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Fabrication of Ni-free Fe-based Alloy Nano Powder by Pulsed Wire Evaporation in Liquid: Part 2. Effect of Solvent and Comparison of Fabricated Powder owing to Fabrication Method
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HOME > J Korean Powder Metall Inst > Volume 18(2); 2011 > Article
액중 전기선 폭발법에 의한 Ni-free Fe계 나노 합금분말의 제조: 2. 용매의 영향 및 제조 방법에 따른 분말입자의 비교
류호진, 이용희, 손광욱, 공영민, 김진천, 김병기, 윤중열
Fabrication of Ni-free Fe-based Alloy Nano Powder by Pulsed Wire Evaporation in Liquid: Part 2. Effect of Solvent and Comparison of Fabricated Powder owing to Fabrication Method
Ho-Jin Ryu, Yong-Heui Lee, Kwang-Ug Son, Young-Min Kong, Jin-Chun Kim, Byoung-Kee Kim, Jung-Yeul Yun
Journal of Korean Powder Metallurgy Institute 2011;18(2):112-121
DOI: https://doi.org/10.4150/KPMI.2011.18.2.112
1울산대학교 공과대학 첨단소재공학부
2울산대학교 공과대학 첨단소재공학부
3울산대학교 공과대학 첨단소재공학부
4울산대학교 공과대학 첨단소재공학부
5울산대학교 공과대학 첨단소재공학부
6울산대학교 공과대학 첨단소재공학부
7한국기계연구원 부설 재료연구소
1School of Materials Science and Engineering, University of Ulsan
2School of Materials Science and Engineering, University of Ulsan
3School of Materials Science and Engineering, University of Ulsan
4School of Materials Science and Engineering, University of Ulsan
5School of Materials Science and Engineering, University of Ulsan
6School of Materials Science and Engineering, University of Ulsan
7Korea Institute of Materials Science
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This study investigated the effect of solvent on the fabrication of Ni-free Fe-based alloy nano powders by employing the PWE (pulsed wire evaporation) in liquid and compared the alloy particles fabricated by three different methods (PWE in liquid, PWE in Ar, plasma arc discharge), for high temperature oxidation-resistant metallic porous body for high temperature soot filter system. Three different solvents (ethanol, acetone, distilled water) of liquid were adapted in PWE in liquid process, while X-ray diffraction (XRD), field emission scanning microscope (FE-SEM), and transmission electron microscope (TEM) were used to investigate the characteristics of the Fe-Cr-Al nano powders. The alloy powder synthesized by PWE in ethanol has good particle size and no surface oxidation compared to that of distilled water. Since the Fe-based alloy powders, which were fabricated by PWE in Ar and PAD process, showed surface oxidation by TEM analysis, the PWE in ethanol is the best way to fabricate Fe-based alloy nano powder.

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