Journal
COMPOSITES SCIENCE AND TECHNOLOGY
Volume 216, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2021.109046
Keywords
A. Nanocomposites; A. polymer-matrix composites (PMCs); A. Graphene and other 2D-materials; B. Interface; B. Mechanical properties
Categories
Funding
- Australian Research Council (ARC) Discovery Project [DP180101955]
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The study fabricated a nacre-inspired GO-PMMA nanocomposite with excellent mechanical properties and stability, providing a convenient method for producing novel nanocomposites with improved mechanical properties.
Strength and toughness have been often considered as mutually exclusive properties in many synthetic materials. Natural materials like nacre have overcome this conflict by optimizing internal architecture at the nanoscale. In this work, nacre-inspired graphene oxide (GO)-poly (methyl methacrylate) (PMMA) nanocomposite is fabricated, which has a brick and mortar microstructure and enhanced interfacial strength. It has a tensile strength of 261 +/- 7 MPa and toughness of 5 +/- 0.2 MJ m(-3), which are 55% and 42% greater than conventional GO/PMMA nanocomposites. In addition, the nanocomposite has excellent stability in wet environments. This work, therefore, provides a facile method to fabricate novel nanocomposites with improved mechanical properties.
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