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- 동도금한 은선재의 전기선폭발에 의해 제조한 Ag-Cu분말
- 김원백, 박제신, 서창열
- Ag-Cu Powders Prepared by Electrical Wire Explosion of Cu-plated Ag Wires
- Won-Baek Kim, Je-Shin Park, Chang-Youl Suh
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Journal of Korean Powder Metallurgy Institute 2007;14(5):320-326
DOI: https://doi.org/10.4150/KPMI.2007.14.5.320
1한국지질자원연구원 자원활용소재연구부
2한국지질자원연구원 자원활용소재연구부
3한국지질자원연구원 자원활용소재연구부
1Minerals and Materials Processing Division Korea Institute of Geoscience, Mining and Materials
2Minerals and Materials Processing Division Korea Institute of Geoscience, Mining and Materials
3Minerals and Materials Processing Division Korea Institute of Geoscience, Mining and Materials
2한국지질자원연구원 자원활용소재연구부
3한국지질자원연구원 자원활용소재연구부
1Minerals and Materials Processing Division Korea Institute of Geoscience, Mining and Materials
2Minerals and Materials Processing Division Korea Institute of Geoscience, Mining and Materials
3Minerals and Materials Processing Division Korea Institute of Geoscience, Mining and Materials
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Abstract
Ag-Cu alloy nano powders were fabricated by the electrical explosion of Cu-plated Ag wires. Ag wires of 0.2mm diameter was electroplated to final diameter of 0.220 mm and 0.307 mm which correspond to Ag-27Cu and Ag-68Cu alloy. The explosion product consisted of equilibrium phases of alpha-Ag and beta-Cu. The particle size of Ag-Cu nano powders were 44 nm and 70 nm for 0.220 mm and 0.307 mm wires, respectively. The Ag-Cu nano powders contained less Cu than average value due to higher sublimation energy compared to that of Ag. As a result, micron-sized spherical particles formed from liquid droplets contained higher Cu content.
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