DOI QR코드

DOI QR Code

Texture Study in HDDR-treated Nd-Fe-B-type Particles

  • Published : 2005.12.01

Abstract

Effects of the disproportionating hydrogen pressure and alloy composition on the texture in the HDDR-treated Nd-Fe-B particles were examined using the $Nd_{12.6}Fe_{81.4}B_6$ and $Nd_{12.6}Fe_{68.7}B_6Co_{11.0}Ga_{1.0}Zr_{0.l}$ alloys. Disproportionation kinetics of the $Nd_2Fe_{14}B$ phase in the Nd-Fe-B alloy was retarded significantly by the addition of Co, Ga and Zr. The retarded disproportionation kinetics of the $Nd_2Fe_{14}B$ phase ensured a wider processing win­dow in terms of disproportionating hydrogen pressure for achieving a texture in the HDDR-treated Nd-Fe-B alloy particles.

Keywords

References

  1. T. Takeshita and Nakayama, Proc. 10th Int. Workshop on Rare Earth Magnets and their Applications, Kyoto, Japan, 551 (1989)
  2. P. J. McGuiness, X. J. Zhang, X. J. Yin, and I. R. Harris, J. Less-Common Metals 158, 379 (1990)
  3. T. Takeshita and Nakayama, Proc. 12th Int. Workshop on Rare Earth Magnets and their Applications, Canberra, Australia, 670 (1992)
  4. I. R. Harris, Proc. 12th Int. Workshop on Rare Earth Magnets and their Applications, Canberra, Australia, 347 (1992)
  5. T. Takeshita, J. Alloys and Compounds 231, 51 (1995)
  6. S. Hirosawa, M. Uehara, S. Mino, N. lshigaki, T. Timoda, J. Appl. Phys. 81(8), 4821 (1997) https://doi.org/10.1063/1.364190
  7. C. Mishima, N. Hamada, H. Mitarai, Y. Honkura, Proc. 16th Int, Workshop on Rare Earth Magnets and their Applications, Sendai, Japan, 873 (2000)
  8. A. Fujita and I. R. Harris, IEEE Trans. Magn. 30(2), 860 (1994)
  9. K. H. J. Buschow, IEEE Trans. Magn. 30(2), 565 (1994)
  10. H. Nakamura, S. Sugimoto, T. Tanaka, M. Okada, and M. Homma, J. Alloys and Compunds 222, 136 (1995)
  11. C. L. Short, P. Guegan, O. Gutfleisch, O. M. Ragg, and I. R. harris, IEEE Trans. Magn. 32(5), 4368 (1996)

Cited by

  1. Texture in die-upset Nd-Fe-B magnet produced using HDDR-treated particles vol.4, pp.12, 2007, https://doi.org/10.1002/pssc.200777150