The role of MnO2/polyaniline/Y-type barium hexaferrite (Al2Y, Mg2Y, and Ni2Y) nanoparticles in the improvement of the microwave absorption properties of polyester coatings

2021 ◽  
Vol 45 (6) ◽  
pp. 3252-3262
Author(s):  
Sina Rahmani ◽  
Mir Saeed Seyed Dorraji ◽  
Seyyedeh Fatemeh Hosseini ◽  
Alireza Amani-Ghadim ◽  
Mohammad Hossein Rasoulifard ◽  
...  
Keyword(s):  
Microwave Absorption ◽  
Barium Hexaferrite ◽  
Absorption Properties ◽  
Microwave Absorption Properties ◽  
Effective Absorption

The prepared nanocomposite can be suggested as a promising microwave absorbent with the highest effective absorption at the lowest thickness.

scholarly journals Bimetallic zeolitic imidazolate frameworks-derived porous carbon-based materials with efficient synergistic microwave absorption properties: the role of calcining temperature

RSC Advances ◽  
2017 ◽  
Vol 7 (73) ◽  
pp. 46436-46444 ◽  
Author(s):  
Suyun Wang ◽  
Xiang Ke ◽  
Suting Zhong ◽  
Yaru Lai ◽  
Danlin Qian ◽  
...  
Keyword(s):  
Microwave Absorption ◽  
Porous Carbon ◽  
Zeolitic Imidazolate Frameworks ◽  
Absorption Properties ◽  
Microwave Absorption Properties ◽  
Graphitized Carbon ◽  
Microwave Absorbing ◽  
Carbon Based

The porous and graphitized carbon-based materials prepared by sacrificing template and in situ reduction show an excellent microwave absorbing performance.

scholarly journals Electromagnetic and microwave absorption properties of iron pentacarbonyl pyrolysis-synthesized carbonyl iron fibers

RSC Advances ◽  
2020 ◽  
Vol 10 (40) ◽  
pp. 23702-23711
Author(s):  
Chaoqun Ge ◽  
Liuying Wang ◽  
Gu Liu ◽  
Kejun Xu ◽  
Long Wang ◽  
...  
Keyword(s):  
Microwave Absorption ◽  
Carbonyl Iron ◽  
Iron Pentacarbonyl ◽  
Absorption Properties ◽  
Microwave Absorption Properties ◽  
Absorption Bandwidth ◽  
Effective Absorption

Carbonyl iron fibers synthesized at 300 °C exhibit a minimum RL of −58.1 dB and an effective absorption bandwidth of 5.66 GHz.

scholarly journals Microwave Absorption Properties of Double-Layer RADAR Absorbing Materials Based on Doped Barium Hexaferrite/TiO2/Conducting Carbon Black

2014 ◽  
Vol 2014 ◽  
pp. 1-5 ◽  
Author(s):  
Sukanta Das ◽  
G. C. Nayak ◽  
S. K. Sahu ◽  
P. C. Routray ◽  
A. K. Roy ◽  
...  
Keyword(s):  
Titanium Dioxide ◽  
Carbon Black ◽  
Microwave Absorption ◽  
Double Layer ◽  
Reflection Loss ◽  
Barium Hexaferrite ◽  
Conducting Layer ◽  
Absorption Properties ◽  
Microwave Absorption Properties ◽  
Absorbing Materials

In this report, we demonstrate microwave absorption properties of barium hexaferrite, doped barium hexaferrite, titanium dioxide and conducting carbon black based RADAR absorbing material for stealth application. Double-layer absorbers are prepared with a top layer consisting of 30% hexaferrite and 10% titanium dioxide while the bottom layer composed of 30% hexaferrite and 10% conducting carbon black, embedded in chloroprene matrix. The top and bottom layers are prepared as impedance matching layer and conducting layer, respectively, with a total thickness of 2 mm. Microwave absorption properties of all the composites were analyzed in X-band region. Maximum reflection loss of −32 dB at 10.64 GHz was observed for barium hexaferrite based double-layer absorber whereas for doped barium hexaferrite based absorber the reflection loss was found to be −29.56 dB at 11.7 GHz. A consistence reflection loss value (>−24 dB) was observed for doped barium hexaferrite based RADAR absorbing materials within the entire bandwidth.

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