PLASMA ELECTROLYSING OXCIDATION SOLUTION FOR Mg ALLOYS GOODS

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PURPOSE : Composition for PEO surface treatment solution for a magnesium alloy product is provided to easily realize electro-deposition coating by tightly and uniformly forming a coated film on the surface of a magnesium alloy product and decreasing the electric resistance of a coated film.CONSTITUTION : Composition for PEO surface treatment solution for a magnesium alloy product is as follows. Based on the weight of the water, 0.01-30 weight%% of sodium hydroxide(NaOH), 0.01~2 weight%% of sodium fluoride(NaF), 0.01 weight%% of rare earth metal powder, 0.01~1 weight%% of sodium phosphate(Na3PO4), 0.01~5 weight%% of sodium hexameta phosphate((NaPO3)6), 0.01~2 weight%% of ammonium hydroxide(NH4OH), and 0.01~1 weight%% of aluminum powder are mixed with the water.COPYRIGHT KIPO 2011