The present study employed a tungsten pH microelectrode to the formation of trivalent chromium conversion (TCC) coatings on Al, AA 2024-T3 aluminum alloy and AZ91D magnesium in SurTec ChromitAL solutions. had sensitivity –60 mV/pH peak final values for pre-treated 2024 were 4.9 3.5, 4.3 4.1, 4.7 respectively. initial value is great importance influencing coating deposition-driven force thicknes...

Ni-W-P ternary coating was successfully deposited on AZ91D magnesium alloy by electroless plating with low energy consumption. The effect of Na2WO4 concentration the microstructure, deposition rate, corrosion behavior, adhesion force, porosity test and micro-hardness coatings were evaluated. Results reveal that when is 15 g/L in solution, average thickness 17 μm uniform dense, content phosphoru...