Articles
  • Rapid consolidation of nanostuctured MgO −Mg2SiO4 composites by high frequency induction heated sintering
  • In-Jin Shona,*, In-Yong Koa, Hui-Soo Juna, Kyung-Tae Hongb, Se-Hoon Ohc, Jung-Mann Dohb and Jin-Kook Yoonb
  • a Division of Advanced Materials Engineering and the Research Center of Advanced Materials Development, Engineering College, Chonbuk National University, 561-756, Republic of Korea b Advanced Functional Materials Research Center, Korea Institute of Science and Technology, PO Box 131, Cheongryang, Seoul 130-650, Republic of Korea c Department of Mechanical Engineering, Chung-Ang University, Seoul Korea 156-756, Korea
Abstract
The rapid sintering of nanostuctured MgO and MgO-Mg2SiO4 composites in a short time was investigated with a highfrequency induction heating sintering process. The advantage of this process is that it allows very quick densification to near theoretical density and prohibition of grain growth in nanostuctured materials. Highly dense nanostructured MgO and MgOMg2SiO4 composites were produced with simultaneous application of 80 MPa pressure and an induced current output of total power capacity (15 kW) within 2 minutes. The grain sizes of MgO and Mg2SiO4 in MgO, MgO-10 wt%SiO2, MgO-20 wt%SiO2, MgO-30 wt%SiO2, and MgO-40 wt%SiO2 sintered at 1400 oC and the hadnesses were investigated

Keywords: Sintering, MgO, Mg2SiO4, Nanostructured material, Powder metallurgy

This Article

  • 2011; 12(3): 314-318

    Published on Jun 30, 2011