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| Naji, M. |
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| Motta, Antonella |
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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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| Ali, M. A. |
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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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Orłowska, Marta
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2023Influence of process and heat input on the microstructure and mechanical properties in wire arc additive manufacturing of hot work tool steelscitations
- 2022Increasing the Mechanical Strength and Corrosion Resistance of Aluminum Alloy 7075 via Hydrostatic Extrusion and Agingcitations
- 2022The Influence of Heat Treatment on the Mechanical Properties and Corrosion Resistance of the Ultrafine-Grained AA7075 Obtained by Hydrostatic Extrusioncitations
- 2021Effect of microstructural features on the corrosion behavior of severely deformed Al–Mg–Si alloycitations
- 2020A Novel Rolling Approach to Refining the Microstructure and Enhancing the Mechanical Strength of Pure Aluminiumcitations
- 2020Similar and dissimilar welds of ultrafine grained aluminium obtained by friction stir weldingcitations
- 2019The effect of grain size and grain boundary misorientation on the corrosion resistance of commercially pure aluminiumcitations
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article
Similar and dissimilar welds of ultrafine grained aluminium obtained by friction stir welding
Abstract
Samples from commercially pure aluminium were subjected to various number of passes of Incremental EqualChannel Angular Pressing (I-ECAP) and subsequently welded using Friction Stir Welding (FSW). Similar anddissimilar welds were obtained and investigated in terms of their microstructure and mechanical properties. Inthe case of similar weld from coarse grained aluminium in the stir zone a decreased average grain size wasobtained, which resulted in enhanced microhardness. In the case of samples after I-ECAP, the ultrafine grainedregime has not been preserved, which caused a drop in microhardness in the stir zone. Nevertheless, obtainedresults were still higher than those for coarse grained sample. In all welds the average grain size of 2.1–3.7 μmwas obtained. No correlation between the microstructure of base material and stir zone has been found. Tensiletests revealed, that the localization of deformation was obtained in each weld in the area of the biggest averagegrain size. For dissimilar welds from deformed and undeformed samples a gradient change in microstructure andmicrohardness was obtained on the cross-section of the welds.