Abstract
Corrosion occurs as a result of the interaction of a metal with the environment. The extent of corrosion depends on the type of the metal and the surrounding environment. This paper focuses on the investigation of the corrosion problem in Aluminum–Magnesium alloys and experimentally develops an Electroless Nickel - Phosphorouscoating with different nano additives and surfactants. This paper investigates the different types of Electroless Nickel - Phosphorouscoatings done to reduce corrosion in Al-Mg alloys. Two types of nano particles such as nano Al2O3 and nanoZnO with two types of surfactants such as SDS and CTAB were used in this investigation. Different corrosion evaluation tests such as atmospheric exposure test, and wet corrosion test were carried out on the coated samples. Coated samples were characterized with help of Scanning Electron Microscope and Energy Dispersive X-ray Spectrometry. Mechanical evaluation tests such as surface roughness and hardness were measured on the coated samples. Comparison was done between the different EN-P coatings to optimize the concentration ofnano additives and surfactants.
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