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Rapid Synthesis and Consolidation of Nanostructured Mg2SiO4-MgAl2O4 Composites

Authors
Shon, In-Jin; Kang, Hyun-Su; Doh, Jung-Mann; Yoon, Jin-Kook
Issue Date
2011-10
Publisher
JAPAN INST METALS
Citation
MATERIALS TRANSACTIONS, v.52, no.10, pp.2007 - 2010
Abstract
Nanopowders of MgO, Al2O3 and SiO2 were made by high energy ball milling. The rapid sintering of nanostructured MgAl2O4-Mg2SiO4 composites was investigated by the pulsed current activated sintering process. The advantage of this process is that it allows very quick densification to near theoretical density and inhibition of grain growth. Highly dense nanostructured MgAl2O4-Mg2SiO4 composites were produced with simultaneous application of 80 MPa pressure and pulsed current of 2800 A within 2 min. The sintering behavior, grain size and mechanical properties of MgAl2O4-Mg2SiO4 composites were investigated. [doi:10.2320/matertrans.M2011188]
Keywords
INDUCTION HEATED COMBUSTION; CO HARD MATERIALS; MECHANICAL-PROPERTIES; WC; CERAMICS; POWDERS; METALS; GROWTH; INDUCTION HEATED COMBUSTION; CO HARD MATERIALS; MECHANICAL-PROPERTIES; WC; CERAMICS; POWDERS; METALS; GROWTH; sintering; MgAl2O4-Mg2SiO4; composite; nanostntctured material; powder metallurgy
ISSN
1345-9678
URI
https://pubs.kist.re.kr/handle/201004/129955
DOI
10.2320/matertrans.M2011188
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KIST Article > 2011
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