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Study on corrosion behaviour of AZ91 alloys at different aging time

IOP Conference Series: Materials Science and Engineering (2019) 572(1)
DOI: 10.1088/1757-899X/572/1/012039
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Abstract

The current work presents the corrosion behavior of AZ91 magnesium alloys in 0.01M NaCl. 2 different aging time samples were used in this study. It is found that sample with 2 hrs aging time shows a better corrosion resistance as compared to the 4 hrs aging time. It is also showing a significant small amount of hydrogen evolution reaction (HER) during the hydrogen gas collection examination. XRD indicates a few β-Mg17Al12 phase formed at 4 hrs aged samples. This is suggested that the formation of β phase in the alloy were accelerating the corrosion rate due to the galvanic corrosion mechanism.

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APA

Salleh, S. H., Zaidi, N. H. A., & Abdullah, S. S. C. (2019). Study on corrosion behaviour of AZ91 alloys at different aging time. In IOP Conference Series: Materials Science and Engineering (Vol. 572). Institute of Physics Publishing. https://doi.org/10.1088/1757-899X/572/1/012039

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