The Effect of CoFe₂O₄ Weight Fraction on the Properties of Magnetic CoFe₂O₄/Unsaturated Polyester Nanocomposites Synthesized by Hand Lay-up Method

Author(s):

Rihab Jabbar*, Awham M. Hameed and Sabah H. Sabeeh   Pages 778 - 789 ( 12 )

Abstract:

Objective: In this study, Cobalt ferrite (CoFe₂O₄) nanopowders were prepared by the sol-gel precipitation method.

Methods: The prepared ferrite powders were sintered at 1000°C for 2 hours. CoFe₂O₄/unsaturated polyester nanocomposites were prepared with different weight fraction of CoFe₂O₄. The X-ray diffraction results showed that the crystallite size (D) of CoFe₂O₄ was found to be 20.68 nm. Fouriertransform infrared spectroscopy (FTIR) spectra confirmed the spinal structure of CoFe₂O₄.

Results: The saturation magnetization (Ms) and coercivity (Hc) of all the composites were found to increase with increasing ferrite content.

Conclusion: Dielectric constant values were found to increase with increasing the concentration of ferrite.

Keywords:

Nanocomposite, magnetic properties, cobalt ferrite, Sol-gel method, unsaturated polyester resin, organic polymers.

Affiliation:

Department of Applied Sciences, University of Technology, Baghdad, Department of Applied Sciences, University of Technology, Baghdad, Department of Applied Sciences, University of Technology, Baghdad

Graphical Abstract:

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