ArticlePolymers2025
Investigating 3D-Printed Carbon-Carbonyl Iron Composites for Electromagnetic Applications.
Article in Polymers, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Impedance-Matched Iron-Added Polymeric Composite Film Incorporated with Iron Nanowire for Electromagnetic Absorption Application.Polymers · 2025Article
- Study on the High-Temperature Microwave Absorption Performance and Mechanism of SiC Nanowire-Reinforced Porous SiMaterials (Basel, Switzerland) · 2025Article
- Design of I-WP Gradient Metamaterial Broadband Electromagnetic Absorber Based on Additive Manufacturing.Polymers · 2025Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The electromagnetic properties of 3D-printed carbon-carbonyl iron powder (CIP) composites are studied in the radio (20 Hz-1 MHz) and microwave (26-37 GHz) frequency ranges. Relatively high electrical conductivities (about several hundred S/m), typical for these structures in the radio frequency range, are observed. The temperature dependence of electrical conductivity is described by Arrhenius' law, with distinct activation energies above and below a critical temperature, attributed to electron transport through various defects. The microwave properties of the investigated structures are particularly noteworthy. For instance, a 2 mm-plate with 20 wt.% magnetic inclusions achieves 52% absorption at 35 GHz. The microwave dielectric properties of the composite structures strongly depend on the concentration of carbonyl iron particles, with the highest values of the imaginary part of complex dielectric permittivity observed in carbon structures containing 20 wt.% CIP. Moreover, carbon composites with the highest CIP concentration exhibited interesting resonance states, demonstrating significant potential for Salisbury screen applications.
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