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

作者：Shon In Jin^*; Kang Hyun Su; Hong Kyung Tae; Doh Jung Mann; Yoon Jin Kook

来源：Journal of the Korean Institute of Metals and Materials, 2011, 49(8): 614-618.

DOI：10.3365/KJMM.2011.49.8.614

• composite
• nanostructure
• high-frequency induction heated combustion
• Mg2SiO4
• mechanical properties

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 2 min. The sintering behavior, gain size and mechanical properties of MgAl2O4-Mg2SiO4 composites were investigated.

• 出版日期2011-8