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Fabrication of 4.25 Co0.53Fe0.47-Al2O3 Composite by High FrequencyInduction Heated Combustion Synthesis and Sintering  

Lee, Dong-Mok (Division of Advanced Materials Engineering, the Research Center of Advanced Materials Development, Chonbuk National University)
Jo, Kwang-Myoung (Division of Advanced Materials Engineering, the Research Center of Advanced Materials Development, Chonbuk National University)
Shon, In-Jin (Division of Advanced Materials Engineering, the Research Center of Advanced Materials Development, Chonbuk National University)
Publication Information
Korean Journal of Metals and Materials / v.47, no.6, 2009 , pp. 344-348 More about this Journal
Abstract
Dense $4.25Co_{0.53}Fe_{0.47}-Al_{2}O_{3}$ composite was simultaneously synthesized and consolidated by pulsed current activated combustion method within 2 min from mechanically activated powders. Consolidation was accomplished under the combined effects of a pulsed current and mechanical pressure. Dense $4.25Co_{0.53}Fe_{0.47}-Al_{2}O_{3}$ with relative density of up to 96% was produced under simultaneous application of 80 MPa pressure and the pulsed current. Fracture toughness and hardness of the composite are $6MPa{\cdot}m^{1/2}$ and $570kg/mm^{2}$ respectively.
Keywords
combustion synthesis; composite materials; nanopowder; $Fe-Al_{2}O_{3}$; $Co-Al_{2}O_{3}$;
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Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By Web Of Science : 10  (Related Records In Web of Science)
Times Cited By SCOPUS : 9
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