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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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Průša, Filip
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Publications (8/8 displayed)
- 2022Microstructure and Mechanical Properties of Ti-25Nb-4Ta-8Sn Alloy Prepared by Spark Plasma Sinteringcitations
- 2022Corrosion Properties of Boron- and Manganese-Alloyed Stainless Steels as a Material for the Bipolar Plates of PEM Fuel Cellscitations
- 2021The effect of powder size on the mechanical and corrosion properties and the ignition temperature of WE43 alloy prepared by spark plasma sinteringcitations
- 2021Dense ceramics of lanthanide-doped Lu2O3 prepared by spark plasma sinteringcitations
- 2021Influence of Ceramic Particles Character on Resulted Properties of Zinc-Hydroxyapatite/Monetite Compositescitations
- 2021Specific interface prepared by the SPS of chemically treated Mg-based powdercitations
- 2021Indentation Size Effect in CoCrFeMnNi HEA Prepared by Various Techniquescitations
- 2020Characterization of a Zn‐Ca5(PO4)3(OH) composite with a high content of the hydroxyapatite particles prepared by the spark plasma sintering processcitations
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article
The effect of powder size on the mechanical and corrosion properties and the ignition temperature of WE43 alloy prepared by spark plasma sintering
Abstract
Powder metallurgy is a powerful method for the preparation of materials with superior properties. This work aimed to investigate the effect of powder size on the microstructure, mechanical, and corrosion properties of advanced WE43 (Mg-4Y-3REE-Zr) alloy prepared by spark plasma sintering (SPS). At the same time, the effect of HF pre-treatment of the powder on the properties of final compacted products is studied. Smaller powder particles yielded microstructure with more interfaces formed by Y2O3, or MgF2 and YF3. These interfaces work as barriers against corrosion, which greatly improves corrosion resistance. The suggested pre-treatment of powder in HF further reduced the corrosion rate of the compacted materials. On the contrary, fragile interfaces of YF3 decreased mechanical properties as the crack primarily propagates through these interfaces. The original powder containing the mixture of all powder fractions exerted the best combination of mechanical properties. Powder size has also shown to affect ignition temperature. The highest ignition temperature was measured for the finest powder fraction. © 2021