Preparation and experimental investigations on the mechanical behavior of hybrid polymer nanocomposite with boron carbide and graphene nanoplatelets

Figures & data

Table 1. Physical properties of various fibers.

Type of fiber	Tensile strength (MPa)	Young’s modulus (GPa)	Elongation at break (%)	Density (g/cm^3)
Megass	292	17.5	–	1.26
Willow	221	11.5–18.2	–	0.61–1.12
Musa Paradisiac	501	13.	5.93	2.32
Coir	178	4.4–8.1	30.5	1.21
Gossypium	564	5.52–13.63	8.1–9.2	1.41–1.62
Linum	1039	28.62	2.72–3.32	1.52
Cannabis	690	73.1	1.61	1.47
Corchorus	392–778	26.52	1.51–1.82	1.20
Hibiscus Cannabinus	935	53.5	1.62	–
Agave Sisalana	521–643	9.41–23.1	2.1–2.51	1.61
E-glass	3412	73.4	–	2.51

Figure 1. 50:50 jute and cotton fiber (jutton fibre).

Figure 2. FESEM images of (a) graphene nano platelets and (b) B4C nano materials.

Figure 3. Experimental setup.

Figure 4. A: 1%GNPs + B4C; B: 0.5%GNPs + B4C; C: 0.25%GNPs + B4C; D: Base sample.

Figure 5. Absorbance (vs.) no. of days.

Table 2. Peak absorbance.

S. no	No. of days	Peak absorbance (a.u)
1	1st Day	11.345
2	After 15 days	8.845
3	After 1 month	8.403

Table 3. Digital rockwell hardness test (HRC values) for surface modification specimen.

Sample name	Digital rockwell hardness test (HRC values) @ near breaking points				Pictorial representation
	Without surface modification		With surface modification
	(a)	(b)	(a)	(b)
	Above	Below	Above	Below
S1: Base	306.2	325.4	NA
	318.3	241.1
	268.8	297.5
	364.9	212.6
	313.4	311.2
S2: B4C	384.5	514.7	518.5	514.7
	420.5	320.7	520.5	520.7
	325.1	419.0	525.1	519.0
	216.1	311.9	516.1	511.9
	405.0	210.5	505.0	510.5
S3: GNPs	329.5	305.8	521.7	518.1
	339.6	419.7	512.2	519.9
	384.4	327.9	514.0	527.0
	362.3	439.2	514.4	539.5
	321.1	358.3	521.6	518.0
S4: B4C + GNPs	346.6	399.5	543.5	529.5
	448.8	323.8	542.6	541.5
	343.4	448.6	545.4	548.3
	449.2	345.8	549.2	543.0
	346.4	354.7	541.8	533.2

Figure 6. Hardness values without and with surface modification.

Figure 7. Tensile strength with and without surface modification.

Data availability

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.