Effect of Nickel Addition on the Magnetic and Microstructural Properties of Cu-Al-Fe Alloy


The Ni addition on the magnetic properties of a Cu-10%Al-5%Fe (wt.%) alloy was studied. The alloy was produced by an arc melting method, and its magnetic properties such as coercivity and magnetization saturation were measured using a physical property measuring system (PPMS) instrument. In addition, structural properties of the alloys were characterized by the use of X-ray diffraction (XRD) and scanning electron microscopy (SEM) analyses. From SEM observations, two distinct phases were found to be in the microstructure consisting of (α + γ2) eutectoid and kappa (κI, κII, and κIII) phases. After the addition of the Ni element in the Cu-10%Al-5%Fe, we observed a decrement for the secondary κII phase. The magnetization curves, M-H, exhibited a clear ferromagnetic behavior. Present results indicate soft magnetic properties for the investigated alloy.

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The financial support of Amasya University project is gratefully acknowledged (ProjectNos. FMB-BAP 19-0405).

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Aldirmaz, E., Güler, M. & Güler, E. Effect of Nickel Addition on the Magnetic and Microstructural Properties of Cu-Al-Fe Alloy. J Supercond Nov Magn 33, 755–759 (2020). https://doi.org/10.1007/s10948-019-05214-5

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  • CuAlFe
  • Eutectoid
  • Kappa (κ)
  • Coercivity
  • Hysteresis loop