Corrosion behaviour of laser-cleaned AA7024 aluminium alloy
Applied Surface Science(2018)
Abstract
Laser-cleaned surface of hot-rolled AA7024-T4 alloy exhibited higher corrosion resistance in 3.5 wt.% NaCl solution than the as-received, due to the removal of the original less protective oxide layer consisting of MgO and MgAl2O4 and formation of more protective oxide layer containing Al2O3 and MgO.
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Key words
Laser cleaning,Aluminium alloy,Corrosion,SVET,EIS,Polarisation,XPS,GDOES
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