Corrosion behaviour of Al–Cu–Fe alloys containing a quasicrystalline phase

Influence of alloying elements and etching treatment on the passivating films formed on aluminium alloys

“…39,40 Thus, the greater thickness of the oxide layers on Al-Cu and Al-Mg would be caused by less compact films compared with those formed on the Al-Mg-Si and pure Al specimens. This behaviour seems reasonable considering, on one hand, the tendency for the formation of defective films at the points on the Al-Cu alloy surface where precipitates of the Cu-rich phase emerge 7 and, on the other, the abundance of voids close to the Al-Mg alloy film interface due to the significantly lower Pilling-Bedworth ratio for the formation of MgO compared to that of Al 2 O 3 .…”

Characterisation of porous and barrier layers of anodic oxides on different aluminium alloys

“…They present different possibilities regarding the oxidation tendencies of the alloying elements and content and composition of second phase particles in the aluminium matrix. The Al-Cu alloy has the peculiarity of giving very defective oxide coatings [25,26].…”

Electrochemical corrosion of Al-Pd alloys in HCl and NaOH solutions

“…Studies dealing with chemical properties and corrosion behaviour of CMAs are limited. Only few investigations have been reported so far and these include corrosion studies of Al-Co, Al-Cu-Fe, Al-Cr-Fe and Al-Cu-Fe-Cr CMAs in various electrolytes [14][15][16][17][18][19][20][21][22][23]. The electrochemical behaviour of rapidly solidified Al-Pd alloys has been studied in a NaCl aqueous solution only (1 mol.dm -3 [24]).…”