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Nanocomposite Sm2Co17/Co permanent magnets by mechanical alloying : The 40th annual conference on magnetism and magnetic materials (1996)

Chen, S. K. ; Tsai, J. L. ; Chin, T. S.

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 79 (1996), S. 5964-5966

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: Mechanically alloyed magnets SmCox (x=6.0–11.0) have been prepared using starting materials of commercial SmCo5 and Co powders. X-ray diffraction data indicate that the equilibrium Sm2Co17 phase can be achieved in a nanocomposite Sm2Co17/Co system at x=8.5–11.0, while a Sm2Co17/SmCo5 structure occurs at x=6.0–8.0. The best magnetic properties obtained at x=10.0 are as follows: (BH)max=10.2 MGOe, Br=9.4 kG, Hc=4.0 kOe, and S=0.82. Wohlfarth's remanence analysis indicates that the high remanence can be attributed to the intergranular interaction between neighboring cobalt and Sm2Co17 grains. © 1996 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.362121

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