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Effects of grain size on the corrosion resistance of wrought magnesium alloys containing neodymium
Published in Elsevier BV
2012
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.
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About the journal
| Journal | Data powered by TypesetCorrosion Science |
|---|---|
| Publisher | Data powered by TypesetElsevier BV |
| Open Access | No |
Authors (2)
Sushanta Kumar Panigrahi- Achieving excellent thermal stability and very high activation energy in an ultrafine-grained magnesium silver rare earth alloy prepared by friction stir processing
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Sounaka Mishra- The complexity of finding subgraphs whose matching number equals the vertex cover number
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