Corrosion of magnesium alloy ZE41 – The role of microstructural features

Neil, W. C., Forsyth, M., Howlett, P. C., Hutchinson, C. R. and Hinton, B. R. W. 2009, Corrosion of magnesium alloy ZE41 – The role of microstructural features, Corrosion science, vol. 51, no. 2, pp. 387-394, doi: 10.1016/j.corsci.2008.11.005.

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Title Corrosion of magnesium alloy ZE41 – The role of microstructural features
Author(s) Neil, W. C.
Forsyth, M.ORCID iD for Forsyth, M.
Howlett, P. C.ORCID iD for Howlett, P. C.
Hutchinson, C. R.
Hinton, B. R. W.ORCID iD for Hinton, B. R. W.
Journal name Corrosion science
Volume number 51
Issue number 2
Start page 387
End page 394
Total pages 8
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2009-02
ISSN 0010-938X
Keyword(s) A. magnesium
A. zirconium
C. pitting corrosion
Summary Magnesium alloy ZE41, used extensively in the aerospace industry, possesses excellent mechanical properties albeit poor corrosion resistance. This paper investigates the mechanism of corrosion and the interaction between the grain boundary intermetallic phases, the Zr-rich regions within the grains and the bulk Mg-rich matrix. The results of optical and scanning electron microscopy (SEM) together with energy-dispersive X-ray (EDX) and atomic force microscopy (AFM) potential map measurements have shown the importance of the microstructure in the initiation and propagation of corrosion in an aqueous environment, indicating that the Zr-rich regions play a distinct role in the early stages of corrosion in this alloy.
Language eng
DOI 10.1016/j.corsci.2008.11.005
Field of Research 039999 Chemical Sciences not elsewhere classified
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2008, Elsevier
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