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Effect of cyclic sintering process for NdFeB magnet on microstructure and magnetic properties
- Authors
- Kim, Jin Woo; Song, Sun Yong; Kim, Young Do
- Issue Date
- Nov-2012
- Publisher
- Elsevier BV
- Keywords
- Rare earth magnet; Cyclic sintering; Coercivity; Nd-rich phase; Temperature stability
- Citation
- Journal of Alloys and Compounds, v.540, pp 141 - 144
- Pages
- 4
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- Journal of Alloys and Compounds
- Volume
- 540
- Start Page
- 141
- End Page
- 144
- ISSN
- 0925-8388
1873-4669
- Abstract
- The fabrication of Nd13Dy2Fe79B6 (at.%) sintered magnets through a cyclic sintering process was demonstrated. The coercivity and temperature coefficient of the cyclic sintered specimens were 2252.8 kA/m and -0.47018%degrees C, respectively. It is believed that the Nd-rich phases have effectively penetrated into the boundary between the Nd2Fe14B grains under the cyclic sintering process. Consequently, the microstructures and shape of the Nd-rich phase were controlled by the cyclic sintering process, resulting in high coercivity and temperature stability.
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