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Effect of Additives on the Characteristics of Amorphous Nano Boron Powder Fabricated by Self-Propagating High Temperature Synthesis
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  • Journal title : Korean Journal of Materials Research
  • Volume 25, Issue 12,  2015, pp.659-665
  • Publisher : The Materials Research Society of Korea
  • DOI : 10.3740/MRSK.2015.25.12.659
 Title & Authors
Effect of Additives on the Characteristics of Amorphous Nano Boron Powder Fabricated by Self-Propagating High Temperature Synthesis
Joo, Sin Hyong; Nersisyan, Hayk H.; Lee, Tae Hyuk; Cho, Young Hee; Kim, Hong Moule; Lee, Huk Hee; Lee, Jong Hyeon;
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 Abstract
The self-propagating high temperature synthesis approach was applied to synthesize amorphous boron nano-powders in argon atmospheres. For this purpose, we investigated the characteristics of a thermally induced combustion wave in the system() in an argon atmospheres. In this study, the exothermic nature of the reaction was investigated using thermodynamic calculations. Experimental study was conducted based on the calculation data and the SHS products consisting of crystalline boron and other compounds were obtained starting with a different initial molar ratio of Mg. It was found that the and Mg reaction system produced a high combustion temperature with a rapid combustion reaction. In order to regulate the combustion reaction, NaCl, and additives were investigated as diluents. In an experimental study, it was found that all diluents effectively stabilized the reaction regime. The final product of the system with 0.5 mole was identified to be amorphous boron nano-powders(< 100 nm).
 Keywords
amorphous boron;SHS;microstructure;nano powder;
 Language
Korean
 Cited by
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