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Effect of Fe content on microwave absorbing properties of Nd2Co17 alloy
Preview AbstractThe Nd2Co17-xFex (X= 0.0, 0.1, 0.3, 0.6) powder were prepared by arc smelting and high energy ball milling. The structure and morphology of the power were investigated by x-ray diffraction (XRD) and scanning electron microscopy (SEM). The magnetic properties were measured by vibrating sample magnetometer (VSM) at indoor temperature. The electromagnetic parameters were carried out by vector network analyzer (VNA). The XRD results shows that the prepared powders maintain the Nd2Co17 phase. And the minimum reflectivity frequency shifted to lower region with the increase of Fe content. The minimum reflectivity frequency shifted towards lower frequency region with the thickness increased. The minimum reflectivity value of Nd2Co16.4Fe0.6 alloy reached about -16.2 dB at 2.8 GHz with the matched thickness of 2.8 mm.