Determining the Integral Dissolution Rate of Two-Phase Alloys in Cryolite
Alumina Melts
A. Yu. Filatov,* E. V. Antipov,* M. I. Borzenko,* S. Yu. Vasil’ev,* V. M. Denisov,*** V. V. Ivanov,** S. M. Kazakov,* Z. V. Kuz’minova,* V. K. Laurinavichyute,* V. V. Lunin,* D. A. Simakov,** and V. I. Shtanov*
* Chemistry Department, M.V. Lomonosov Moscow State University, Moscow, 119991 Russia
** RUS-Engineering Ltd., ul. Pogranichnikov 37, Krasnoyarsk, 660111 Russia
*** Krasnoyarsk State University, pr. Svobodnyi 79, Krasnoyarsk, 660041 Russia
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Received November 20, 2007
Abstract — Electron microscopy and x-ray diffraction analysis are used in studying Cu–Fe and Ni–Fe–Al alloys upon their anodic polarization in a cryolite–alumina melt, thus, clarifying the regularities of their dissolution and the formation of oxide coatings. Based on the results obtained, a technique of determining the integral corrosion rate of the alloys is proposed.
PACS numbers: 82.45.Bb