ELECTRIC ARC SPRAYING ALUMINUM AND ZINC ON AZ91D MAGNESIUM ALLOY SURFACE

Different technological parameters of electric-arc spraying aluminum and zinc on the surface of magnesium alloy samples were selected.The corrosion resistance of the different samples was compared by the neutral salt spray test.The techniical parameters of electric arc spraying had a great influence on the quality of the samples.The following optimal technological parameters were obtained:electric arc voltage of 27V,the electric current of 100A,air pressure of 0.5MPa,spraying distance of 100mm.