Improved mechanical performance of bisphenol-A graphene-oxide nano-composites

Bansal, Shikha; Singh, Amrinder Pal; Kumar, Anil; Kumar, Surinder; Kumar, Navin; Goswamy, J.

doi:10.1177/0021998317741952

Cited by 39 publications

(21 citation statements)

References 37 publications

(45 reference statements)

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“…It can be observed that a large amount of bamboo fillers are distributed randomly in the epoxy matrix. The superior GNPs nano-fillers interact in the gaps of micro bamboo filler for enhancing the bonding strength and improving the properties of the developed composite material [32][33][34][35]. The shape and size of bamboo filler and GNPs are prominently visible from the SEM analysis of the fractured surface of the hybrid sample.…”

Section: Micro Bamboo and Gnps Filler Surface Morphologymentioning

confidence: 99%

Thermomechanical behavior of graphene nanoplatelets and bamboo micro filler incorporated epoxy hybrid composites

Gouda¹,

Bhowmik²,

Das³

2020

Mater. Res. Express

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The present study is focused on the development of micro bamboo filler/epoxy hybrid composite with the incorporation of varied weight percentage of graphene nanoplatelet (GNPs). To check the effect of inclusion of dual fillers on the structural x-ray diffraction (XRD), morphological analysis by Scanning electron microscope (SEM) and thermomechanical analysis (TMA) are carried out. The micro bamboo and GNPs filler in the epoxy polymer are incorporated to eradicate the problem associated with natural and synthetic fibers alignment, delamination, and anisotropic property in the thermoset composite materials. Results revealed that with the inclusion of graphene nanoplatelet with bamboo filler in epoxy composite improves the synergetic effect, which in turn increases the tensile, flexural, loss modulus and storage modulus of developed hybrid composite material. SEM analysis confirmed the proper distribution of fillers and their presence from XRD analysis. All fabricated hybrid composite displayed improved thermal conductivity value and a marginal increase in the corrosion rate. The overall result predicts that the improvement is quite better compared to neat or solo bamboo filler based epoxy composite. The improvement is ascribed due to the proper interfacial bonding or cross-link between micro bamboo filler/epoxy polymer with the addition of GNPs. Developed filler based hybrid composite may be utilized for the application of thermal interface material, circuit board, electronic packaging, etc.

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Section: Micro Bamboo and Gnps Filler Surface Morphologymentioning

confidence: 99%

Thermomechanical behavior of graphene nanoplatelets and bamboo micro filler incorporated epoxy hybrid composites

Gouda¹,

Bhowmik²,

Das³

2020

Mater. Res. Express

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“…The presence of nanomaterials significantly affects the degree of thermoset curing, formation chemistry, movability of the polymer chain, and the order for the polymer chain and crystallinity in the composite matrix [26]. A polymeric graphene nanocomposite was developed by the solution mixing technique to increase the elastic modulus by 24%, which would be significant in the automotive sector [27,28]. Nanomaterials, fillers, and additives could address some basic and major issues for the revolutionary development of NBCs in the near future.…”

Section: Introductionmentioning

confidence: 99%

Potential Natural Fiber Polymeric Nanobiocomposites: A Review

2020

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Composite materials reinforced with biofibers and nanomaterials are becoming considerably popular, especially for their light weight, strength, exceptional stiffness, flexural rigidity, damping property, longevity, corrosion, biodegradability, antibacterial, and fire-resistant properties. Beside the traditional thermoplastic and thermosetting polymers, nanoparticles are also receiving attention in terms of their potential to improve the functionality and mechanical performances of biocomposites. These remarkable characteristics have made nanobiocomposite materials convenient to apply in aerospace, mechanical, construction, automotive, marine, medical, packaging, and furniture industries, through providing environmental sustainability. Nanoparticles (TiO2, carbon nanotube, rGO, ZnO, and SiO2) are easily compatible with other ingredients (matrix polymer and biofibers) and can thus form nanobiocomposites. Nanobiocomposites are exhibiting a higher market volume with the expansion of new technology and green approaches for utilizing biofibers. The performances of nanobiocomposites depend on the manufacturing processes, types of biofibers used, and the matrix polymer (resin). An overview of different natural fibers (vegetable/plants), nanomaterials, biocomposites, nanobiocomposites, and manufacturing methods are discussed in the context of potential application in this review.

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“…The results are comparable to other synthetic epoxy/GO systems. For example, epoxy composites containing 0.25 wt.% GO, improved in tensile strength by 22% [46] and 28% [48]. In another study, the tensile modulus of epoxy composites with 0.3 wt.% GO increased by 33% [27].…”

Section: Mechanical Propertiesmentioning

confidence: 94%

Effect of Graphene Oxide as a Reinforcement in a Bio-Epoxy Composite

et al. 2021

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Graphene oxide (GO) has gained interest within the materials research community. The presence of functional groups on GO offers exceptional bonding capabilities and improved performance in lightweight polymer composites. A literature review on the tensile and flexural mechanical properties of synthetic epoxy/GO composites was conducted that showed differences from one study to another, which may be attributed to the oxidation level of the prepared GO. Herein, GO was synthesized from oxidation of graphite flakes using the modified Hummers method, while bio-epoxy/GO composites (0.1, 0.2, 0.3 and 0.6 wt.% GO) were prepared using a solution mixing route. The GO was characterized using Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM) and transmission electron microscope (TEM) analysis. The thermal properties of composites were assessed using thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). FTIR results confirmed oxidation of graphite was successful. SEM showed differences in fractured surfaces, which implies that GO modified the bio-epoxy polymer to some extent. Addition of 0.3 wt.% GO filler was determined to be an optimum amount as it enhanced the tensile strength, tensile modulus, flexural strength and flexural modulus by 23, 35, 17 and 31%, respectively, compared to pure bio-epoxy. Improvements in strength were achieved with considerably lower loadings than traditional fillers. Compared to the bio-epoxy, the 0.6 wt.% GO composite had the highest thermal stability and a slightly higher (positive) glass transition temperature (Tg) was increased by 3.5 °C, relative to the pristine bio-epoxy (0 wt.% GO).

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Improved mechanical performance of bisphenol-A graphene-oxide nano-composites

Cited by 39 publications

References 37 publications

Thermomechanical behavior of graphene nanoplatelets and bamboo micro filler incorporated epoxy hybrid composites

Thermomechanical behavior of graphene nanoplatelets and bamboo micro filler incorporated epoxy hybrid composites

Potential Natural Fiber Polymeric Nanobiocomposites: A Review

Effect of Graphene Oxide as a Reinforcement in a Bio-Epoxy Composite

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