Thermal and electrical conductivity of nanocarbon/ferrite/epoxy hybrid composites
This study investigates thermal conductivity and electrical resistivity in nanocarbon/ferrite/epoxy hybrid composites prepared by controlled dispersion. Ferrite fillers were characterized by XRD, TEM, FTIR, and TG/DTA/DTG to assess structural, morphological, vibrational, and thermal properties. XRD confirmed crystalline spinel ferrite phases, while FTIR identified characteristic metal-oxygen vibrations at tetrahedral and octahedral sites. TEM revealed nanosized, strongly agglomerated particles averaging about 23 nm. Thermal analyses confirmed filler stability, with major mass losses below 400-500 °C. Adding 5 wt.% GNPs increased thermal conductivity up to 0.7 W/(m × K), depending on composition and temperature. Conduction mechanisms depended on nanocarbon geometry. Loading and composition influenced results, and synergistic effects enhanced phonon transport.
Authors
- Julia Mazurenko (ORCID: https://orcid.org/0000-0002-8446-5280)
- O. S. Yakovenko (ORCID: https://orcid.org/0000-0001-6229-5017)
- Larysa Kaykan (ORCID: https://orcid.org/0000-0002-4885-510X)
- L. Yu. Matzui (ORCID: https://orcid.org/0000-0002-8611-437X)
- B.І. Rachiy (ORCID: https://orcid.org/0000-0001-8895-0737)
- Yulia Perets (ORCID: https://orcid.org/0000-0003-0567-770X)
- Kateryna Dubyk (ORCID: https://orcid.org/0000-0003-3021-6681)
- Pavlo Lishchuk (ORCID: https://orcid.org/0000-0002-4665-1648)
- Л. Л. Вовченко (ORCID: https://orcid.org/0000-0002-0783-4310)
- Dmytro Zaiats (ORCID: https://orcid.org/0009-0005-8469-1332)
Institutions
- Taras Shevchenko National University of Kyiv (UA)
- G.V. Kurdyumov Institute for Metal Physics (UA)
- Vasyl Stefanyk Carpathian National University (UA)
Publication Details
- Journal
- Molecular Crystals and Liquid Crystals
- Published
- 2026-09-10
- DOI
- https://doi.org/10.1080/15421406.2026.2729738
- Primary Topic
- Thermal properties of materials
- Type
- article
- Field-Weighted Citation Impact
- 0.00