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In vitro degradation behaviour of a friction stir processed magnesium alloy

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Abstract

In this study, the in vitro degradation behaviour of a friction stir processed AZ31 magnesium alloy was investigated. Electrochemical experiments in simulated body fluid suggest that friction stir processing marginally enhances the degradation resistance of the alloy, which could be attributed to the dissolution of secondary phase particles. Homogenisation of the microstructure reduces galvanic corrosion. It is envisaged that the beneficial effect would be more pronounced for magnesium alloys which contain high volume fraction of galvanic corrosion inducing secondary phase particles.

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Acknowledgments

The authors would like to express their gratitude to J.F. dos Santos for providing the friction stir processed samples. Thanks are also due to R. Walter and E.Koc for their help in the electrochemical experiments.

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Authors and Affiliations

  1. Discipline of Chemical Engineering, School of Engineering and Physical Sciences, James Cook University, Townsville, QLD, 4811, Australia

    M. Bobby Kannan

  2. Institute of Materials Research, Helmholtz-Zentrum Geesthacht, 21502, Geesthacht, Germany

    W. Dietzel

  3. Business Development and Technology Transfer Corporation of Schleswig–Holstein, Geesthacht Branch, 21502, Geesthacht, Germany

    R. Zettler

Authors
  1. M. Bobby Kannan
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  2. W. Dietzel
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  3. R. Zettler
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Correspondence to M. Bobby Kannan.

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Bobby Kannan, M., Dietzel, W. & Zettler, R. In vitro degradation behaviour of a friction stir processed magnesium alloy. J Mater Sci: Mater Med 22, 2397–2401 (2011). https://doi.org/10.1007/s10856-011-4429-x

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  • DOI: https://doi.org/10.1007/s10856-011-4429-x

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