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- High-Frequency Induction-Heated Combustion Synthesis and Consolidation of Nanostructured NbSi2 from Mechanically Activated Powders
- Byung-Ryang Kim, Jin-Kook Yoon, Kee-Seok Nam, In-Jin Shon
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Journal of Korean Powder Metallurgy Institute 2008;15(4):279-284
DOI: https://doi.org/10.4150/KPMI.2008.15.4.279
1Division of Advanced Materials Engineering, the Research Center of Industrial Technology, Chonbuk National University
2Advanced Functional Materials Research Center, Korea Institute of Science and Technology
3Department of Surface Engineering, Korea Institute of Materials Science
4Division of Advanced Materials Engineering, the Research Center of Industrial Technology, Chonbuk National University
2Advanced Functional Materials Research Center, Korea Institute of Science and Technology
3Department of Surface Engineering, Korea Institute of Materials Science
4Division of Advanced Materials Engineering, the Research Center of Industrial Technology, Chonbuk National University
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Abstract
Dense nanostructured NbSi_2 was synthesized by high-frequency induction-heated combustion synthesis (HFIHCS) method within 1 minute in one step from mechanically activated Nb and Si powders. Highly dense NbSi_2 with relative density of up to 99% was simultaneously synthesized and consolidated under the combined effects of an induced current and mechanical pressure of 60 MPa. The average grain size and mechanical properties (hardness and fracture toughness) of the compound were investigated.
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