采用浸没法,以纯Mg及AZ91D,AZ61,ZK60,ZM21镁合金为基体材料,在植酸水溶液中制备植酸转化膜.观察了植酸转化膜的形貌,分析了转化膜的元素组成及浓度分布,进而研究了镁合金的微观结构对制备表面植酸转化膜的影响.结果表明:合金元素对植酸转化膜的形成起着决定性的作用,高价合金元素(Al和Zr)比低价合金元素(Zn和Mn)更有利于植酸转化膜的形成,以固溶体存在的Al比以化合态(Mg17Al12)存在的Al更有利于转化膜的形成.
参考文献
| [1] | GRAY J E;LUAN B .Protective Coatings on Magnesium and Its Alloys[J].Journal of Alloys and Compounds,2002,336:88-113. |
| [2] | Yu Shengxue,Chen Ling.Preparation Technology and Performances of Zn-Cr Coating on Sintered NdFeB Permanent Magnet[J].稀土学报（英文版）,2006(02):223-226. |
| [3] | CHENG Ying-liang,WU Hai-lan,CHEN Zhen-hua,WANG Hui-min,LI Ling-ling.Phosphating process of AZ31 magnesium alloy and corrosion resistance of coatings[J].中国有色金属学会会刊（英文版）,2006(05):1086-1091. |
| [4] | ERIKA Kalman .Trends in Corrosion Research[J].Electrochimica Acta,2001,46:3607-3609. |
| [5] | Zhao M;Wu SS;Luo JR;Fukuda Y;Nakae H .A chromium-free conversion coating of magnesium alloy by a phosphate-permanganate solution[J].Surface & Coatings Technology,2006(18/19):5407-5412. |
| [6] | Ming Zhao;Shusen Wu;Ping An;Jirong Luo .Influence of surface pretreatment on the chromium-free conversion coating of magnesium alloy[J].Materials Chemistry and Physics,2007(2/3):475-483. |
| [7] | Xiufang Cui;Ying Li;Qingfen Li;Guo Jin;Minghui Ding;Fuhui Wang .Influence Of Phytic Acid Concentration On Performance Of Phytic Acid Conversion Coatings On The Az91d Magnesium Alloy[J].Materials Chemistry and Physics,2008(2/3):503-507. |
| [8] | Xiufang Cui;Qingfen Li;Ying Li;Fuhui Wang;Guo Jin;Minghui Ding .Microstructure And Corrosion Resistance Of Phytic Acid Conversion Coatings For Magnesium Alloy[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2008(5P1):2098-2103. |
| [9] | Lili Gao;Chunhong Zhang;Milin Zhang .Phytic acid conversion coating on Mg-Li alloy[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2009(1/2):789-793. |
| [10] | PAN Fu-sheng;YANG Xu;ZHANG Ding-fei .Chemical Nature of Phytic Acid Conversion Coating on AZ61 Magnesium Alloy[J].Applied Surface Science,2009,255:8363-8371. |
| [11] | Torres J;Dominguez S;Cerda MF;Obal G;Mederos A;Irvine RF;Diaz A;Kremer C .Solution behaviour of myo-inositol hexakisphosphate in the presence of multivalent cations. Prediction of a neutral pentamagnesium species under cytosolic/nuclear conditions[J].Journal of Inorganic Biochemistry: An Interdisciplinary Journal,2005(3):828-840. |
| [12] | Francesco Crea;Concetta De Stefano;Demetrio Milea;Silvio Sammartano .Formation and stability of phytate complexes in solution[J].Coordination chemistry reviews,2008(10/11):1108-1120. |
| [13] | Kenan Dost;Ozge Tokul .Determination of phytic acid in wheat and wheat products by reverse phase high performance liquid chromatography[J].Analytica chimica acta,2006(1/2):22-27. |
| [14] | Veiga N;Torres J;Dominguez S;Mederos A;Irvine RF;Diaz A;Kremer C .The behaviour of myo-inositol hexakisphosphate in the presence of magnesium(II) and calcium(II): Protein-free soluble InsP(6) is limited to 49 mu M under cytosolic/nuclear conditions[J].Journal of Inorganic Biochemistry: An Interdisciplinary Journal,2006(11):1800-1810. |
| [15] | SONG Guang-ling;ANTRENS Andrei .Understanding Magnesium Corrosion[J].Advanced Engneering Materials,2003,5(12):837-858. |
| [16] | Zhaohui Wen;Changjun Wu;Changsong Dai .Corrosion behaviors of Mg and its alloys with different Al contents in a modified simulated body fluid[J].Journal of Alloys and Compounds,2009(1):392-399. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%