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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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Chang, Yao Jen
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2024The recrystallization behavior of cryo- and cold-rolled AlCoCrFeNiTi high entropy alloycitations
- 2022Revealing the Precipitation Sequence with Aging Temperature in a Non-equiatomic AlCoCrFeNi High Entropy Alloycitations
- 2021Reversal of favorable microstructure under plastic ploughing vs. interfacial shear induced wear in aged Co1.5CrFeNi1.5Ti0.5 high-entropy alloycitations
- 2021Aging temperature role on precipitation hardening in a non-equiatomic AlCoCrFeNiTi high-entropy alloycitations
- 2021Influence of pre-deformation on the precipitation characteristics of aged non-equiatomic Co1.5CrFeNi1.5 high entropy alloys with Ti and Al additionscitations
- 2020Enhanced age hardening effects in FCC based Co1.5CrFeNi1.5 high entropy alloys with varying Ti and Al contentscitations
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article
Influence of pre-deformation on the precipitation characteristics of aged non-equiatomic Co1.5CrFeNi1.5 high entropy alloys with Ti and Al additions
Abstract
<p>Non-equiatomic Co<sub>1.5</sub>CrFeNi<sub>1.5</sub> high entropy alloys (HEAs) with Ti and Al additions (Al<sub>0.5</sub>Co<sub>1.5</sub>CrFeNi<sub>1.5</sub> – Al<sub>05</sub>, Al<sub>0.2</sub>Co<sub>1.5</sub>CrFeNi<sub>1.5</sub>Ti<sub>0.3</sub> – Al<sub>02</sub>Ti<sub>03</sub> and Co<sub>1.5</sub>CrFeNi<sub>1.5</sub>Ti<sub>0.5</sub> – Ti<sub>05</sub>), aged at 750 °C, exhibit pronounced precipitation hardening. The present work investigates the effect of pre-deformation on their aging response, primarily focusing on the precipitation characteristics and their effect on strengthening. Pre-deformation of 25% through quasi-static compression has been applied on the solution treated HEA samples. The pre-deformed samples have been aged at 750 °C for different time intervals. Interestingly, pre-deformed HEAs have shown reduced peak-aging time of 50 h in all the three HEAs, due to the enhanced precipitation kinetics arising from the significant increase in their dislocation densities. Microstructural investigations on the pre-deformed and aged alloys show distinct precipitate size and distribution characteristics. The same has been quantitatively assessed to understand their role on aging response and coarsening kinetics during over-aging.</p>