Jiangsu University

Guanglei Chen

Xudong Ren

Yinqun Hua

Yunxia Ye

Zhao Yuan

A preparation method for an internal laser-induced carbonization layer of aramid fiber resin matrix composite material is provided. The surface of sample of aramid fiber resin matrix composite material is wiped with anhydrous ethanol; the sample of aramid fiber resin matrix composite material was placed on the laser sample platform, and the defocusing amount between the laser focus and the upper surface of the sample was negative. Infrared picosecond laser was used to scan the sample of aramid fiber resin matrix composite material for several times. Since the laser absorption rate of the surface epoxy resin was very low, most of the laser energy passed through the epoxy resin layer and directly acted on the internal aramid fiber. The laser carbonized the internal aramid fiber without damaging the surface resin, and formed a carbonized line along the laser scanning path to realize the conductivity of aramid fiber resin matrix composite.

Growing community of inventors

Zhenjiang, China

Guanglei Chen