온간성형법으로 제조된 Fe 분말 코어의 자성특성open accessMagnetic Properties of Fe Powder Core Fabricated by Warm Compaction
- Other Titles
- Magnetic Properties of Fe Powder Core Fabricated by Warm Compaction
- Authors
- 김세훈; 조태선; 박민서; 김영도
- Issue Date
- Oct-2007
- Publisher
- 한국분말야금학회
- Keywords
- Warm compaction; Magnetic property; Nanostructured Fe powder; Polymer binder; Warm compaction; Magnetic property; Nanostructured Fe powder; Polymer binder
- Citation
- 한국분말야금학회지, v.14, no.5, pp.298 - 302
- Indexed
- KCI
- Journal Title
- 한국분말야금학회지
- Volume
- 14
- Number
- 5
- Start Page
- 298
- End Page
- 302
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/179426
- ISSN
- 1225-7591
- Abstract
- In recent years, a rapid increase in demands for the soft magnetic composite parts has been created and it has been tried to improve their properties by various processing methods, alloying elements and compaction parameters. 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 effects of warm compaction and polymer binder on magnetic properties of Fe powder core were investigated. The sintering powder, Fe oxide, was ball-milled for 30 hours. And then ball-milled Fe oxide powder was reduced through hydrogen reduction process. The hydrogen reduced Fe powder and polymer binder were mixed by 3-D turbular mixer. And then the mixed powder was warm-compacted. The magnetic properties such as core loss and permeability were measured by B-H curve analyzer.
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