New sintered high temperature Sm-Co based permanent magnet materials

IEEE Transactions on Magnetics

Volumn 35, Issue 5 PART 2, 1999, Pages 3325-3327

  Liu, Sam ^a   Yang, Jie ^a   Doyle, George ^a   Edward Kuhl G ^a  

^a UNIVERSITY OF DAYTON   (United States)

Author keywords

High temperature applications; Rare earth permanent magnets; Sm co based permanent magnets; Temperature coefficient of coercivity

Indexed keywords

COERCIVE FORCE; COMPOSITION EFFECTS; DEMAGNETIZATION; ELECTRIC POWER SYSTEMS; HIGH TEMPERATURE APPLICATIONS; HIGH TEMPERATURE EFFECTS; SAMARIUM ALLOYS; SINTERING;

ADVANCED POWER SYSTEMS;

PERMANENT MAGNETS;

EID: 0033184360     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/20.800513     Document Type: Article

References (10)

1. A, E. Ray and K, J. Strnat.Easy directions of magnetism in ternary Rz(Co,Fe)t7 phase, IEEE Trans, Magn., vol. 8, 1972, p.516.
2. A. E. Ray and S, Liu.Recent progress in 2:17-type permanent magnets, J. Materials Engineering and Performance, vol. 1, 1992, ppl83-191.
3. S. Liu, H.F. Mildrum, and K. J. Strnat.Demagnetization curves of four rare-earth-cobalt magnet types at temperatures 300-1000 K, J. Appl. Phys. vol.53, 1982, pp. 2383-2385.
4. S. Liu and E. P. Hoffman.Application-oriented characterization of Smj(Co,Fe,Cu,Zr)i7 permanent magnets, IEEE Trans. Magn, vol. 32, 1996, pp. 5091-5093.
5. B. M, Ma, Y. L. Liang, J. Patet, D. Scott, and C, O. Bounds.The effect of Fe content on the temperature dependent magnetic properties of Sm(Co,Fe,Cu,Zr)z and SmCo5 sintered magnets at 450°C, IEEE Trans. Magn., vol. 32, 1996, pp. 4377-4379.
6. S. Liu, G. P, Hoffman, and J, R. Brown.Long-term aging of Smï(Co,Fe,Cu,Zr)i7 permanent magnets at 300 and 400°C, IEEE, Trans. Magn., vol. 33, 1997, pp. 3859-3801.
7. C, H, Chen, M, S. Walmer, M. H. Walmer, S. Liu, E. Kühl, and G,Simon.Smî(Co,Fe,Cu,Zr)i7 magnets for use at temperature £40Q°C, J. Appl. Phys., vol. 83,1998, pp. 6706-6708.
8. A. Kirn.High temperature stability of SmTM magnets, J. Appl. Phys., vol. 83,1998, pp.6715-6717.
9. J. F. Liu, Y. Zhang, Y. Ding, D. Dimltrov, and G. C. Hadjipanayis, Rare earth permanent magnets for high temperature applications, Proc. IS' Intl. Workshop on KEPM, 1998, pp.607-622.
10. J. F. Liu, T. Chui, D. Dimitrov, and G, C. Haiijipanayis.Abnormal temperature dependence of intrinsic coercivity in Sm(Co,Fe,Cu,Zr)z powder materials, in press, [II] S. Liu and G. E. Kühl, 'Temperature coefficient of rare earth permanent magnets. in this issue.