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| Naji, M. |
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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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| 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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Mroczka, Krzysztof
in Cooperation with on an Cooperation-Score of 37%
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Publications (7/7 displayed)
- 2024Vibration welding of PLA/PHBV blend composites with nanocrystalline cellulose
- 2017Influence of Cu content on high temperature oxidation behavior of AlCoCrCuxFeNi high entropy alloys (x = 0; 0.5; 1)citations
- 2014Characteristics of Alsi9mg/2017A Aluminum Alloys Friction Stir Welded with Offset Welding Line and Root-Side Heating/ Charakterystyka Stopów Aluminium Alsi9mg/2017A Zgrzewanych Metodą Friction Stir Welding Z Przesunięcem Linii Zgrzewania I Dodatkowym Źródłem Ciepła Od Strony Granicitations
- 2014X-ray microtomography analysis of the aluminum alloy composite reinforced by SiC after Friction Stir Processingcitations
- 2014Friction Stir Welding of Elements Made of Cast Aluminium Alloyscitations
- 2013Microstructure and Mechanical Properties of Mg-2.5%Tb-0.78%Sm Alloy After Ecap and Ageingcitations
- 2011Microstructure and Properties of Friction Stir Butt-Welded Magnesium Casting Alloyscitations
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article
Microstructure and Mechanical Properties of Mg-2.5%Tb-0.78%Sm Alloy After Ecap and Ageing
Abstract
<jats:p>The influence of ageing and Equal Channel Angular Pressing (ECAP) on the microstructure and mechanical properties of Mg-2.5%Tb-0.78%Sm alloy has been examined. The microhardness changes during ageing at 200ºC show a slight increase. The aged microstructure at maximum hardness contains Mg<jats:sub>12</jats:sub>(Tb,Sm) - metastable β’ phase of size about 2-10 nm as dispersed precipitates. The orientation relationship between β’ phase and the matrix was found as follows:(0001)<jats:sub>Mg </jats:sub>|| (1¯10)<jats:sub>β′</jats:sub>, [21¯10]<jats:sub>Mg </jats:sub>|| [116]<jats:sub>β′</jats:sub>. The ECAP passes were performed by two procedures: “I” - four passes at 350ºC; “II” - one pass at 370ºC, second pass at 340ºC and third pass at 310ºC. The grain size was reduced about 200 times as a results of ECAP process according “I” and “II” procedure. The grain refinement by ECAP improves significantly the compression yield strength and hardness. The Hall-Petch relationship was confirmed basing on microhardness measurements and the grain size after ECAP. The Mg<jats:sub>24</jats:sub>(Tb,Sm)<jats:sub>5 </jats:sub>and Mg<jats:sub>41</jats:sub>(Sm,Tb)<jats:sub>5 </jats:sub>particles smaller than 150 nm are located mainly at grain and subgrain boundaries and they prevent grain growth during ECAP processing. The microstructure evolution during ECAP can be described as dynamic recovery and continuous and discontinuous dynamic recrystallization.</jats:p>