Corrosion behavior of silicon oxynitride bonding silicon carbide in molten pure magnesium and AZ91 magnesium alloy

Hu Kui Chen, Jian Rui Liu, Wei Dong Huang

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The corrosion behavior of silicon oxynitride bonding silicon carbide (Si2 N2 O/SiC) composite in molten pure magnesium and AZ91 magnesium alloy was investigated. The microstructure and component for the surface layer were characterized by SEM, EDS and XRD. The experimental results showed that there were reactions between liquid metals and SiO2 on the surface of the composite. After the SiO2 was used up and reaction products formed compact protective layers, the Si2 N2 O/SiC composite exhibited good resistance to corrosion of liquid magnesium and AZ91 magnesium alloy.

Original languageEnglish
Pages (from-to)23-27
Number of pages5
JournalCailiao Gongcheng/Journal of Materials Engineering
Issue number7
StatePublished - Jul 2006

Keywords

  • Corrosion
  • Magnesium
  • Magnesium alloy
  • Silicon oxynitride bonding silicon carbide

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