Mg-Mn-RE镁合金微弧氧化工艺研究  

Preparing Process of Micro-arc Oxidation on Magnesium Alloy Mg-Mn-RE

作　　者：张白冰[1] 李玉海[1] 刘贺[1] 

机构地区：[1]沈阳理工大学材料科学与工程学院,沈阳110159

出　　处：《沈阳理工大学学报》2016年第4期102-106,共5页Journal of Shenyang Ligong University

摘　　要：以膜层耐蚀性为研究指标,分别利用浓度单变量法及正交试验法对微弧氧化电解液体系、工艺参数进行优化。确定电解液体系配方为15g/L NaAlO_2,9g/L Na_3PO_4,3g/L NaF,4g/L NaOH;优化后的工艺参数为正向电压300V,占空比15%,频率600Hz,时间15min;工艺参数对膜层耐蚀性影响的主次顺序为:电压、占空比、频率、时间。Based on the corrosion resistance of the coating, the univariate experiment and orthogonal test method were used to optimize the process parameters. The obtained feasible formulation is as follows 15g/L NaAl02 ,9g/L Na3PO4 ,3g/L NaF,4g/L NaOH. The opti- mized process parameters are300V voltage, 15 % duty cycle ,600Hz frequency, 15min oxida- tion time. The order of the influence of process parameters on the corrosion resistance of the coatings is voltage, duty cycle, frequency and time.

关 键 词：Mg-Mn-RE镁合金 微弧氧化 耐蚀性能 

分 类 号：TG178[金属学及工艺—金属表面处理]