Grain refined and basal textured surface produced by burnishing for improved corrosion performance of AZ31B Mg alloy

Z. Pu*, G. L. Song, S. Yang, J. C. Outeiro, O. W. Dillon, D. A. Puleo, I. S. Jawahir

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    239 Citations (Scopus)

    Abstract

    Grain refinement and strong basal texture were produced on AZ31B Mg alloy surface concomitantly by a newly developed severe plastic deformation (SPD) process, severe plasticity burnishing (SPB). The remarkably improved corrosion resistance of AZ31 in NaCl solution after SPB was attributed mainly to dramatically reduced grain size and strongly basal-textured grain orientation. The residual stresses introduced by SPB were also found to influence the corrosion resistance to some extent. Compared with other SPD processes, SPB is fast, cost-effective, does not change material bulk properties and requires little changes to the industrial production process.
    Original languageEnglish
    Pages (from-to)192-201
    Number of pages10
    JournalCorrosion Science
    Volume57
    DOIs
    Publication statusPublished - Apr 2012

    Keywords

    • A. Magnesium
    • B. EIS
    • B. Polarization
    • B. XRD
    • C. Effects of strain

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