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Mechanical Engineering

Synergetic effect of incorporating graphene, CNT and hybrid nanoparticles on the mechanical properties of glass fiber reinforced epoxy laminated composites

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Article: 2232604 | Received 14 Sep 2022, Accepted 29 Jun 2023, Published online: 05 Jul 2023

Figures & data

Figure 1. Load v/s deflection for various nanocomposite configurations.

Figure 1. Load v/s deflection for various nanocomposite configurations.

Figure 2. Flexural strength of the fabricated specimens.

Figure 2. Flexural strength of the fabricated specimens.

Figure 3. Flexural modulus of the fabricated specimens.

Figure 3. Flexural modulus of the fabricated specimens.

Figure 4. Strain at peak for the fabricated specimens.

Figure 4. Strain at peak for the fabricated specimens.

Table 1. Details of hardness, density and voids present in the studied specimens

Figure 5. Photographs showing the damage mechanism in (a) neat epoxy composite and (b) CNT/GNP reinforced hybrid composite sample.

Figure 5. Photographs showing the damage mechanism in (a) neat epoxy composite and (b) CNT/GNP reinforced hybrid composite sample.

Figure 6. SEM images of CNT/GNP reinforced hybrid composite illustrating (a) fiber breaking phenomenon and (b) the presence of GNPs over the glass fiber.

Figure 6. SEM images of CNT/GNP reinforced hybrid composite illustrating (a) fiber breaking phenomenon and (b) the presence of GNPs over the glass fiber.

Figure 7. Variation in water absorption with time for the studied samples.

Figure 7. Variation in water absorption with time for the studied samples.

Table 2. Weight gain post water absorption test for the fabricated samples

Table 3. Comparison of the elastic modulus of hybrid CNTs/GNPs reinforced glass fiber epoxy nanocomposite using Halpin-Tsai model and experimental measurements

Table 4. Material and strength properties of individual constituents (Kilikevičius et al., Citation2021; Rouway et al., Citation2021)

Figure 8. Elastic modulus of hybrid glass fiber reinforced epoxy nanocomposite for various weight fraction of CNTs and GNPs.

Figure 8. Elastic modulus of hybrid glass fiber reinforced epoxy nanocomposite for various weight fraction of CNTs and GNPs.

Figure 9. Elastic modulus of hybrid glass fiber reinforced epoxy nanocomposite for various aspect ratio of CNTs and GNPs.

Figure 9. Elastic modulus of hybrid glass fiber reinforced epoxy nanocomposite for various aspect ratio of CNTs and GNPs.

Figure 10. Tensile strength of hybrid glass fiber reinforced epoxy nanocomposite for various weight fraction of CNTs and GNPs.

Figure 10. Tensile strength of hybrid glass fiber reinforced epoxy nanocomposite for various weight fraction of CNTs and GNPs.