Effect of Na_2CO_3 on Energy Consumption of Micro-arc Oxidation of Magnesium Alloy

查看全文 作　　者：Wang Xiaobo,Tian Xiubo,Gong Chunzhi,Yang Shiqin State Key Laboratory of Advanced Welding and Joining,Harbin Institute of Technology,Harbin 150001,China

出　　处：《稀有金属材料与工程》索引2012年第41卷第S1期,共3页

基　　金：NSFC(50773015) 摘　　要：Micro-arc oxidation(MAO)coatings were fabricated on AZ31 magnesium alloy and the effect of Na2CO3 on the energy consumption was studied.The results show that the concentration of Na2CO3 has a critical effect on the discharge behavior of MAO process.With increasing the Na2CO3 concentration in the electrolyte,the arcing voltage and working voltage decrease.A proper concentration is needed to achieve the highest growth rate of the coatings and the lowest energy consumption per unit coating volume.The addition of Na2CO3 decreases the arcing and working voltage of MAO discharge.It is attributed to that the Na2CO3 leads to much more micropores due to the decomposition of MgCO3 to produce more gas. 关键词：MAGNESIUM alloy micro-arc oxidation NA2CO3 energy CONSUMPTION

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Effect of Na_2CO_3 on Energy Consumption of Micro-arc Oxidation of Magnesium Alloy

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