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Mechanical synthesis and rapid consolidation of a nanocrystalline 3.3Fe0.6Cr0.3Al0.1-Al2O3 composite by high frequency induction heating |
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| Authors: | In-Jin Shon Tae-Wan KimJung-Mann Doh Jin-Kook YoonSang-Whan Park In-Yong Ko |
| Affiliation: | a Division of Advanced Materials Engineering and Research Center of Advanced Materials Development, Engineering College, Chonbuk National University, Chonbuk 561-756, Republic of Korea b Department of Hydrogen and Fuel Cells Engineering, Specialized Graduate School, Chonbuk National University, Chonbuk 561-756, Republic of Korea c Advanced Functional Materials Research Center, Korea Institute of Science and Technology, PO Box 131, Cheongryang, Seoul 130-650, Republic of Korea |
| Abstract: | Nanopowders of 3.3Fe0.6Cr0.3Al0.1 and Al2O3 were synthesized from Fe2O3, Cr, and Al powders by high-energy ball milling. A high density nanocrystalline 3.3Fe0.6Cr0.3Al0.1-Al2O3 composite was consolidated by a high frequency induction heated sintering (HFIHS) method within 3 min from mechanically synthesized powders of Al2O3 and 3.3Fe0.6Cr0.3Al0.1. The average grain sizes of Al2O3 and 3.3Fe0.6Cr0.3Al0.1 were 84 and 32 nm, respectively. |
| Keywords: | Nanostructured materials Sintering Mechanical alloying Mechanical properties Composite materials |
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