| People | Locations | Statistics |
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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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Graf, Gloria
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2023Effect of wire-arc directed energy deposition on the microstructural formation and age-hardening response of the Mg-9Al-1Zn (AZ91) alloycitations
- 2023On the stability of Ti(Mn,Al)2 C14 Laves phase in an intermetallic Ti–42Al–5Mn alloycitations
- 2023On the stability of Ti(Mn,Al)$_2$ C14 Laves phase in an intermetallic Ti–42Al–5Mn alloycitations
- 2022Quench rate sensitivity of age-hardenable Al-Zn-Mg-Cu alloys with respect to the Zn/Mg ratio: An in situ SAXS and HEXRD studycitations
- 2022Revealing dynamic processes in laser powder bed fusion with in situ X-ray diffraction at PETRA IIIcitations
- 2022Quench rate sensitivity of age-hardenable Al-Zn-Mg-Cu alloys with respect to the Zn/Mg ratiocitations
- 2021Microstructure evolution induced by the intrinsic heat treatment occurring during wire-arc additive manufacturing of an Al-Mg-Zn-Cu crossover alloycitations
- 2021In Situ Investigation of the Rapid Solidification Behavior of Intermetallic $γ$‐TiAl‐Based Alloys Using High‐Energy X‐Ray Diffractioncitations
- 2021In Situ Investigation of the Rapid Solidification Behavior of Intermetallic γ-TiAl-Based Alloys Using High-Energy X-Ray Diffractioncitations
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article
Quench rate sensitivity of age-hardenable Al-Zn-Mg-Cu alloys with respect to the Zn/Mg ratio
Abstract
<p>Al-Zn-Mg-Cu alloys with a low Zn/Mg ratio have attracted considerable attention in recent years as a result of an attractive property portfolio based on their ability of age hardening via the precipitation of the T-Mg<sub>32</sub>(Al,Zn)<sub>49</sub> phase and its precursors. In this study, the quench rate sensitivity of an Al-Mg-Zn-Cu alloy with low Zn/Mg ratio is investigated and compared to a commercial reference Al-Zn-Mg-Cu alloy (AA7075) showing a high Zn/Mg ratio. The impact of five different cooling rates in the range of 0.25–100 K/s on the precipitation of quench-induced particles was studied by means of in situ small-angle X-ray scattering and high-energy X-ray diffraction. Subsequent continuous annealing experiments showed the influence of the cooling rate on the precipitation of fine hardening phases. Selected heat treatment conditions were further studied via scanning electron microscopy and atom probe tomography in order to reveal the microstructure and the chemical composition of the T-Mg<sub>32</sub>(Al,Zn)<sub>49</sub> precipitates. The results showed that the Al-Mg-Zn-Cu alloy with low Zn/Mg ratio exhibits a lower quench rate sensitivity than the commercial AA7075 alloy. The lowest cooling rates, at which no quench-induced precipitation occurs, are in the range of 1 K/s for the investigated Al-Mg-Zn-Cu alloy and 100 K/s for the AA7075 alloy. The robust precipitation behavior of the Al-Mg-Zn-Cu alloy with a low Zn/Mg ratio is expected to be beneficial for advanced manufacturing processes.</p>