对铝在4种不同电解液体系中的高压阳极氧化的伏安特性进行了讨论.通过扫描电镜研究了不同电解液体系对铝高压氧化膜(HVAF)微观形貌的影响,并通过X-射线衍射实验研究了HVAF的结构.结果表明,铝在4种不同电解液体系中的高压阳极氧化过程均存在临界峰电流密度,即阳极氧化峰电流密度小于相应的临界峰电流密度时,铝表面不能形成完整均匀的HVAF;电镜实验证明,电解液的组成对HVAF的微观形貌影响较大,同时含钨酸钠、磷酸、草酸和成膜添加剂等组分的体系4,其HVAF表面存在规则有序的孔.
参考文献
| [1] | Rai K N;Ruckenstein E .Alumina substrates with cylindrical parallel pores[J].Journal of Catalysis,1975,40(02):117-123. |
| [2] | Miller C J;Majda M .Microporous aluminum oxide films at electrodes[J].Journal of the American Chemical Society,1985,107(05):1419-1420. |
| [3] | Almawlawi D;Coombs N;Moskovits M J .Magnetic properties of Fe deposited into anodic aluminum oxide pores as a function of particle size[J].Journal of Applied Physics,1991,70(08):4421-4425. |
| [4] | Ganley JC;Riechmann KL;Seebauer EG;Masel RI .Porous anodic alumina optimized as a catalyst support for microreactors[J].Journal of Catalysis,2004(1):26-32. |
| [5] | Chik H;Xu JM .Nanometric superlattices: non-lithographic fabrication, materials, and prospects[J].Materials Science & Engineering, R. Reports: A Review Journal,2004(4):103-138. |
| [6] | Brandli C;Jaramillo T F;Ivanovsksya A et al.Automated synthesis and characterization of diverse libraries of macroporous aluminua[J].Electrochimica Acta,2001,47(04):553-557. |
| [7] | Lasser H;Robinson G;Almaula B .Preparation of semiporous wafers of aluminum oxide by high voltage anodization[J].Journal of American Ceram Bull,1971,50(02):165-169. |
| [8] | 巩运兰,董向红,高俊丽,郭鹤桐.铝在铬酸中高电压阳极氧化的研究[J].电镀与精饰,1999(01):5-7. |
| [9] | Hanhua Wu;Xianyi Lu;Beihong Long .The effects of cathodic and anodic voltages on the characteristics of porous nanocrystalline titania coatings fabricated by microarc oxidation[J].Materials Letters,2005(2/3):370-375. |
| [10] | Jagminas A;Bigeliene D;Mikulskas I et al.Growth of peculiarities of aluminum anodic oxide at high voltages in diluted phosphoric acid[J].Journal of Crystal Growth,2001,233(03):591-599. |
| [11] | Kuang Y F;Liu J P;Hou Z H et al.Preparation and nanlysis of films on aluminum by high voltage anodization in phosphoric acid and tungstate solution[J].Journal of Applied Electrochemistry,2001,31(11):1267-1271. |
| [12] | Sui Y C;Saniger J M .Characterization of anodic porous alumina by AFM[J].Materials Letters,2001,48(3～4):127-136. |
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%