Abstract
High entropy alloys (HEAs) feature several unique properties in terms of physical, mechanical, and chemical compared to conventional alloys. As a functional material, some HEAs show superior soft magnetic characteristics as well as superior mechanical properties. This paper reported the magnetic properties of FeCoNi(BxAl1-x)0.1Si0.1 (x = 0, 0.2, 0.4, 0.5, 0.9, 1.0). The HEAs were characterized under optical microscopic and X-ray diffraction. The morphology of HEA samples shows some lamellar patterns that were produced during the solidification process. The X-ray diffraction result of the B0.4 and B1.0 shows the existence of Fe2B intermetallic phase and primary face-centered cubic FCC simple solid solution phase and a minor body-centered cubic BCC phase that forms due to the entropy effect. A Vibrating Sample Magnetometer (VSM) was used to study the magnetic properties of the sample at different boron content. The result obtained in this study will be used as a preliminary study for the utilization of FeCoNi(BxAl1-x)0.1Si0.1 as electromagnetic wave absorbance material.
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Financial support from Malaysian of Higher Education (MoHE) grant no. (FRGS/1/2019/TK05/UIAM/03/3) and Asian Office of Aerospace R&D (AOARD) grant no. (SP 121-112-0112).
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Saupi, A.N.M., Nordin, N.H., Abdullah, N.A., Azami, M.H. (2023). Magnetic Properties of High Entropy Alloys as Electromagnetic Wave Absorber. In: Maleque, M.A., Ahmad Azhar, A.Z., Sarifuddin, N., Syed Shaharuddin, S.I., Mohd Ali, A., Abdul Halim, N.F.H. (eds) Proceeding of 5th International Conference on Advances in Manufacturing and Materials Engineering. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-19-9509-5_82
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