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- W1989888955 abstract "Structural, metallographic and magnetic properties of Y2Co17−xNix and Sm2Co17−xNix have been established to ascertain the effect of nickel on the permanent magnet properties of Sm2Co17. The results indicate that the 2 : 17 compositions exist in the concentration limits 0<x<8 in Y2Co17−xNix and 0<x<6 in Sm2Co17−xNix. Metallographic examination of these materials confirms the absence of secondary phases. Magnetic properties were examined in the temperature range 4.2–1200 K in external fields up to 21 kOe. The ordering temperatures of Sm2Co17−xNix and Y2Co17−xNix decrease with increasing concentration of nickel. Examination of saturation magnetization results indicates a smooth variation with the addition of nickel. The easy direction of magnetization at room temperature was established for the samples by examining the x-ray diffraction patterns of aligned powders. The results show that the axial anisotropy exhibited by Sm2Co17 is retained with the substitution of nickel. For a few nickel-rich compositions of Sm2Co17−xNix, thermomagnetic hysteresis effects were observed. The results are interpreted on the basis of a strong competition between the exchange field and the crystal field interaction. Calculations were performed to support this interpretation." @default.
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- W1989888955 date "1978-03-01" @default.
- W1989888955 modified "2023-09-28" @default.
- W1989888955 title "Effect of substitution of nickel on the magnetic properties of Sm<sub>2</sub>Co<sub>17</sub>" @default.
- W1989888955 cites W1978576013 @default.
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- W1989888955 doi "https://doi.org/10.1063/1.324737" @default.
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