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Effects of tantalum ion implantation on the surface properties of Al-Mg alloy

  • D. Y. Zhang
  • , Q. Y. Fei
  • , H. M. Zhao
  • , M. Geng
  • , X. C. Zeng
  • , P. K. Chu

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Abstract

    The effects of tantalum ion implantation on the corrosion resistance, wear resistance and friction coefficient on Al-10% Mg alloys used in molds by the jelly food industry in China were investigated. The experimental results showed that the electrochemical passivation zone of the Al-Mg alloy specimens subjected to a citric acid solution was enlarged by tantalum ion implantation when the tantalum ion dose was more than 3.77 × 1017 ions/cm 2. The hardness of implanted surface was elevated from 60 to 110 HV. The friction coefficient between the implanted surface and stainless steel was decreased from more than 1-0.33. Results obtained by X-ray photoelectron spectroscopy and Auger electron spectroscopy revealed the formation of a new Ta2O5 phase in the implanted layer. © 2005 Published by Elsevier B.V.
    Original languageEnglish
    Pages (from-to)215-218
    JournalThin Solid Films
    Volume484
    Issue number1-2
    DOIs
    Publication statusPublished - 22 Jul 2005

    Research Keywords

    • Aluminum
    • Corrosion
    • Ion implantation
    • Tribology

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