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Influence of hematite nanorods on the mechanical properties of epoxy resin

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Authors
Bogdanovic, Gordana
Kovač, Tijana S.
Džunuzović, Enis S.
Spirkova, Milena
Ahrenkiel, Scott Phillip
Nedeljković, Jovan
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Abstract
The mechanical properties of nanocomposites obtained by incorporation of fairly uniform hematite nanorods (alpha-Fe2O3 NRs) into epoxy resin were studied as a function of the content of the inorganic phase. A thorough microstructural characterization of the alpha-Fe2O3 NRs and the nanocomposites was performed using transmission electron microscopy (TEM) and atomic force microscopy (AFM). The TEM measurements revealed rod-like morphology of the nanofiller with a uniform size distribution (8.5 nmx170 nm, diameterxlength). High-magnification TEM and AFM measurements indicated agglomeration of alpha-Fe2O3 NRs embedded in the epoxy resin. Stress at break, strain at break, elastic modulus and tensile toughness of the nanocomposites were compared with the data obtained for pure epoxy resin. Significant influence of nanofiller on the mechanical properties of epoxy resin, as well as on the glass transition temperature, could be noticed for samples with low contents of the inorganic phase (up to... 1 wt. %).

Keywords:
nanocomposites / thermosetting resin / mechanical measurements / differential scanning calorimetry
Source:
Journal of the Serbian Chemical Society, 2017, 82, 4, 437-447
Projects:
  • Materials of Reduced Dimensions for Efficient Light Harvesting and Energy conversion (RS-45020)
  • Czech Science Foundation [13-06700S]

DOI: 10.2298/JSC160707017B

ISSN: 0352-5139

WoS: 000404614300009

Scopus: 2-s2.0-85019356342
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URI
http://vinar.vin.bg.ac.rs/handle/123456789/1625
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