采用了单因素实验对镁合金表面硝酸亚铈转化膜制备的实验条件进行了研究,发现在一定条件下硝酸亚铈能在镁合金表面生成宏观上较致密的转化膜.对镁合金表面硝酸亚铈转化膜在3.5%(质量分数,后同)NaCl溶液中浸泡析氢,用极化曲线(Tafel)以及扫描电镜(SEM),对转化膜进行了测试,结果表明:在pH=3,双氧水体积分数为4 mL/L时,转化膜的效果较好.
参考文献
| [1] | 宋光铃.镁合金腐蚀与防护[M].北京:化学工业出版社,2006:281. |
| [2] | Amy L. Rudd;Carmel B. Breslin;Florian Mansfeld .The corrosion protection afforded by rare earth conversion coatings applied to magnesium[J].Corrosion Science,2000(2):275-288. |
| [3] | 张永君,严川伟,王福会.Mg及Mg合金表面稀土转化处理及其耐蚀性研究[J].腐蚀科学与防护技术,2001(z1):467-470. |
| [4] | Ardclean H;Fiaud C;Marcus P .Enhanced Corrosion Resistance of Magnesium and its Alloys through the Formation of Cerium(and aluminum)Oxide Surface Films[J].Materials and Corrosion,2001,52(12):889. |
| [5] | Brunelli K;Dabala M;Calliari I et al.Effect of HCI Pretreatment on Corrosion Resistance of Cerium-based Conversion Coatings on Magnesium and Magnesium Alloys[J].Corrosion Science,2005,47(04):989. |
| [6] | Lin C S;Fang S K .Formation of Cerium Conversion Coatings on AZ31 Magnesium Alloys[J].Journal of the Electrochemical Society,2005,152(02):54. |
| [7] | 李凌杰,雷惊雷,张胜涛,李荻,田钰靖.镁合金稀土转化膜研究进展[J].材料工程,2006(10):60-64. |
| [8] | 钟丽应,曹发和,施彦彦,文强,张昭,张鉴清.AZ91镁合金表面铈基稀土转化膜的制备及腐蚀电化学行为[J].金属学报,2008(08):979-985. |
| [9] | 许越,陈湘,吕祖舜,李英杰.AZ91镁合金表面稀土转化膜的制备及耐蚀性能研究[J].中国稀土学报,2005(01):40-43. |
| [10] | Samia Ben Hassen,Latifa Bousselmi,Patricc Bercot,El Mustafa Rezrazi,Ezzeddine Triki.Improvement in corrosion resistance of magnesium coating with cerium treatment[J].稀有金属(英文版),2009(03):277-283. |
| [11] | 李凌杰,雷惊雷,于生海,田钰靖,蒋齐全,潘复生.镁合金铈转化膜的形成及表征[J].中国稀土学报,2007(06):736-740. |
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