Mechanical Properties and Fabrication of Nanostructured Mg2SiO4-MgAl2O4 Composites by High-Frequency Induction Heated Combustion
- Mechanical Properties and Fabrication of Nanostructured Mg2SiO4-MgAl2O4 Composites by High-Frequency Induction Heated Combustion
- 손인진; 강현수; 홍경태; 도정만; 윤진국
- Composite; Nanostructure; High-frequency induction heated combustion; Mg2SiO4; Mechanical properties
- Issue Date
- 대한금속 . 재료학회지; Journal of the Korean Institute of Metals and Materials
- VOL 49, NO 8, 614-618
- 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.
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