The effect of machined surface condition on the corrosion behavior of magnesium ZM51/SiC composite

Tai Man Yue, L. J. Yan, Hau Chung Man

Research output: Journal article publicationJournal articleAcademic researchpeer-review

5 Citations (Scopus)

Abstract

This article studies the effect of surface finish on the corrosion behavior of magnesium ZM51/SiC composite. Four different machining processes were employed: single-point diamond turning, wire electrical discharge machining, grinding, and polishing. The machined surface quality was found to have a significant influence on the corrosion behavior of magnesium ZM51/SiC composite. The results showed that, in terms of corrosion current, charge transfer resistance, and double-layer capacitance, the polished and fine-ground specimens have the highest corrosion resistance whereas the rough-ground specimen exhibited the highest corrosion rate. The effects of the various machining-induced defects on corrosion behavior are discussed.
Original languageEnglish
Pages (from-to)123-138
Number of pages16
JournalMaterials and Manufacturing Processes
Volume19
Issue number2
DOIs
Publication statusPublished - 1 Jan 2004

Keywords

  • Corrosion
  • Machining
  • Magnesium composite
  • Surface condition

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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