Počet záznamů: 1
Effect of Short Attritor-Milling of Magnesium Alloy Powder Prior to Spark Plasma Sintering
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SYSNO ASEP 0534277 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Effect of Short Attritor-Milling of Magnesium Alloy Powder Prior to Spark Plasma Sintering Tvůrce(i) Minárik, P. (CZ)
Zemková, M. (CZ)
Knapek, Michal (UJF-V) ORCID
Šašek, S. (CZ)
Dittrich, J. (CZ)
Lukáč, František (UFP-V) ORCID
Kozlík, J. (CZ)
Král, R. (CZ)Celkový počet autorů 8 Číslo článku 3973 Zdroj.dok. Materials. - : MDPI
Roč. 13, č. 18 (2020)Poč.str. 12 s. Forma vydání Online - E Jazyk dok. eng - angličtina Země vyd. CH - Švýcarsko Klíč. slova Magnesium ; powder ; spark plasma sintering ; milling ; mechnical properties ; microstructure Vědní obor RIV BG - Jaderná, atomová a mol. fyzika, urychlovače Obor OECD Nuclear physics Vědní obor RIV – spolupráce Ústav fyziky plazmatu - Průmyslové procesy a zpracování CEP EF16_013/0001794 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy Způsob publikování Open access Institucionální podpora UJF-V - RVO:61389005 ; UFP-V - RVO:61389021 UT WOS 000581432900001 EID SCOPUS 85091339044 DOI 10.3390/ma13183973 Anotace The spark plasma sintering (SPS) technique was employed to prepare compacts from (i) gas-atomized and (ii) attritor-milled AE42 magnesium powder. Short attritor-milling was used mainly to disrupt the MgO shell covering the powder particles and, in turn, to enhance consolidation during sintering. Compacts prepared by SPS from the milled powder featured finer microstructures than compacts consolidated from gas-atomized powder (i.e., without milling), regardless of the sintering temperatures in the range of 400-550 degrees C. Furthermore, the grain growth associated with the increase in the sintering temperature in these samples was less pronounced than in the samples prepared from gas-atomized particles. Consequently, the mechanical properties were significantly enhanced in the material made of milled powder. Apart from grain refinement, the improvements in mechanical performance were attributed to the synergic effect of the irregular shape of the milled particles and better consolidation due to effectively disrupted MgO shells, thus suppressing the crack formation and propagation during loading. These results suggest that relatively short milling of magnesium alloy powder can be effectively used to achieve superior mechanical properties during consolidation by SPS even at relatively low temperatures. Pracoviště Ústav jaderné fyziky Kontakt Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Rok sběru 2021 Elektronická adresa https://doi.org/10.3390/ma13183973
Počet záznamů: 1