METHOD OF SURFACE TREATMENT OF Mg ALLOYS GOODS USING PLASMA ELECTROLYSING OXCIDATION SOLUTION

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PURPOSE : A method of surface treatment of mg alloys goods using plasma electrolyzing oxidation solution is provided to gradually perform surface treatment through multiple steps. CONSTITUTION : A method of surface treatment of mg alloys goods using plasma electrolyzing oxidation solution comprises the next step. The surface of the magnesium alloy product is treated under a first anodizing treatment solution. The first anodizing treatment solution is manufactured by maxing NaOH, sodium metasilicate, sodium citrate and rare earth metal powder with water. The surface treated with the first anodizing treatment solution is treated under a second anodizing treatment solution as a second time. The second anodizing treatment solution is mixed with ammonium fluoride, potassium ferricyanide and water. The surface of the surface-treated magnesium alloy product is processed under a third anodizing treatment solution as the third time. The third anodizing treatment solution is manufactured by mixing with NaOH, potassium hydroxide(KOH), oxidation sodium borate(NaBO 2), potassium acetate(CH 3COOK), transition metal in the water. COPYRIGHT KIPO 2012