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<p>Advancements in nanotechnology have enabled the incorporation of nanomaterials across various industries, including automotive, aerospace, and maritime, through the development of nanocomposites. These nanocomposites exhibit multifunctional properties, notably the nanofiller acts as a load-carrying bearing in the composite. This experimental study aims to fabricate, characterise, and evaluate the mechanical properties of graphene oxide (GO) nanofiller-reinforced epoxy polymer/E-fiberglass nanocomposites. Graphene oxide nanoparticles are used as nanofillers in epoxy polymer composites reinforced with E-glass fibres. The vacuum bagging technique was employed to achieve proper laminate compaction by reducing voids within the laminate during the fabrication process. The small volume fraction (vol%) of GO nanoparticles at 2, 4, 6, and 8 vol% was used with an epoxy polymer matrix. The characterisation and mechanical properties were conducted to meet the marine strength requirements, as recommended by the ASTM, Indian Register of Shipping (IRClass), and the Safety of Life at Sea Code (SOLAS-IMO). The results show that the specimen with 6 vol% graphene oxide nanoparticles had a high tensile strength of 432.72&#xa0;MPa, which is 54.2% higher than that of the baseline specimen (0 vol% graphene oxide) at 197.99&#xa0;MPa. These findings indicate that new graphene oxide nanoparticle composite materials may exhibit improved mechanical properties and enhanced durability in marine environments.</p> Graphical abstract <p></p>

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Graphene oxide nanofiller-reinforced polymer nanocomposites for marine applications: fabrication and mechanical testing

  • 期刊论文

  • 发表日期：

    2025年10月25日

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  • Dauson Nyonyi,
  • Varaha Siva Prasad Ventala,
  • Swapna Peravali

摘要

Advancements in nanotechnology have enabled the incorporation of nanomaterials across various industries, including automotive, aerospace, and maritime, through the development of nanocomposites. These nanocomposites exhibit multifunctional properties, notably the nanofiller acts as a load-carrying bearing in the composite. This experimental study aims to fabricate, characterise, and evaluate the mechanical properties of graphene oxide (GO) nanofiller-reinforced epoxy polymer/E-fiberglass nanocomposites. Graphene oxide nanoparticles are used as nanofillers in epoxy polymer composites reinforced with E-glass fibres. The vacuum bagging technique was employed to achieve proper laminate compaction by reducing voids within the laminate during the fabrication process. The small volume fraction (vol%) of GO nanoparticles at 2, 4, 6, and 8 vol% was used with an epoxy polymer matrix. The characterisation and mechanical properties were conducted to meet the marine strength requirements, as recommended by the ASTM, Indian Register of Shipping (IRClass), and the Safety of Life at Sea Code (SOLAS-IMO). The results show that the specimen with 6 vol% graphene oxide nanoparticles had a high tensile strength of 432.72 MPa, which is 54.2% higher than that of the baseline specimen (0 vol% graphene oxide) at 197.99 MPa. These findings indicate that new graphene oxide nanoparticle composite materials may exhibit improved mechanical properties and enhanced durability in marine environments.

Graphical abstract