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Influence of cerium additions on the corrosion behaviour of high pressure die cast AM50 alloy

Research output: Journal contributions › Journal articles › Research › peer-review

Authors

The influence of Ce additions to AM50 magnesium alloy prepared by high pressure die casting on the microstructure and corrosion behaviour has been investigated. The corrosion behaviour was evaluated by hydrogen evolution, salt spray, potentiodynamic polarization and electrochemical impedance experiments. The results show that Ce addition promotes the formation of Al 11Ce 3 phase and reduces the amount of β-phase (Mg 17Al 12). The corrosion resistance is improved with increasing Ce content which can be attributed to the formation of Al 11Ce 3 phase, reduction of β-phase (reduced galvanic effects) and higher purity of AME50X alloys (melt cleaning effects).

Original languageEnglish
JournalCorrosion Science
Volume65
Pages (from-to)145-151
Number of pages7
ISSN0010-938X
DOIs
Publication statusPublished - 12.2012
Externally publishedYes

    Research areas

  • A. Magnesium, A. Rare earth elements, B. Polarization, B. SEM, C. Pitting corrosion
  • Engineering

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