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- 화학기상응축법으로 제조된 철 나노분말의 산화저항에 관한 연구
- 이동원, 유지훈, 배정현, 장태석, 김병기
- A Study on Oxidation-Resistance of Iron Nanoparticles Synthesized by Chemical Vapor Condensation Process
- Dong-Won Lee, Ji-Hun Yu, Jeoung-Hyun Bae, Tae-Suk Jang, Byoung-Kee Kim
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Journal of Korean Powder Metallurgy Institute 2005;12(3):225-230
DOI: https://doi.org/10.4150/KPMI.2005.12.3.225
1한국기계연구원 신기능재료연구본부 분말재료연구센터
2한국기계연구원 신기능재료연구본부 분말재료연구센터
3한국기계연구원 신기능재료연구본부 분말재료연구센터
4선물대학교 신소재 공학과
5한국기계연구원 신기능재료연구본부 분말재료연구센터
1Powder Materials Research Center, Korea Institute of Machinery and Materials
2Powder Materials Research Center, Korea Institute of Machinery and Materials
3Powder Materials Research Center, Korea Institute of Machinery and Materials
4Division of Materials and Chemical Engineering, Sunmoon University
5Powder Materials Research Center, Korea Institute of Machinery and Materials
2한국기계연구원 신기능재료연구본부 분말재료연구센터
3한국기계연구원 신기능재료연구본부 분말재료연구센터
4선물대학교 신소재 공학과
5한국기계연구원 신기능재료연구본부 분말재료연구센터
1Powder Materials Research Center, Korea Institute of Machinery and Materials
2Powder Materials Research Center, Korea Institute of Machinery and Materials
3Powder Materials Research Center, Korea Institute of Machinery and Materials
4Division of Materials and Chemical Engineering, Sunmoon University
5Powder Materials Research Center, Korea Institute of Machinery and Materials
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Abstract
In order to prevent the oxide formation on the surface of nano-size iron particles and thereby to improve the oxidation resistance, iron nanoparticles synthesized by a chemical vapor condensation method were directly soaked in hexadecanethiol solution to coat them with a polymer layer. Oxygen content in the polymer-coated iron nanoparticles was significantly lower than that in air-passivated particles possessing iron-core/oxide-shell structure. Accordingly, oxidation resistance of the polymer-coated particles at an elevated temperature below 130°C in air was 10~40 times higher than that of the air- passivated particles.
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