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    ZHANG Sheng-lin, ZHANG Xiao-lin, MA Qiang, LI Wei-wei. Effect of Mn2+ on Phosphating of Galvanized Steel[J]. Corrosion & Protection, 2010, 31(6): 466-468.
    Citation: ZHANG Sheng-lin, ZHANG Xiao-lin, MA Qiang, LI Wei-wei. Effect of Mn2+ on Phosphating of Galvanized Steel[J]. Corrosion & Protection, 2010, 31(6): 466-468.
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    Effect of Mn2+ on Phosphating of Galvanized Steel

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    • The phosphating process of galvanized steel in phosphating solution with different contents of Mn2+ was investigated by means of open circuit potential-time curves and scanning electron microscopy (SEM).The results showed that Mn2+ in phosphating solution could decrease the initial potential of phosphating and promote the formation of phosphating coating.When the content of Mn(NO3)2 in phosphating solution was 0.6 g/L,the crystals of the phosphate were fine and the phosphating coating formed was uniform and compact.
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