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Preparation and Characterization of Epoxy/Alumina Nanocomposites

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Nano-alumina (Al2O3, 30 nm) particles were employed to reinforce and toughen epoxy resin. The effects of Al2O3 nanoparticles on the mechanical properties of the composites were investigated by tensile and impact tests. It shows that the mechanical properties of epoxy nanocomposites have been improved significantly. For the prepared nanocomposite with 3.0 wt.% of Al2O3 addition, the tensile strength, elongation at break and impact strength reached 74.83 MPa, 10.63% and 13.79 kJ/m2, and were improved by 82.60%, 33.38% and 63.58%, respectively, compared with those of pure epoxy resin. The epoxy/Al2O3 nanocomposites also show good dielectric properties and excellent thermal stability under nitrogen atmosphere. Investigation of fractured surface of the obtained nanocomposites was carried out to study the dispersion of nanoarchitectonics Al2O3 with scanning electron microscopy.
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Keywords: Epoxy Resin; Mechanical Properties; Nano-Alumina; Nanoarchitectonics; Toughening

Document Type: Research Article

Affiliations: 1: National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Department of Polymer Materials and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin, 300130, China 2: Research Center for Structural Materials (RCSM), National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba 305-0047, Japan 3: National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Department of Polymer Materials and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin, 300130, China

Publication date: May 1, 2020

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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