Articles
  • Properties and rapid consolidation of nanostructured FeAl-Al2O3 composites from mechanically synthesized powders by pulsed current activated sintering
  • In-Yong Koa, Seung-Hoon Joa, Jung-Mann Dohb , Bang-Ju Parkc, Jin-Kook Yoonb and In-Jin Shona,*
  • a Division of Advanced Materials Engineering and Research Center for Advanced Materials Development, Engineering College, Chonbuk National University, 664-14 Deokjin-dong 1-ga, Deokjin-gu, Jeonju, Jeonbuk 561-756, Korea b Advanced Functional Materials Research Center, Korea Institute of Science and Technology, PO Box 131, Cheongryang, Seoul 130-650, Korea c College of BioNano Tech., Gachon University, 1342 SeongnamDaero, Soojung-gu, Seongnam-si, Gyeonggi-do 461-701, Korea
Abstract
Nanopowder of FeAl and Al2O3 was synthesized from Fe2O3 and Al by high energy ball milling. A dense nanostuctured FeAl- Al2O3 composite was consolidated by a pulsed current activated sintering method within 3 minutes from mechanically synthesized powders of FeAl and Al2O3. The grain size, sintering behavior and hardness of the sintered FeAl-Al2O3 composite were investigated.

Keywords: Mechanical alloy, Composite, Nanomaterials, Hardness, Rapid sintering

This Article

  • 2012; 13(2): 138-141

    Published on Apr 30, 2012