[Retracted] Influence of Epoxy/Nanosilica on Mechanical Performance of Hemp/Kevlar Fiber Reinforced Hybrid Composite with an Ultrasonic Frequency

Table 1

Mechanical properties of reinforcements and matrix.

Sl. No.	Properties	Hemp fiber	Kevlar fiber	Epoxy resin
1	Hemi cellulose (%)	18.6-23.2	—	—
2	Cellulose (%)	71.4-75.2	—	—
3	Lignin (%)	3.7-5.7	—	—
4	Density (g/cm^3)	1.47	1.5-2.25	1.16
5	Tensile strength (MPa)	690-850	62000	8-19
6	Young’s modulus (GPa)	68-70	70-72	0.58
7	Elongation (%)	2-4.1	2.8-3.3	1.6