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- 온간성형법으로 제조된 Fe 분말의 성형특성
- 김세훈, 이영중, 이제성, 김영도
- Compaction Properties of Fe Powder Fabricated by Warm Compaction
- Se-Hoon Kim, Young-Jung Lee, Jea-Sung Lee, Young-Do Kim
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Journal of Korean Powder Metallurgy Institute 2007;14(3):185-189
DOI: https://doi.org/10.4150/KPMI.2007.14.3.185
1한양대학교 신소재공학과
2한양대학교 신소재공학과
3한양대학교 신소재공학과
4한양대학교 신소재공학과
1Division of Materials Science and Engineering, Hanyang University
2Division of Materials Science and Engineering, Hanyang University
3Division of Materials Science and Engineering, Hanyang University
4Division of Materials Science and Engineering, Hanyang University
2한양대학교 신소재공학과
3한양대학교 신소재공학과
4한양대학교 신소재공학과
1Division of Materials Science and Engineering, Hanyang University
2Division of Materials Science and Engineering, Hanyang University
3Division of Materials Science and Engineering, Hanyang University
4Division of Materials Science and Engineering, Hanyang University
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Abstract
Various approaches have been proposed to increase the green density. Warm compaction method has been used for the reduction of residual stress, the improvement of magnetic properties and the higher densities. In this work, the effect of warm compaction on green density of Fe powder was investigated. After ball-milling of Fe oxide powder for 30 hours, Fe oxide powder was reduced through the hydrogen reduction process. The pure Fe powder and polymer binder were mixed by 3-D tubular mixer. And then the mixed powder was warm-compacted with various compaction pressure and binder contents. The green density of specimen was added polyvinyl binder was higher than any other specimens.
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