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초록
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.
키워드
Nd-Fe-B magnets; Isothermal sintering; Non-isothermal sintering; Phase transformation
- 제목
- (Nd, Dy)-Fe-B 분말의 소결특성 및 상변화 연구
- 제목 (타언어)
- Sintering Behavior and Phase Analysis of (Nd, Dy)-Fe-B Powder
- 저자
- 김세훈; 김진우; 김영도
- 발행일
- 2010-04
- 저널명
- 한국분말야금학회지
- 권
- 17
- 호
- 2
- 페이지
- 154 ~ 159