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- 연질 Cu 분말-가스분무 Ni계 벌크 비정질 복합분말의 방전플라즈마 소결에 관한 연구
- 김진천, 김용진, 김병기, 김지순
- Spark Plasma Sintering of the Ductile Cu-Gas-atomized Ni Bulk Metallic Glass Composite Powders
- Jin-Chun Kim, Yong-Jin Kim, Byoung-Kee Kim, Ji-Soon Kim
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Journal of Korean Powder Metallurgy Institute 2006;13(5):351-359
DOI: https://doi.org/10.4150/KPMI.2006.13.5.351
1울산대학교 첨단소재공학부
2한국기계연구원 분말재료연구센터
3한국기계연구원 분말재료연구센터
4울산대학교 첨단소재공학부
1School of Materials Science & Engineering, University of Ulsan
2Powder Materials Research Center, Korea Institute of Machinery & Materials
3Powder Materials Research Center, Korea Institute of Machinery & Materials
4School of Materials Science & Engineering, University of Ulsan
2한국기계연구원 분말재료연구센터
3한국기계연구원 분말재료연구센터
4울산대학교 첨단소재공학부
1School of Materials Science & Engineering, University of Ulsan
2Powder Materials Research Center, Korea Institute of Machinery & Materials
3Powder Materials Research Center, Korea Institute of Machinery & Materials
4School of Materials Science & Engineering, University of Ulsan
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Abstract
Ni based(Ni_57Zr_20Ti_18Si_2Sn_3) bulk metallic glass(BMG) powders were produced by a gas atomization process, and ductile Cu powders were mixed using a spray drying process. The Ni-based amorphous powder and Cu mixed Ni composite powders were compacted by a spark plasma sintering (SPS) processes into cylindrical shape. The relative density varied with the used SPS mold materials such as graphite, hardened steel and WC-Co hard metal. The relative density increased from 87% to 98% when the sintering temperature increased up to 460°C in the WC-Co hard metal mold.
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