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(Nd, Dy)-Fe-B 분말의 소결특성 및 상변화 연구Sintering Behavior and Phase Analysis of (Nd, Dy)-Fe-B Powder
- Other Titles
- Sintering Behavior and Phase Analysis of (Nd, Dy)-Fe-B Powder
- Issue Date
- Apr-2010
- Publisher
- 한국분말야금학회
- Keywords
- Nd-Fe-B magnets; Isothermal sintering; Non-isothermal sintering; Phase transformation
- Citation
- 한국분말야금학회지, v.17, no.2, pp.154 - 159
- Indexed
- KCI
- Journal Title
- 한국분말야금학회지
- Volume
- 17
- Number
- 2
- Start Page
- 154
- End Page
- 159
- ISSN
- 1225-7591
- Abstract
- In this study, the sintering behavior of (Nd, Dy)-Fe-B powder which fabricated by strip-casting was investigated with various sintering temperatures and holding times. The relative density over 99% could be obtained by both sintering at 1070oC for 1h and sintering at 970oC for 20h. The grain growth was observed in sintered specimen at 1050oC compared to one at 970oC. The isothermal sintering process below 1000oC led to suppress grain growth showing the improved magnetic properties. The phase transformation of Nd-rich was confirmed by X-ray diffraction pattern.
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Collections - 서울 공과대학 > 서울 신소재공학부 > 1. Journal Articles
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Related Researcher
- Kim, Young Do
- COLLEGE OF ENGINEERING (SCHOOL OF MATERIALS SCIENCE AND ENGINEERING)