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Color stainless steel with the superior characteristics of the stainless steel , while there are good decorative effect , have a wide range of applications in various fields of life and production , chemical and electrochemical methods for their preparation . Traditional chemical coloring method (\This article optional molybdate system , manganese sulfate as an additive color stainless steel was prepared , under certain temperature and current density , orthogonal experiment method to optimize the best coloring process conditions : the ammonium paramolybdate concentration 100g / L , the coloring temperature of 35 ° C. The current density of 0.2A/dm2 , additive concentration 5g / L . The spectral characteristics of the color of stainless steel , combined with the principle of geometric optics , to analyze the relationship of the color and the film thickness of the colored film to explore a method to control the color of the colored film . With anodic polarization curves and electrochemical impedance spectroscopy to study the corrosion resistance of the colored film analysis molybdate concentration , temperature , current density , concentration of additive colored film corrosion resistance . Preliminary explore the mechanism of the corrosion resistance of the colored film .
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