Journal of Advanced Materials and Technologies

Journal of Advanced Materials and Technologies

Investigation the Radar Absorption Behavior of Polymer Matrix Composites with Doped Barium Hexaferrite Particles

Authors
Seyyed Salman Seyyed Afghahi 1
Mojtaba Jafarian 2
Mohsen Salehi 2
1 Department of Materials sciencend Engineering, Imam Hossein University, Tehran, Iran.
2 Young Researchers and Elites club, Science and Research Branch, Islamic Azad University, Tehran, Iran.
10.30501/jamt.2017.70336
Abstract
In this paper with the aim of investigating the radar absorption behavior of doped barium hexaferrite, composites contain this powder with different weight percent in resin epoxy matrix were prepared. X-ray diffraction analysis (XRD), Vibration sample magnetometer (VSM) and Vector network analysis (VNA) were performed in order to evaluate phase, magnetic properties and microwave absorption properties. According to the results, barium hexaferrite with negligibility amount of non-magnetic hematite phase were was formed. VSM results, representing the reduction of saturation magnetization (Ms) and coercive force (Hc) values in all samples, and the lowest value of saturation magnetization (18.14 emu/g) and coercive force (118 Oe) corresponded to the sample that contain tin ion. According to the VNA results, the maximum absorption is achieved when 50 wt.% of powder is used in resin matrix which was related to the sample with the composition of BaZn0.6Zr0.3Sn0.3Fe10.8O19 at the frequency of 11.1 GHz with -16.3 dB.
Keywords
Barium Hexaferrite
Magnetic properties
Radar waves absorption
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Journal of Advanced Materials and Technologies
Volume 5, Issue 3
Autumn 2016
Pages 17-23

  • Receive Date 10 December 2015
  • Revise Date 22 October 2016
  • Accept Date 21 November 2016