The Effects of Temperature on the Chemical Oxidation
of AMg-3 Alloy in Molybdate-Containing Solutions

S. V. Oleinik, E. M. Malygina, and Yu. M. Zimina

Frumkin Institute of Physical Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991 Russia
E-mail: oleynik@ipc.rssi.ru

Received September 27, 2006

Abstract—It is shown that protective conversion coatings (CC), which are resistive to pitting corrosion and
chloride-containing media, are formed on an AMg-3 alloy in molybdate-containing solutions within a temper-
ature range from 60 to 80°C. The dependence of the composition and the thickness of the CC film on the oxi-
dation temperature are established. The effects of the complexone added to the IFKhANAL-1 conversion solu-
tion on the composition, thickness, and the protective properties of CC, as well as the role of the complexone,
in the film-formation processes are studied.

DOI: 10.1134/S0033173207070107

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