Surface Treatment of Epoxy/Al Composite by Dielectric Barrier Discharge (DBD) at Atmospheric Pressure

In this study, the surface of epoxy/Al composite is treated using a dielectric barrier discharge (DBD) plasma in presence air. The epoxy was prepared by mixing 0.1g and 0.3 g aluminum powder with resin its hardener ratio 3:1. as layer (DB) studied at an applied frequency 8 kHz three exposure times 0, 2, 4 min. UV degradation process has been UV-Visible spectroscopy, for these polymers. absorbance intensity region (200–320 nm) high. level decreased after 2 minutes increased min time. Before to plasma, 0.1 Al had optical band gap 3.72eV, while it 3.6 3.42 eV time, respectively. For Al, before which 3.2 2.78 min, This due increase conductivity Al. Also, treatment, physical changes happened on their surfaces well chemical have test AFM technique. Three spectra are characterized appearance halos extending 2θ range from 16˚ 45˚ XRD untreated Epoxy/Al samples several exposed time (0, min).