Design of Bi-Layered Strong Microwave Absorber Based on PolymerFly Ash Cenosphere Composite With A Data-Driven Approach

Bora, PJ and Mahanta, B and Kishore, K and Ramamurthy, PC (2022) Design of Bi-Layered Strong Microwave Absorber Based on PolymerFly Ash Cenosphere Composite With A Data-Driven Approach. In: 2022 IEEE International Conference on Emerging Electronics, 11 -14 Dec 2022, Bangalore.

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Abstract

In this work, a strong microwave absorption characteristic viz., minimum reflection loss (RL) -69.5 dB (8.2-12.4 GHz absorption bandwidth i.e., RL< -10 dB) is evaluated for the bi-layered polyvinyl butyral (PVB)-polyaniline (PANI) coated fly ash cenosphere (FAC) composite. Materials data-driven approach is used to model and optimize the associated parameters (based on an experimental evaluation), and hence to realize the best RL. The outstanding RL performance is achieved for the 10 wt% PANI-FAC loaded PVB (top layer, thickness 1.5 mm) and 6 wt% PANI-FAC loaded PVB (a bottom layer, thickness 2 mm).

Item Type:	Conference Paper
Publication:	2022 IEEE International Conference on Emerging Electronics, ICEE 2022
Publisher:	Institute of Electrical and Electronics Engineers Inc.
Additional Information:	The copyright for this article belongs to Institute of Electrical and Electronics Engineers Inc.
Department/Centre:	Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited:	28 Jun 2023 06:06
Last Modified:	28 Jun 2023 06:06
URI:	https://eprints.iisc.ac.in/id/eprint/82193

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