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- 질소가스흡착법을 이용한 금속 나노분말의 프랙탈 차원 결정 및 표면 특성 평가
- 이경자, 엄영랑, 이창규
- Determination of Fractal Dimension and Surface Characterization of Metal Nano-powder Using Nitrogen Gas Adsorption Method
- Gyoung-Ja Lee, Young-Rang Uhm, Chang-Kyu Rhee
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Journal of Korean Powder Metallurgy Institute 2007;14(6):391-398
DOI: https://doi.org/10.4150/KPMI.2007.14.6.391
1한국원자력연구원, 원자력나노소재응용랩
2한국원자력연구원, 원자력나노소재응용랩
3한국원자력연구원, 원자력나노소재응용랩
1Nuclear Nanomaterials Development Lab,. Korea Atomic Energy Research Institute (KAERI)
2Nuclear Nanomaterials Development Lab,. Korea Atomic Energy Research Institute (KAERI)
3Nuclear Nanomaterials Development Lab,. Korea Atomic Energy Research Institute (KAERI)
2한국원자력연구원, 원자력나노소재응용랩
3한국원자력연구원, 원자력나노소재응용랩
1Nuclear Nanomaterials Development Lab,. Korea Atomic Energy Research Institute (KAERI)
2Nuclear Nanomaterials Development Lab,. Korea Atomic Energy Research Institute (KAERI)
3Nuclear Nanomaterials Development Lab,. Korea Atomic Energy Research Institute (KAERI)
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Abstract
The surface roughness of Al, Ag and Ni nano-powders which were prepared by pulsed wire evaporation method was quantified based upon the fractal theory. The surface fractal dimensions of metal nano-powders were determined from the linear relationship between In V/V_mono and Inln (Po/P) using multi-layer gas adsorption theory. Moreover, the fractal surface image was realized by computer simulation. The relationship between preparation condition and surface characteristics of metal nano-powders was discussed in detail.
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