Structure of anodic films formed on magnesium

Sachiko Ono, Katsuhiko Asami, Tetsuya Osaka, Noboru Masuko

Research output: Contribution to journalArticle

84 Citations (Scopus)

Abstract

The cylindrical pore structure and barrier layer of anodic films formed on magnesium which are similar to the Keller's model of anodic alumina are determined by direct cross-sectional observation. The ratios of cell diameter and barrier layer thickness to the forming voltage are notably smaller than those associated with anodic alumina. It is assumed that anodic film growth proceeds mainly by the formation of MgF2 and Mgx+y/2Ox(OH)y (magnesium oxyhydroxide) at the metal/film interface and the dissolution of the film at pore bases.

Original languageEnglish
JournalJournal of the Electrochemical Society
Volume143
Issue number3
Publication statusPublished - 1996 Mar

Fingerprint

Magnesium
magnesium
Aluminum Oxide
barrier layers
Alumina
aluminum oxides
porosity
Film growth
Pore structure
metal films
dissolving
Dissolution
Metals
Electric potential
electric potential
cells

ASJC Scopus subject areas

  • Electrochemistry
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

Structure of anodic films formed on magnesium. / Ono, Sachiko; Asami, Katsuhiko; Osaka, Tetsuya; Masuko, Noboru.

In: Journal of the Electrochemical Society, Vol. 143, No. 3, 03.1996.

Research output: Contribution to journalArticle

Ono, Sachiko ; Asami, Katsuhiko ; Osaka, Tetsuya ; Masuko, Noboru. / Structure of anodic films formed on magnesium. In: Journal of the Electrochemical Society. 1996 ; Vol. 143, No. 3.
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