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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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Kuc, Dariusz
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2024Microstructural, corrosion and mechanical properties of a WE43 alloycitations
- 2024Microstructural, corrosion and mechanical properties of a WE43 alloy: conventional extrusion versus SPDcitations
- 2023Microstructure and properties of an AZ61 alloy after extrusion with a forward-backward oscillating die without preheating of the initial billetcitations
- 2022The Effect of Extrusion Ratio on the Corrosion Resistance of Ultrafine-Grained Mg-4Li-3Al-Zn Alloy Deformed Using Extrusion with a Forward-Backward Oscillating Diecitations
- 2022Evolution of microstructure dependent corrosion properties of ultrafine AZ31 under conditions of extrusion with a forward backward oscillating diecitations
- 2022A comparison of the microstructure-dependent corrosion of dual-structured Mg-Li alloys fabricated by powder consolidation methods: Laser powder bed fusion vs pulse plasma sinteringcitations
- 2022Corrosion behavior of fine-grained Mg-7.5Li-3Al-1Zn fabricated by extrusion with a forward-backward rotating die (KoBo)citations
- 2021Microstructure and corrosion resistance of a duplex structured Mg–7.5Li–3Al–1Zncitations
- 2021Influence of bimodal grain size distribution on the corrosion resistance of Mg–4Li–3Al–1Zn (LAZ431)citations
- 2020The Influence of Microstructure on Corrosion Resistance of Mg-3Al-1Zn-15Li (LAZ1531) Alloycitations
- 2013Activation energy in hot forming and recrystallization models for magnesium alloy AZ31citations
- 2013Influence of calculation method on value of activation energy in hot formingcitations
- 2013Characteristics of plasticity and microstructure of hot forming magnesium alloys Mg-Al-Zn typecitations
- 2011Complex flow stress model for a magnesium alloy AZ31 at hot formingcitations
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article
Evolution of microstructure dependent corrosion properties of ultrafine AZ31 under conditions of extrusion with a forward backward oscillating die
Abstract
The present work aims to elucidate the role of microstructural changes induced by theextrusion with a forward backward oscillating die, thus verifying a novel approach todeveloping deformation methods for Mg-based alloys at ambient temperature. The mainaim of this study was to show the process which enables the reduction of the hcpstructuredAZ31 rods (40 mm in diameter) to the wires with diameters of 6 mm, 4 mmand 2 mm, without initial preheating of the billet. In contrary to the studies up to date, thesignificant microstructure refinement led to the decline in corrosion resistance of the wireswith 6 mm and 4 mm diameters slightly relative to the original material. The highestextrusion ratio resulted in the formation of an ultrafine, equiaxed microstructure, whichcaused a tremendous corrosion resistance decrease. The significant decline in corrosionresistance of this alloy is a result of the highest number of HAGBs and is promoted by theaccumulation of tangled dislocations. Summing up, the corrosion behaviors of theextruded alloys were mainly affected by the recrystallization stage that occurred duringdeformation, and not by the grain size alone.