以四氯化钛为前驱体,去离子水为溶剂,ZnCl2为掺杂剂,采用溶胶-凝胶方法制得TiO2溶胶,采用旋涂法在纯镁基体上制得Zn-TiO2薄膜.采用XRD、DSC/TG、SEM,表征不同实验条件下试样的组成和结构,发现Zn2+在一定程度上抑制了晶粒的长大和晶型转变；以电化学阻抗值作为评价标准,通过正交实验研究了热处理温度、涂层次数、Zn2+掺杂浓度对试样耐腐蚀性的影响.结果表明,Zn2+掺杂浓度为0.5％,涂层次数为3,热处理温度为300℃下得到的TiO2薄膜具有最好的耐蚀性.
参考文献
| [1] | Mordike B L;Ebert T .Magnesium propert1ies-applications-potential[J].Materials Science and Engineering A,2001,302:3745. |
| [2] | 钱建刚,李荻,郭宝兰.镁合金的化学转化膜[J].材料保护,2002(03):5-6. |
| [3] | 陈显明,罗承萍,刘江文.镁合金微弧氧化膜层的组织分布[J].功能材料,2010(12):2075-2079. |
| [4] | Song Gangling;Andre J Atrens;Wn Xianliang et al.Corrosion behavior of AZ10,AZ490 and AZ80 in sodium chloride[J].Corrosion Science,1988,40(10):1769-1791. |
| [5] | Revie R W.Uhlig's corrosion handbook[M].New York:John Wiley & Son lnc,2000:793. |
| [6] | J. Elhajj;M. N. Ismail;J. Warzywoda .Electrochemical Fabrication of TiO_2-Au Nanocomposites[J].Journal of the Electrochemical Society,2010(1):D5-D9. |
| [7] | Trzaskoma-paulette P P;Nazeri A .Effects of sol gel coatings on the iocalized corrosion behavior of 304L stainless steel[J].Journal Electrohem Soc,1997,144(04):130-131. |
| [8] | Novakovic J;Vassiliou P.Vacuum thermal treated electroless NiP-TiO2 composite coatings[J].Electrochimica Acta,2009(54):2499-2503. |
| [9] | K.Y. Chiu;M.H. Wong;F.T. Cheng;H.C. Man .Characterization and corrosion studies of titania-coated NiTi prepared by sol-gel technique and steam crystallization[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2007(16):6762-6768. |
| [10] | Shen G X;Chen Y C;Lin L et al.Study on a hydrophobic nano-TiO2 coating and its properties for corrosion protection of metals[J].Electrochimica Acta,2005,50:5083-5089. |
| [11] | Lenz D M;Delamar M;Ferreira C A .Application of polypyrrole/TiO2 composite films as corrosion protection of mild steel[J].Journal of Electroanalytical Chemistry,2003,540:35. |
| [12] | 刘畅,暴宁钟,杨祝红,陆小华.过渡金属离子掺杂改性TiO2的光催化性能研究进展[J].催化学报,2001(02):215-218. |
| [13] | 赵翠华,陈建华,龚竹青.Zn2+离子掺杂对负载TiO2薄膜光催化活性的影响[J].工业催化,2004(08):37-41. |
| [14] | 郭彦磊 .压水堆-回路中Zn离子注入抑制金属腐蚀机理的半导体电化学研究[D].北京:华北电力大学(北京),2011. |
| [15] | Genevieve B;Nadine P .The corrosion of pure magnesium in aerated and deaerated sodium sulphate solution[J].Corrosion Science,2001,43:471-484. |
| [16] | Lindstrom R;Johansson LG;George E et al.Corrosion of magnesium in humid air[J].Corrosion Science,2004,46:1141-1158. |
| [17] | Song G L;Atrens A;Dargusch M .Influence of microstructure on thecorro-sion of diecast AZ91D[J].Corrosion Science,1999,41:249-273. |
| [18] | 赵尹,李春忠,刘秀红,施利毅.气相火焰燃烧合成锌掺杂TiO2纳米晶的光催化性能[J].过程工程学报,2007(06):1254-1258. |
| [19] | Yu JC.;Yu JU.;Ho WK.;Jiang ZT.;Zhang LH. .Effects of F- doping on the photocatalytic activity and microstructures of nanocrystalline TiO2 powders[J].Chemistry of Materials,2002(9):3808-3816. |
| [20] | 邓晓燕,崔作林,杜芳林,彭春.纳米二氧化钛的热分析表征[J].无机材料学报,2001(06):1089-1093. |
| [21] | Brinker C J.Sol-gel science:the physics and chemistry of sol-gel processing[M].Scherer:Academic Press,1990:453-513. |
| [22] | Matthias Bockmeyer;Peer Loebmann .Crack formation in TiO_2 films prepared by sol-gel processing: Quantification and characterization[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2007(13):5212-5219. |
| [23] | 刘小珍 .掺杂二氧化钛薄膜形成机制及性能的研究[D].安徽理工大学,2007. |
| [24] | Hongping Duan;Keqin Du;Chuanwei Yan;Fuhui Wang .Electrochemical corrosion behavior of composite coatings of sealed MAO film on magnesium alloy AZ91D[J].Electrochimica Acta,2006(14):2898-2908. |
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