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. 2020 Dec 1;10:20972. doi: 10.1038/s41598-020-78030-w

Table 3.

Corrosion products reported on Mg and MgAl alloys after atmospheric exposures and their respective O/(Mg + Al) ratios.

Corrosion product O/(Mg + Al) References
MgO 1 15,34
Mg(OH)2 2 44,58
MgAl2(OH)8 2.6 56
Mg6Al2(OH)18·4.5H2O 2.8 58
MgCO3 3 21,56
Mg5(CO3)4(OH)2·4H2O 3.6 51,56,58
(Mg0.833Al0.167)(OH)2(CO3)0.083·0.75H2O 3.7 61
Mg5(CO3)4(OH)2·5H2O 3.8 21,58
Mg2(OH)2CO3·3H2O 4 44
Mg5(CO3)4(OH)2·8H2O 4.4 58
MgCO3·3H2O 6 56