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Nanomechanical And Corrosion Properties Of Zk60 Magnesium Alloy Improved By Gd Ion Implantation

Author

Listed:
  • XUE WEI TAO

    (School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing 211167, P. R. China;
    Jiangsu Key Laboratory of Advanced, Structural Meterials and Application Technology, Nanjing 211167, China)

  • ZHANG ZHONG WANG

    (School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing 211167, P. R. China;
    Jiangsu Key Laboratory of Advanced, Structural Meterials and Application Technology, Nanjing 211167, China)

  • XIAO BO ZHANG

    (School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing 211167, P. R. China;
    Jiangsu Key Laboratory of Advanced, Structural Meterials and Application Technology, Nanjing 211167, China)

  • ZHI XIN BA

    (School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing 211167, P. R. China;
    Jiangsu Key Laboratory of Advanced, Structural Meterials and Application Technology, Nanjing 211167, China)

  • YA MEI WANG

    (School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing 211167, P. R. China;
    Jiangsu Key Laboratory of Advanced, Structural Meterials and Application Technology, Nanjing 211167, China)

Abstract

Gadolinium(Gd)ion implantation with doses from 2.5 × 1016to 1 × 1017ions/cm2into ZK60 magnesium alloy was carried out to improve its surface properties. X-ray photoelectron spectroscopy (XPS), nanoindenter, electrochemical workstation and scanning electron microscope (SEM) were applied to analyze the chemical composition, nanomechanical properties and corrosion characteristics of the implanted layer. The results indicate that Gd ion implantation produces a hybrid-structure protective layer composed ofMgO,Gd2O3and metallicGdin ZK60 magnesium alloy. The surface hardness and modulus of theGdimplanted magnesium alloy are improved by about 300% and 100%, respectively with the dose of 1 × 1017ions/cm2, while the slowest corrosion rate of the magnesium alloy in 3.5 wt.%NaClsolution is obtained with the dose of 5 × 1016ions/cm2.

Suggested Citation

  • Xue Wei Tao & Zhang Zhong Wang & Xiao Bo Zhang & Zhi Xin Ba & Ya Mei Wang, 2014. "Nanomechanical And Corrosion Properties Of Zk60 Magnesium Alloy Improved By Gd Ion Implantation," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 21(06), pages 1-7.
    • Handle: RePEc:wsi:srlxxx:v:21:y:2014:i:06:n:s0218625x14500851
    DOI: 10.1142/S0218625X14500851
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