Effect of Dysprosium Content on the Magnetic Properties of Nanocrystalline (Pr0.25Nd0.75)10-xDyxFe82Co2B6 Alloys

He Wei Ding; Chun Xiang Cui; Ji Bing Sun

doi:10.4028/www.scientific.net/MSF.789.28

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HomeMaterials Science ForumMaterials Science Forum Vol. 789Effect of Dysprosium Content on the Magnetic...

Effect of Dysprosium Content on the Magnetic Properties of Nanocrystalline (Pr_0.25Nd_0.75)_10-xDy_xFe₈₂Co₂B₆ Alloys

Abstract:

(Pr_0.25Nd_0.75)_10-xDy_xFe₈₂Co₂B₆(x=0~0.3) ribbons were prepared by melt spinning at 25m/s and subsequent annealing. The effect of Dy content on the microstructure and magnetic properties of the ribbons has been investigated by X-ray diffractometer (XRD), scanning electronic microscope (SEM) and vibrating sample magnetometer (VSM). The magnetic properties related to the Dy content were characterized. Intrinsic coercivity of 598kA/m, remanence of 0.58T, and the maximum energy product (BH)_max of 43kJ/m³ were achieved in (Pr_0.25Nd_0.75)_9.8Dy_0.2Fe₈₂Co₂B₆ after annealing at 700°C for 10 minutes.