Researchers develop aircraft nano stealth coatings

TEHRAN, Aug. 10 (MNA) – Iranian researchers have used nanoparticles to develop stealth coatings to be used on the body of an aircraft.

Karim Osouli Bostanabad, the project manager, said the aim of the research was to use magnetic iron oxide nanoparticles and carbon fibers in the synthesis of a radar-absorbent coating.

“The method used in the research for the synthesis of a radar-absorbent coating was simple and cost-efficient; furthermore, the synthesized coating has a high efficiency in absorption of radar waves,” he said.

According to him, magnetic iron oxide nanoparticles were used to create thin layers on the carbon fiber substrates. Using nanoparticles instead of microparticles have considerably increased their absorption level.  

“In this project, the magnetic nanoparticles were first synthesized through a chemical method,” Osouli said. “Then, the nanoparticles were coated on the activated carbon fibers through an electrophoretic method.”

“The parameters of synthesis process such as temperature and concentration and the parameters of coating such as frequency and sedimentation time have been studied for optimizing the process,” he said, adding vector network analyzer (VNA) was used to measure the amount of absorption of electromagnetic waves.

According to the results, most casualties of this nanocomposite coating were reported at 7.1mm, equal to -11 dB at a 11.4 GHz and 10/37 GHz frequency.

Results of the research have been published in Materials and Manufacturing Processes, vol. 31, 2016, pp. 1351-1356.


News Code 118809


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