Fabrication of Porous Nano Particles from Al-Cu Alloy Nano Powders Prepared by Electrical Wire Explosion

Je-Shin Park; Won-Baek Kim; Chang-Youl Suh; Jong-Gwan Ahn; Byoung-Kyu Kim

doi:10.4150/KPMI.2008.15.3.234

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Page Path: HOME > J Korean Powder Metall Inst > Volume 15(3); 2008 > Article

전기선 폭발법으로 제조된 Al-Cu 합금 나노분말을 이용한 다공성 나노 입자 제조: 박제신, 김원백, 서창열, 안종관, 김병규
Fabrication of Porous Nano Particles from Al-Cu Alloy Nano Powders Prepared by Electrical Wire Explosion: Je-Shin Park, Won-Baek Kim, Chang-Youl Suh, Jong-Gwan Ahn, Byoung-Kyu Kim; Journal of Korean Powder Metallurgy Institute 2008;15(3):234-238
DOI: https://doi.org/10.4150/KPMI.2008.15.3.234

¹한국지질자원연구원 자원활용소재연구부
²한국지질자원연구원 자원활용소재연구부
³한국지질자원연구원 자원활용소재연구부
⁴한국지질자원연구원 자원활용소재연구부
⁵한국지질자원연구원 자원활용소재연구부
¹Minerals and Materials Processing Division Korea Institute of Geoscience and Mineral Resources
²Minerals and Materials Processing Division Korea Institute of Geoscience and Mineral Resources
³Minerals and Materials Processing Division Korea Institute of Geoscience and Mineral Resources
⁴Minerals and Materials Processing Division Korea Institute of Geoscience and Mineral Resources
⁵Minerals and Materials Processing Division Korea Institute of Geoscience and Mineral Resources

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Abstract

Al-Cu alloy nano powders have been produced by the electrical explosion of Cu-plated Al wire. The porous nano particles were prepared by leaching for Al-Cu alloy nano powders in 40wt% NaOH aqueous solution. The surface area of leached powder for 5 hours was 4 times larger than that of original alloy nano powder. It is demonstrated that porous nano particles could be obtained by selective leaching of alloy nano powder. It is expected that porous Cu nano powders can be applied for catalyst of SRM (steam reforming methanol).

Keywords: Electrical wire explosion;Electrodeposition;Selective leaching;Porous nano powder;

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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
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. CrossRef
Fabrication of Ni-free Fe-based Alloy Nano Powder by Pulsed Wire Evaporation in Liquid: Part I. Effect of Wire Diameter and Applied Voltage
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): 105. CrossRef

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