Estimation of the microstructure of anodic porous oxide films on aluminum by the pore-filling method I. Analysis of film structure formed by two-step anodizing.

DOI

Bibliographic Information

Other Title
  • Ｐｏｒｅ‐ｆｉｌｌｉｎｇ法による多孔質Ａｌアノード酸化皮膜の微細構造の推定　Ｉ　二段化成皮膜の構造解析
  • I. Analysis of Film Structure Formed by Two-Step Anodizing
  • I. 二段化成皮膜の構造解析

Description

Double layered porous oxide films were formed on aluminum by two step anodizing at an initial current density (i1) in a H2SO4 solution (S-layer) and again at a second current density (i2) in a H2C2O4 solution (O-layer). The anodized specimens were re-anodized in a neutral borate solution at constant current density to follow the change in anode potential (E) with time (t). The geometrical structre of the double layered films was estimated by analysing the E-t curves (pore-filling method).<br>It was found that the structure of the O-layer was dependent on i2, but independent of the structure of the S-layer formed at i1. Pore-widening in the S-layer was observed to take place by chemical dissolution during the formation of the O-layer.

Journal

Details 詳細情報について

  • CRID
    1390282679088161280
  • NII Article ID
    130003810003
  • DOI
    10.4139/sfj1950.36.478
  • ISSN
    18843395
    00260614
  • Text Lang
    ja
  • Data Source
    • JaLC
    • Crossref
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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