Mechanical Properties and Fabrication of Nanostructured Mg2SiO4-MgAl2O4 Composites by High-Frequency Induction Heated Combustion

Title
Mechanical Properties and Fabrication of Nanostructured Mg2SiO4-MgAl2O4 Composites by High-Frequency Induction Heated Combustion
Authors
손인진강현수홍경태도정만윤진국
Keywords
Composite; Nanostructure; High-frequency induction heated combustion; Mg2SiO4; Mechanical properties
Issue Date
2011-08
Publisher
대한금속 . 재료학회지; Journal of the Korean Institute of Metals and Materials
Citation
VOL 49, NO 8, 614-618
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 a high-frequency induction heating sintering process. The advantage of this process is that it allows very quick densification to near theoretical density and inhibition of grain growth. Nanocrystalline materials have received much attention as advanced engineering materials with improved physical and mechanical properties. As nanomaterials possess high strength, high hardness, excellent ductility and toughness, undoubtedly, more attention has been paid for the application of nanomaterials. Highly dense nanostructured MgAl2O4-Mg2SiO4 composites were produced with simultaneous application of 80 MPa pressure and induced output current of total power capacity (15 kW) within 2min. The sintering behavior, gain size and mechanical properties of MgAl2O4-Mg2SiO4 composites were investigated.
URI
http://pubs.kist.re.kr/handle/201004/40172
ISSN
1738-8228
Appears in Collections:
KIST Publication > Article
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