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by Fatemeh Mollaamin
2024,2(2);
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Abstract
The corrosion inhibition efficiency of magnesium–aluminum (MgAl) by embedding the noble metals of Ni, Pd, Pt, Cu, Ag, Au on the surface has been investigated. The importance of the electrical double layer at the interface between a metal and an acid electrolyte together with its interaction with organic and inorganic molecules to produce initially electrostatic adsorption are highlighted. The important step in which molecules enable inhibition are production of a physical barrier where a physical adsorbed barrier of molecules prevent movement near the metal surface or decrease in metal reactivity where chemisorbed inhibitor molecules stick to active area on the metal surface. In the NMR spectroscopy, it has been observed the remarkable peaks around metal elements of Ni, Pd, Pt, Cu, Ag, Au through the doping on the MgAl nanoalloy, however there are some fluctuations in the chemical shielding behaviors of isotropic and anisotropy attributes. Furthermore, all accounted amounts are very close, which demonstrate the agreement of the measured specifications by all methodologies and the reliability of the computing values.
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