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The effect of oxidation time on the micro-arc titanium dioxide surface coating containing Si,Ca and Na

  • Su Cheng
  • , Daqing Wei
  • , Yu Zhou*
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Alkaline electrolyte containing Si, Ca and Na elements was used to make porous coating of titanium dioxide on the titanium matrix surface by the way of micro-arc oxidation (MAO). The influences of MAO time on the microstructures and the distribution of elements in the coating surface was investigated. The results showed that the coating surface contains Ti, O, Si, Ca, Na. The contents of Si, Ca, and Na elements increase with the increasing of MAO time. After the MAO time reaches 10 minutes, the increasing speed of elements content decreases. The pore size of the coating surface is in direct proportion to the MAO time. The number of pores is in inverse proportion to the MAO time. After the MAO time reaches 5 minutes, the pore size increasing speed and the number of pores decreasing speed weaken.

Original languageEnglish
Title of host publication2011 Chinese Materials Conference
PublisherElsevier Ltd
Pages713-717
Number of pages5
ISBN (Print)9781627485838
DOIs
StatePublished - 2012

Publication series

NameProcedia Engineering
Volume27
ISSN (Print)1877-7058

Keywords

  • Micro-arc oxidation
  • Oxidation time
  • Titanium dioxide

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