Fabrication and mechanical properties of hybrid fibre-reinforced polymer hybrid composite with graphene nanoplatelets and multiwalled carbon nanotubes

Figures & data

Table 1. Physical properties of various fibers as mentioned by Shibata et al. (2005).

Type of fibre	Tensile strength (MPa)	Young’s modulus (GPa)	Density (g/cm^3)
Bagasse	290	17	1.25
Bamboo	140–230	11–17	0.60–1.10
Banana	500	12	1.35
Coir	175	4–6	1.20
Cotton	287–597	5.50–12.60	1.50–1.60
Flax	345–1035	27.60	1.50
Hemp	690	70	1.48
Jute	393–773	26.50	1.30
Kenaf	930	53	–
Sisal	511–635	9.40–22	1.50
E-glass	3400	72	2.5

Figure 1. Jutton fibre mat.

Table 2. Fibre mat construction.

Name	Content
Jutton	50% Jute + 50% Cotton

Figure 2. HRTEM pictograph of (a) Graphene nanoplatelets and (b) MWCNTs.

Figure 3. Schematic diagram of vacuum bagging method.

Figure 4. Flat specimen for tensile test.

Figure 5. Absorbance versus wavelength of incident light.

Table 3. Peak absorbance.

S. No	No. of days	Peak absorbance
1	1st day	1.3904
2	After 15 days	1.0608
3	After one month	0.9834

Figure 6. Hardness test @ various breaking points of specimen.

Table 4. Digital Rockwell Hardness test (HRC values) for surface modification specimen.

Samples	Digital Rockwell Hardness test (HRC values)
	Without surface modification	With surface modification
Base	298.47	–
0.25%Gr + 0.25%MWCNT	342.64	502.63
0.5%Gr + 0.5%MWCNT	398.26	587.19
1%Gr + 1%MWCNT	422.34	634.28

Figure 7. Hardness values without & with Surface modification.

Figure 8. Tensile strength with & without surface modification.

Shibata, S., Cao, Y., & Fukumoto, I. (2005). Press forming of short natural fiber-reinforced biodegradable resin: Effects of fiber volume and length on flexural properties. Polymer Testing, 24(8), 1005–1011. https://doi.org/10.1016/j.polymertesting.2005.07.012

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Data availability statement

The authors confirm that the data supporting the findings of this study are available within the article. Raw data that support the findings of this study are available from the corresponding author V. Srinivas upon reasonable request.