Magnetic Properties of Borided Fe-Ni Alloys

International Journal of Mechanical Engineering

© 2019 by SSRG - IJME Journal

Volume 6 Issue 7

Year of Publication : 2019

Authors : N. Ucar, C. Ekinci, A. Calik , M. S. Karakas

10.14445/23488360/IJME-V6I7P105

How to Cite?

N. Ucar, C. Ekinci, A. Calik , M. S. Karakas, "Magnetic Properties of Borided Fe-Ni Alloys," SSRG International Journal of Mechanical Engineering, vol. 6,  no. 7, pp. 27-31, 2019. Crossref, https://doi.org/10.14445/23488360/IJME-V6I7P105

Abstract:

Fe-Ni binary alloys containing 70, 80, and 90 wt% Ni were borided in a solid medium at 1273 K for 2 to 6 h and at temperatures of 1173, 1273, and 1373 K for 5 h. The surfaces of the borided alloys were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDS). Magnetic properties were investigated using vibrating sample magnetometry (VSM). X-ray studies of the surfaces revealed the presence of Ni4B3 and Ni6Si2B phases in the boride layer. A decrease in saturation magnetization was observed with increasing boriding temperature and time due to boride/borosilicide formation at the surfaces. A rapid decrease in Ms was observed with increasing Ni content in the alloy, primarily due to dilution.

Keywords:

magnetic saturation, boriding, boride layer, boride phases

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