Anodic oxidation and powder coating for corrosion protection of AM60B magnesium alloys

M. Bestetti, P. L. Cavallotti, A. Da Forno, S. Pozzi

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

In the present paper a protection process against corrosion for AM60B magnesium alloys is described. The coating consisted of an anodic oxide layer, obtained by microarc oxidation (MAO), covered with a powder coating layer. The MAO pretreatment improved the adhesion of the organic layer, which was responsible for the corrosion protection effect. The morphological and crystallographic structure of the anodic oxide was characterised by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Salt spray tests were carried out in order to assess the quality of the anodic oxide powder coating system.

Original languageEnglish
Pages (from-to)316-319
Number of pages4
JournalTransactions of the Institute of Metal Finishing
Volume85
Issue number6
DOIs
Publication statusPublished - Nov 2007
Externally publishedYes

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Keywords

  • Corrosion protection
  • Magnesium alloys
  • Microarc oxidation
  • Powder painting

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Surfaces and Interfaces
  • Metals and Alloys

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