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

Figure 3

Fabrication of bio-based nanocomposites by using the hand layup method: (a) applying wax, (b) placing the woven mat, and (c) closing the mould.

(a)

(b)

(c)