DSpace at KIST: Mechanical synthesis and rapid consolidation of nanocrystalline 3Fe(0.67)Cr(0.33)-Al2O3 composite by high frequency induction heating

Mechanical synthesis and rapid consolidation of nanocrystalline 3Fe(0.67)Cr(0.33)-Al2O3 composite by high frequency induction heating

Authors: Shon, In-Jin; Kim, Sung-Yong; Ko, In-Yong; Doh, Jung-Mann; Yoon, Jin-Kook; Park, Na-Ra

Abstract: Nanopowders of 3Fe(0.67)Cr(0.33) and Al2O3 were synthesized from CrO3 and 2FeAl powders by high-energy ball milling. A highly dense nanocrystalline 3Fe(0.67)Cr(0.33)-Al2O3 composite was consolidated by a high frequency induction heated sintering (HFIHS) method within three minutes from mechanically synthesized powders of Al2O3 and 3Fe(0.67)Cr(0.33). The average grain size and mechanical properties of the composite were investigated.

Keywords: MATRIX COMPOSITES; POWDERS; ALUMINUM; WC; MATRIX COMPOSITES; POWDERS; ALUMINUM; WC; nanostructured materials; sintering; mechanical alloying; mechanical properties; composite materials

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