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多孔氧化铝的阳极氧化初期形成阶段 被引量:4

THE INITIATION OF PORES IN THE POROUS ANODIZATION OF ALUMINUM
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摘要 测量了单晶铝在阳极氧化过程中的电流密度—时间曲线 .曲线可分为 3部分 ,分别对应多孔氧化铝形成的 3个阶段 .初始电流密度的下降是阻挡层的形成引起的 ;随后电流密度的升高是孔的形成造成的 ;当落在阻挡层上的电压降足够低 ,使得质子可以进入阻挡层 ,这时孔的雏形形成 ;当上升过程结束 ,电流密度达到稳定值后 ,孔的分布已完成 . The current_time curves which are characteristic of porous aluminum anidization were studied.The fall of current is succeeded by a rise to a constant value.The fall is interpreted as caused by barrier_layer formation and the rise by pore initiation when the field across the barrier layer has fallen low enough to allow the entry of protons into the film.When the current density finally reaches the steady state,the pore distribtion is complete.
出处 《曲阜师范大学学报(自然科学版)》 CAS 2001年第1期37-48,55,共13页 Journal of Qufu Normal University(Natural Science)
基金 山东省自然科学基金!(Y98A10 0 13 )
关键词 多孔氧化铝 阳极氧化 阻挡层 电化学 氧化铝膜 porous anodic aluminium anodizing barrier layer
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参考文献5

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同被引文献17

  • 1王革,程祥荣.阳极氧化对纯钛氧化膜影响的初步研究[J].中华口腔医学杂志,2001,36(6):30-33. 被引量:17
  • 2赖跃坤,孙岚,左娟,林昌健.氧化钛纳米管阵列制备及形成机理[J].物理化学学报,2004,20(9):1063-1066. 被引量:82
  • 3惠战强,侯榆青,任兆玉,曹国雄,任宽芳,白晋波.多孔氧化铝膜的荧光研究[J].光子学报,2005,34(10):1522-1525. 被引量:3
  • 4闫金良.多孔氧化铝薄膜的制备和光学特性研究[J].光子学报,2005,34(10):1530-1533. 被引量:6
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  • 6MENG Guo wen, JUNG Yung-joon, CAO An-yuan, et al. Controlled fabrication of hierarchically branched nanopores nanotubes, and nanowires[J]. PNAS, 2005,102 (20) : 7074 -7078.
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