Characterization of Composite Material with Prepared Nanoparticles by Laser Ablation As Anti-Corrosion Material

Abstract

Abstract In this study, aluminum nanoparticles (Al NPs) were successfully obtained by pulsed laser ablation in liquid (PLAL) with different pulse frequencies (500, 600, and 700 pulses/s). showed that the resulting Al NPs have a polycrystalline structure and a cubic phase. Planes (111) and (200) correspond to peaks at (2θ=38.08° and 44.03°). The average size of nanoparticle crystallites was estimated by the Scherrer method and amounted to (17.52) nm. Field Emission Scanning Electron Microscopy ( FE-SEM) images of Al samples were taken at counts (500, 600 and 700). From these pictures, it can be seen that the particle size is approximately (177.4 nm). Al NPs prepared with 600 pulses are in an aggregated form. Agglomeration makes particles appear much larger than they really are. It can be seen from these images that the particle size is approximately (136.0 nm). Al nanoparticles obtained using 700 pulses have a shape close to spherical and cubic, and different sizes. Aggregation of Al nanoparticles occurs due to strong interactions. The average NP grain size observed in FE-SEM images is (123.1 nm). Chemical analysis using energy dispersive spectroscopy (EDS) was used to confirm the chemical analysis of Al NPs. It shows that the only visible peaks are oxygen (O) and aluminum (Al), making up 85.2% and 14.8% of the total atomic percent, respectively. Appearance High percentage of elemental oxygen as a result of thin film oxidation during manufacturing. Fourier Transform Infrared Spectroscopy ( FTIR) ranges for the aluminum metal test: 419.18 and 443.27 cm-1 Crossover and longitudinal examples of AL-OH retention groups are seen at low frequencies. aluminum has 1637.93 cm-1 (C-O). 2076.25 cm-1 (C=C) for aluminum. The hard top at 3466.02 cm-1 corresponds to the OH elongation. In the absorption spectra of Al NPs at 500, 600, and 700 pulses, it was noted that the Surface Plasmon Resonance (SPR) shift shifted toward shorter wavelengths (blue shift) as the number of laser pulses increased. This indicates smaller nanoparticles. As the number of pulses increases, the bandwidth and the maximum absorption wavelength change insignificantly. As the number of pulses increases, the position of the peak becomes unstable. Epoxy resin and aluminum nanoparticles have been used to mitigate the corrosion of iron. The X-ray diffraction pattern of metallic Fe shows that the pattern shows diffraction peaks around (2θ ~ 44.62° and 64.89°), called the preferred directions (110) and (200) respectively. The position of the peaks and the presence of multiple diffraction peaks are given. We came to the conclusion that the metal is polycrystalline with a cubic structure. Reinforcing an epoxy coating with aluminum nanoparticles leads to an increase in the corrosion resistance of iron, and FE-SEM of metallic Fe also proves that the effectiveness of an epoxy coating is improved after reinforcement with aluminum nanoparticles. We also test the hardness and corrosion rate of iron in saline environments (1%, 2% and 3%) and acidic aqueous environments (pH=1, pH=2, pH=3) at various temperatures. (30,40,50°C)