Abstract
To reduce the sensitivity of grain growth to sintering temperature for improving property consistency of sintered Nd-Fe-B magnets, combined additions of Zr and Nb were investigated. It was found that when Zr content was increased to 0.07 at. pct, abnormal grain growth was effectively hindered even when the sintering temperature reached 1100°C. With combined additions of 0.07 at. pct Zr and 0.07 at. pct Nb, the sensitivity of grain growth to sintering temperature was greatly reduced. The magnets sintered at 1100°C showed higher property consistency than the magnets containing no Zr and Nb. In addition, the magnetic properties of magnets were also improved.
| Original language | English |
|---|---|
| Pages (from-to) | 629-632 |
| Number of pages | 4 |
| Journal | Journal of Materials Science and Technology |
| Volume | 25 |
| Issue number | 5 |
| State | Published - Sep 2009 |
| Externally published | Yes |
Keywords
- Consistency
- Magnetic properties
- Sintered Nd-Fe-B magnet
- Sintering temperature
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