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- 가스분무 Fe계 비정질 분말과 유체 내 전기선 폭발에 의한 나노 Cu 분말의 복합화와 방전플라즈마 소결
- 김진천, 구왕회, 유주식
- Composite and Spark Plasma Sintering of the Atomized Fe Amorphous Powders and Wire-exploded Cu Nanopowder in Liquid
- Jin-Chun Kim, Wang-Heo Goo, Joo-Sik Yoo
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Journal of Korean Powder Metallurgy Institute 2008;15(4):285-291
DOI: https://doi.org/10.4150/KPMI.2008.15.4.285
1울산대학교 첨단소재공학부
2울산대학교 첨단소재공학부
3울산대학교 첨단소재공학부
1School of Materials Science & Engineering, University of Ulsan
2School of Materials Science & Engineering, University of Ulsan
3School of Materials Science & Engineering, University of Ulsan
2울산대학교 첨단소재공학부
3울산대학교 첨단소재공학부
1School of Materials Science & Engineering, University of Ulsan
2School of Materials Science & Engineering, University of Ulsan
3School of Materials Science & Engineering, University of Ulsan
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Abstract
Fe based (Fe_68.2C_5.9Si_3.5B_6.7P_9.6Cr_2.1Mo_2.0Al_2.0) amorphous powder were produced by a gas atomization process, and then ductile Cu powder fabricated by the electric explosion of wire(EEW) were mixed in the liquid (methanol) consecutively. The Fe-based amorphous - nanometallic Cu composite powders were compacted by a spark plasma sintering (SPS) processes. The nano-sized Cu powders of sim;nm200 produced by EEW in the methanol were mixed and well coated with the atomized Fe amorphous powders through the simple drying process on the hot plate. The relative density of the compacts obtained by the SPS showed over 98% and its hardness was also found to reach over 1100 Hv.
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