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Published in: Journal of Coatings Technology and Research 6/2021

30-09-2021

Influence of iron and nickel on the microwave absorption and other functional properties of nanographite-based nanocomposite paints

Authors: Anjali Prakash, Avanish K. Srivastava, Mritunjay Kumar Pandey, Ramamoorthy Nagarajan, Amitava Bhattacharyya

Published in: Journal of Coatings Technology and Research | Issue 6/2021

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Abstract

In the present study, we address the combined response of iron (Fe) and nickel (Ni) metal powders on the microwave absorption properties of nanographite (NG) particles in the 8–18 GHz frequency band. NG was synthesized from graphite via high-energy planetary ball mill (wet milling). Similarly, hybrid Fe-Ni-NG particles in two individual (25:25:50 and 37.5:37.5:25) ratios were synthesized and characterized for studying their structural and morphological properties. Further, the samples were dispersed in epoxy-based aero-grade paints to analyze their particle size and rheological properties. Thus, produced nanocomposite paints were coated on aluminum sheets for analyzing their functional properties including impedance measurement and microwaves absorbency measurements. The hybrid nanoparticle coatings exhibited a reflection loss of − 21 dB for 25:25:50 (Fe-Ni-NG) sample at 18 GHz and nearly − 18 dB for 37.5:37.5:25 (Fe-Ni-NG) sample for a wider frequency range from 14 to 18 GHz with a coating thickness of 1.8 mm. These advanced nanoparticles can be used for the development of flexible coatings in various defense applications including stealth aircrafts and low observable technologies in the future.

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Literature
4.
go back to reference Das, S, Nayak, GC, Sahu, SK, Routray, PC, Roy, AK, Baskey, H, “Titania-Coated Magnetite and Ni-Ferrite Nanocomposite-Based RADAR Absorbing Materials for Camouflaging Application.” Polym. Plast. Technol. Eng., 54 (14) 1483–1493 (2015) CrossRef Das, S, Nayak, GC, Sahu, SK, Routray, PC, Roy, AK, Baskey, H, “Titania-Coated Magnetite and Ni-Ferrite Nanocomposite-Based RADAR Absorbing Materials for Camouflaging Application.” Polym. Plast. Technol. Eng., 54 (14) 1483–1493 (2015) CrossRef
21.
Metadata
Title
Influence of iron and nickel on the microwave absorption and other functional properties of nanographite-based nanocomposite paints
Authors
Anjali Prakash
Avanish K. Srivastava
Mritunjay Kumar Pandey
Ramamoorthy Nagarajan
Amitava Bhattacharyya
Publication date
30-09-2021
Publisher
Springer US
Published in
Journal of Coatings Technology and Research / Issue 6/2021
Print ISSN: 1547-0091
Electronic ISSN: 1935-3804
DOI
https://doi.org/10.1007/s11998-021-00531-8

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