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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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Lipińska, Marta
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024Thermal cycling effects on the local microstructure and mechanical properties in wire-based directed energy deposition of nickel-based superalloycitations
- 2023Application of electron beam welding technique for joining coarse-grained and ultrafine-grained plates from Al-Mg-Si alloycitations
- 2018A new hybrid process to produce ultrafine grained aluminium platescitations
- 2017Ultrafine-Grained Plates of Al-Mg-Si Alloy Obtained by Incremental Equal Channel Angular Pressing: Microstructure and Mechanical Propertiescitations
- 2017Microstructure and Corrosion Behavior of the Friction Stir Welded Joints Made from Ultrafine Grained Aluminumcitations
- 2016Incremental ECAP as a method to produce ultrafine grained aluminium platescitations
- 2016Characterization of Microstructure and Mechanical Properties of 1350 Aluminium Alloy Processed by Equal-Channel Angular Pressing with Parallel Channels
- 2016The influence of severe plastic deformation processes on electrical conductivity of commercially pure aluminium and 5483 aluminium alloycitations
- 2015Influence of grain size on the corrosion resistance of aluminium alloy Al 6060
- 2015Microstructure evolution in aluminium 6060 during Incremental ECAP
- 2015Efficient method of producing ultrafine grained non-ferrous metals
- 2015Microstructure and mechanical properties of friction stir welded joints made from ultrafine grained aluminium 1050citations
- 2014Incremental ECAP as a novel tool for producing ultrafine grained aluminium platescitations
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article
Application of electron beam welding technique for joining coarse-grained and ultrafine-grained plates from Al-Mg-Si alloy
Abstract
<p>In the present work, the attempt to weld coarse (CG) and ultrafine-grained (UFG) Al-Mg-Si alloy using an electron beam welding technique has been taken. Welding parameters were selected in a way to reduce the energy input, and thus the heat-affected zone (HAZ) and the evaporation of elements with high saturated vapor pressure. The UFG microstructure was beneficial in obtaining smaller grains in the fusion zone (FZ) and HAZ, resulting in higher mechanical strength than weldments from CG Al-Mg-Si alloy. The weld efficiency for CG alloy was 80 %, while for the UFG sample - 68 % (82 %, compared to CG base material). The reasons for a drop in mechanical properties in the FZ were a dissolution of strengthening precipitates and an increase in grain size. Also, the evaporation of Mg (alloying element) and Zn (impurity) occurred to a larger extent. The rupture in both welds occurred in the columnar dendritic area in the FZ, characterized by the elongated dendrites and cube texture that favoured the rupture.</p>