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Effects of grain size on the corrosion resistance of wrought magnesium alloys containing neodymium
Published in Elsevier BV
Volume: 58
Pages: 145 - 151

A range of grain size from 70 μm to 0.7 μm was studied for corrosion resistance of Mg–Y–RE magnesium alloy using electrochemical and constant immersion testing in 3.5 wt.% NaCl solution. The linear polarization resistance (Rp) showed a clear trend of increasing Rp value with grain refinement. The ultrafine grained sample showed the most positive pitting potential as compared to coarse grained samples. One order of magnitude decrease in corrosion rate was observed between coarsest and ultrafine grained microstructure.

About the journal
JournalData powered by TypesetCorrosion Science
PublisherData powered by TypesetElsevier BV
Open AccessNo