Ion Implanted AZ31 Magnesium Alloy

Abstract:

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Ion implantation was applied to modify the surface properties of magnesium alloy. About 75 keV titanium ions with a dose of 5×1017 ions/ cm-2 and about 35 keV nitrogen ions with a dose of 3×1017 ions/ cm-2 were implanted into AZ31 magnesium alloy, respectively. AFM and FESEM were used to examine the surface morphology of the treated samples. In contrast to the smooth surface treated by N ion implantation, the Ti-treated surface was severely damaged. AES analysis reveals that both kinds of ions implanted in AZ31 magnesium alloy took on a quasi-Gaussian distribution in the near surface region. In the corrosion test, the N-implanted sample showed a better corrosion resistance in 3.5wt.% NaCl solution than bare AZ31 sample, whereas the Ti-implanted sample accelerated the corrosion behavior of AZ31 in this solution

Info:

Periodical:

Materials Science Forum (Volumes 546-549)

Edited by:

Yafang Han et al.

Pages:

551-554

DOI:

10.4028/www.scientific.net/MSF.546-549.551

Citation:

G. S. Wu et al., "Ion Implanted AZ31 Magnesium Alloy", Materials Science Forum, Vols. 546-549, pp. 551-554, 2007

Online since:

May 2007

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Price:

$35.00

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