Thermal spray coatings for electromagnetic wave absorption and interference shielding: a review and future challenges
Journal article
Faisal, N.H., Ahmed, R., Sellami, N., Prathuru, A., Njuguna, J., Venturi, F., Hussain, T., Nezhad, H.Y., Kumar, N., Goel, S., Upadhyaya, H., Joshi, S., Muhammad-Sukki, F., Prabhu, R., Mallick, T., Whittow, W. and Kamnis, S. (2022). Thermal spray coatings for electromagnetic wave absorption and interference shielding: a review and future challenges. Advanced Engineering Materials. https://doi.org/10.1002/adem.202200171
Authors | Faisal, N.H., Ahmed, R., Sellami, N., Prathuru, A., Njuguna, J., Venturi, F., Hussain, T., Nezhad, H.Y., Kumar, N., Goel, S., Upadhyaya, H., Joshi, S., Muhammad-Sukki, F., Prabhu, R., Mallick, T., Whittow, W. and Kamnis, S. |
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Abstract | This review paper aims to consolidate scattered literature on thermally sprayed coatings with non-ionising electromagnetic (EM) wave absorption and shielding over specific wavelengths potentially useful in diverse applications (e.g., microwave to millimeter wave, solar selective, photocatalytic, interference shielding, thermal barrier-heat/emissivity). Materials EM properties such as electric permittivity, magnetic permeability, electrical conductivity, and dielectric loss are critical due to which a material can respond to absorbed, reflected, transmitted, or may excite surface electromagnetic waves at frequencies typical of electromagnetic radiations. Thermal spraying is a standard industrial practice used for depositing coatings where the sprayed layer is formed by successive impact of fully or partially molten droplets/particles of a material (used in the form of powder or wire) exposed to high or moderate temperatures and velocities. However, as an emerging novel application of an existing thermal spray techniques, some special considerations are warranted for targeted development involving relevant characterisation. Key potential research areas of development relating to material selection and coating fabrication strategies and their impact on existing practices in the field are identified. The study shows a research gap in the feedstock materials design and doping (including hollow and yolk-shelled structure types) and their complex selection covered by thermally sprayed coatings that can be critical to advancing applications exploiting their electromagnetic properties |
Keywords | electromagnetic wave; radiation; thermal spray coatings; absorption; solar; photocatalytic; heat; emissivity; interference; shielding. |
Year | 2022 |
Journal | Advanced Engineering Materials |
Publisher | Wiley |
ISSN | 1438-1656 |
Digital Object Identifier (DOI) | https://doi.org/10.1002/adem.202200171 |
Web address (URL) | https://onlinelibrary.wiley.com/journal/15272648 |
Publication dates | |
25 Mar 2022 | |
Publication process dates | |
Accepted | 21 Mar 2022 |
Deposited | 23 Mar 2022 |
Publisher's version | License File Access Level Open |
Accepted author manuscript | License File Access Level Controlled |
https://openresearch.lsbu.ac.uk/item/8z8v7
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Publisher's version
Adv Eng Mater - 2022 - Faisal - Thermal Spray Coatings for Electromagnetic Wave Absorption and Interference Shielding A.pdf | ||
License: CC BY 4.0 | ||
File access level: Open |
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