Texture inducement during HDDR processing of NdFeB

IEEE Transactions on Magnetics

Volumn 38, Issue 5 I, 2002, Pages 2958-2960

  Gutfleisch, Oliver ^a   Drazic, Goran ^b   Mishima, Chisato ^c   Honkura, Yoshinobu ^c  

^a IFW DRESDEN   (Germany)

^b JO EF STEFAN INSTITUTE   (Slovenia)

^c AICHI STEEL CORPORATION   (Japan)

Author keywords

Electron microscopy; Hydrogenation disproportionation desorption recombination (HDDR); NdFeB permanent magnets; Texture

Indexed keywords

CRYSTALLOGRAPHY; DESORPTION; ELECTRON MICROSCOPY; HYDROGENATION; MAGNETIC ANISOTROPY; TEXTURES;

HYDROGENATION DISPROPORTIONATION DESORPTION RECOMBINATION (HDDR);

PERMANENT MAGNETS;

EID: 0036762717     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2002.803078     Document Type: Article

References (15)

1. T. Takeshita and R. Nakayama, "Magnetic properties and microstructure of the NdFeB magnet powder produced by hydrogen treatment," in Proc. 10th Int. Workshop RE Magnets and Their Applications, M. Shinjo, Ed., Kyoto, Japan, 1989, pp. 551-557.
2. P.J. McGuiness, X.J. Zhang, X.J. Yin, and I.R. Harris, "Hydrogenation, disproportionation and desorption (HDD): an effective processing route for Nd-Fe-B-type magnets," J. Less-Common Metals, vol. 158, pp. 359-365, 1990.
3. T. Takeshita and R. Nakayama, "Nd-Fe-B anisotropic magnet powders by the HDDR process," in Proc. 12th Int. Workshop RE Magnets and Their Applications, vol. 193, Canberra, Australia, 1992, pp. 259-261.
4. C. Mishima, N. Hamada, H. Mitarai, and Y. Honkura, "Magnetic properties of NdFeB magnet powder produced by the d-HDDR method," in Proc. 16th Int. Workshop RE Magnets and Their Applications, Sendal, Japan, 2000, pp. 873-881.
5. O. Gutfleisch, "Controlling the properties of high density permanent magnetic materials," J. Phys. D: Appl. Phys., vol. 33, pp. R157-R172, 2000.
6. 14 B-based anisotropic magnets," Acta Mater., vol. 47, pp. 875-885, 1999.
7. 5.6 powder using a modified hydrogenation-disproportionation-desorption-recombination process," J. Magn. Magn. Mater, vol. 210, pp. 5-9, 2000.
8. 14 B-type magnets produced by HDDR," IEEE Trans. Magn., vol. 37, pp. 2471-2473, 2001.
9. H. Nakamura, K. Karo, S. Sugimoto, M. Okada, and M. Homma, "Enhancement of coercivity in high remanence HDDR Nd-Fe-B powders," IEEE Trans. Magn., vol. 35, pp. 3274-3276, 1999.
10. C. Mishima, N. Hamada, H. Mitarai, and Y. Honkura, "Development of a Co-free NdFeB auisotropic bonded magnet produced from the d-HDDR processed powder," IEEE Trans. Magn., vol. 37, pp. 2467-2469, 2001.
11. S. Sugimoto, N. Koike, D. Book, T. Kagotani, M. Okada, K. Inomata, and M. Homma, "An improved HDDR treatment for the production of anisotropic Nd-Fe-B ternary powders," J. Alloys Comp., vol. 330-332, pp. 892-896, 2002.
12. S. Sugimoto, O. Guffleisch, and I.R. Harris, "Resistivity measurements on HDDR phenomena in Nd-Fe-B alloys with Co, Ga, Zr additions," J. Alloys Comp., vol. 260, pp. 284-291, 1997.
13. G. Yi, J.N. Chapman, D.N. Brown, and I.R. Harris, "Intermediate lamellae phase in lightly disproportionated NdFeB-type alloys," J. Magn. Magn. Mater., to be published.
14. 8 alloy by means of electron microscopy," J. Magn. Magn. Mater., vol. 147, pp. 320-330, 1995.
15. R.N. Faria, B.E. Davies, D.N. Brown, and I.R. Harris, "Microstructural and magnetic studies of cast and annealed Nd and PrFeCoBZr alloys and HDDR materials," J. Alloys Comp., vol. 296, pp. 223-228, 2000.