Simultaneous Phosphatizing of Steel, Galvanized Steel, and Aluminum

D. V. Mazurova^a, N. S. Grigoryan^a, E. F. Akimova^b, A. A. Abrashov^a,  T. A. Vagramyan^a, and V. I. Kharlamov^a

^a Mendeleev University of Chemical Technology, Miusskaya pl. 9, Moscow, 125190 Russia

^b Scientific Research Institute of Paint Coatings with Pilot Victoria Machine-Building Plant,
Khot’kovo, Moscow Region, Russia

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Received November 17, 2008

Abstract — A phosphatizing solution is developed for the joint treatment of steel, galvanized steel, and aluminum that allows one to obtain adhesion crystalline phosphate layers (with masses of 2.5–2.8 g/m²) that are suitable for further cataphoretic staining at a temperature of 45–55°C.