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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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Rzychoń, Tomasz
Silesian University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (5/5 displayed)
- 2024Optimisation of Hot-Chamber Die-Casting Process of AM60 Alloy Using Taguchi Methodcitations
- 2020The microstructure and creep properties of as-cast Mg-Sn-Si-(Al) magnesium alloyscitations
- 2018Novel piezoelectric paper based on SbSI nanowirescitations
- 2012The influence of hot-chamber die casting parameters on the microstructure and mechanical properties of magnesium aluminium alloys containing alkaline elementscitations
- 2007Structural and quantitative analysis of die cast AE44 magnesium alloy
Places of action
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article
The influence of hot-chamber die casting parameters on the microstructure and mechanical properties of magnesium aluminium alloys containing alkaline elements
Abstract
The AJ62 magnesium alloy (Mg-6Al-2Sr) is characterized by good creep resistance up to 175°C and good castability enabling production of thin-walled elements in die casting process. The aim of the work was to analyse the influence of hot-chamber die casting parameters on the microstructure and mechanical properties of the AJ62 magnesium alloy. Die casting of investigated alloys was carried out on a 280 tone locking force hot-chamber die casting machine. The piston speed, pressure, die temperature and casting temperature were changed during die casting. The microstructural examinations after die casting showed that the alloy consisted of the solid solution a, lamellar eutectic (Al, Mg)4Sr, minor amounts of massive Al3Mg13Sr phase and globular particles of Mn5Al8. Precipitates of Mg17Al12 phase were not detected. The stereological examinations after die casting showed that the volume fraction of massive Al3Mg13Sr phase was dependant on the casting rate. Changing the casting rate had an influence on the volume fraction of (Al, Mg)4Sr and Al3Mg13Sr phases. The gas porosity is strongly influenced by the applied pressure and the plunger velocity during die casting process. The mechanical properties of AJ62 magnesium alloy are better at low porosity and high volume fraction of (Al, Mg)4Sr phase.