti have been investigated using scanning electron microscopy (SEM), powder X-ray diffraction (XRD) and differential thermal analysis (DTA). Partial isothermal sections at 400 °C, 520 °C and 1000 °C were obtained with focus on the titanium-poor part up to 50 at.% titanium. Three ternary compounds were found to exist. The compound Al 3 GeTi ( τ 1 ) crystallizes in an own structure type ( P 4/ nmm , tP 10). Two structurally closely related compounds were found at the composition Al 1− x Ge 1+ x Ti: τ 2 (0.61 ≤ x ≤ 0.73), Al 4 Si 5 Zr 3 -type, I 4 1 / amd , tI 24 and τ2′ (0.36 ≤ x ≤ 0.57), Si 2 Zr-type, Cmcm , oC 12. DTA data were used to construct a ternary reaction scheme (Scheil diagram) up to approximately 1300 °C, a partial liquidus projection and two vertical sections, at 10 at.% Ti and at a constant Al:Ti ratio of 1:1. A total number of 12 ternary invariant reactions were identified.