ArticleScientific reports2026
Performance enhancement of carbonyl iron-based magnetorheological elastomers through iron-doped multi-walled carbon nanotubes reinforcement.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
This paper aims to explore the potential of iron-doped multi-walled carbon nanotubes (Fe-MWCNTs) as additives for enhancing the performance of magnetorheological elastomers (MREs). We investigated carbonyl iron particles (CIPs)-based MREs reinforced with Fe-MWCNTs at doping contents of 10 wt% and 50 wt%. The fabricated samples were prepared using silicone rubber as the matrix and characterized using transmission electron microscopy (TEM), high-resolution field emission scanning electron microscopy (HR-FESEM), X-ray diffraction (XRD), vibrating sample magnetometer (VSM), and rheometer. The results showed that the addition of Fe-MWCNTs enhanced the stiffness and damping performance of MREs, as the increase in storage modulus and loss modulus, respectively, especially at a current of 3 A (0.472 Tesla). Furthermore, the MRE incorporating 50 wt% Fe-MWCNTs exhibited the highest MR effect (234%), followed by the 10 wt% Fe-MWCNTs sample (220%) and the conventional CIPs-based MRE (191%). Using the conventional CIPs-based MRE (191%) as the reference, the results indicate that Fe-MWCNT doping at 50 wt% enhances the MR effect by approximately 22.5%. Our work clarifies that Fe-MWCNTs have promising potential in improving the properties of MRE for future applications in vibration-damping systems in various fields, including automotive industries, earthquake resistance, and vibration isolation.
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