Abstract
In this work, we aimed to manufacture and characterize carbon-fiber–polymer–metal-particles magnetic composites with a sandwichlike structure. The composites were manufactured by stacking the plain woven carbon fiber prepregs (or carbon-fiber-reinforced polymers (CFRP)) and layers of the FeSi particles. The layer of FeSi particles were formed by evenly distributing the FeSi powder on the surface of carbon fiber prepreg sheet. The composites were found to have better magnetic properties when the magnetic field were applied in in-plane (0°) rather than in through-thickness (90°), and the highest saturation magnetization of 149.71 A.m2/kg was achieved. The best inductance and permeability of 12.2 μH and 13.08 were achieved. The composites obviously exhibited mechanical strength that was good but lower than that of CFRP composite. The lowest tensile strength and lowest flexural strength were 306.98 MPa and 855.53 MPa, which correspond to 39.58% and 59.83% of the tensile strength and flexural strength of CFRP (four layers), respectively.
Highlights
In recent years, carbon-fiber-reinforced polymers (CFRP) composites have continued to emerge in industrial and commercial applications in areas such as aerospace, aircraft, automobiles, transportation, construction, etc. [1,2,3,4,5,6,7] Nowadays, as the interest in those composites continue to grow and they are generally not magnetic materials, it is believed that the application of those composites can be extended if they are magnetically conductive [8,9]
It is evident that the incorporation of particles in CFRP has increased the density
The epoxy resins played the role of the matrix for both the carbon fibers and the particles
Summary
Carbon-fiber-reinforced polymers (CFRP) composites have continued to emerge in industrial and commercial applications in areas such as aerospace, aircraft, automobiles, transportation, construction, etc. [1,2,3,4,5,6,7] Nowadays, as the interest in those composites continue to grow and they are generally not magnetic materials, it is believed that the application of those composites can be extended if they are magnetically conductive [8,9]. Carbon-fiber-reinforced polymers (CFRP) composites have continued to emerge in industrial and commercial applications in areas such as aerospace, aircraft, automobiles, transportation, construction, etc. Carbon fibers, owing to their high specific strength, high specific stiffness, good fatigue strength and low density, are commonly used as reinforcing materials in polymer [10] and metal matrix composites [11]. Different properties of the CFRP composites and their machinability have been extensively studied by various investigators [1,12]. The incorporation of other materials to enhance the properties of CFRP composites depending on intended applications have been reported in previous studies. Tomohiro et al [13] studied the effect of modifying the epoxy matrix using cup-stacked carbon nanotubes (CSCNTs) on the mechanical properties of unidirectional CFRP and quasi-isotropic CFRP composites. The authors demonstrated the improvement of mechanical stiffness, strength, interlaminar
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