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A two-step surface treatment, combining fluoride pretreatment and anodic electrophoresis deposition of waterborne acrylic resin, for Mg-Li-Al-Ce alloy

  • Yibin Ma
  • , Ning Li*
  • , Deyu Li
  • , Milin Zhang
  • , Xiaomei Huang
  • *Corresponding author for this work
  • School of Chemistry and Chemical Engineering, Harbin Institute of Technology
  • Harbin Engineering University

Research output: Contribution to journalArticlepeer-review

Abstract

In order to improve the corrosion resistance of Mg-Li-Al-Ce alloy. A new two-step surface treatment, combining fluoride pretreatment in hydrofluoric acid (HF) solution and anodic electrophoresis in waterborne acrylic resin solution, is developed for Mg-Li-Al-Ce alloy. The results of scanning electron microscopy with energy dispersion spectroscopy show that a 6 μm thick fluoride film is formed on the Mg-Li-Al-Ce alloy. A compact, uniform and 56 mm thick waterborne acrylic resin coating is formed on the fluoride-coated alloy. The results of electrochemical measurements show that the double-layer coating improves the corrosion resistance of Mg-Li-Al-Ce alloy.

Original languageEnglish
Pages (from-to)11-13
Number of pages3
JournalMaterials Letters
Volume90
DOIs
StatePublished - Jan 2013
Externally publishedYes

Keywords

  • Anticorrosion
  • Electrophoresis coating
  • Fluoride film
  • Metals and alloys
  • Thick films
  • Waterborne acrylic resin

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