Improved corrosion resistance on biodegradable magnesium by zinc and aluminum ion implantation

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journal

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Author(s)

  • Ruizhen Xu
  • Xiongbo Yang
  • Kai Wong Suen
  • Guosong Wu
  • Penghui Li

Detail(s)

Original languageEnglish
Pages (from-to)608-612
Journal / PublicationApplied Surface Science
Volume263
Online published29 Sep 2012
Publication statusPublished - 15 Dec 2012

Abstract

Magnesium and its alloys have promising applications as biodegradable materials, and plasma ion implantation can enhance the corrosion resistance by modifying the surface composition. In this study, suitable amounts of zinc and aluminum are plasma-implanted into pure magnesium. The surface composition, phases, and chemical states are determined, and electrochemical tests and electrochemical impedance spectroscopy (EIS) are conducted to investigate the surface corrosion behavior and elucidate the mechanism. The corrosion resistance enhancement after ion implantation is believed to stem from the more compact oxide film composed of magnesium oxide and aluminum oxide as well as the appearance of the β-Mg17Al12 phase.

Research Area(s)

  • Biomaterials, Corrosion, Ion implantation, Magnesium

Citation Format(s)

Improved corrosion resistance on biodegradable magnesium by zinc and aluminum ion implantation. / Xu, Ruizhen; Yang, Xiongbo; Suen, Kai Wong; Wu, Guosong; Li, Penghui; Chu, Paul K.

In: Applied Surface Science, Vol. 263, 15.12.2012, p. 608-612.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journal