Thermodynamics of Chemical and Electrochemical
Stability of Corrosion Active Nonmetal Inclusions

A. G. Tyurin^a, I. Yu. Pyshmintsev^b, I. V. Kostitsyna^b, and I. M. Zubkova^b

^aChelyabinsk State University, ul. Br. Kashirinykh 129, Chelyabinsk, 454021 Russia

^bOAO RosNITI, ul. Novorossiiskaya 30, Chelyabinsk, 454139 Russia

Received April 19, 2006

Abstract—Diagrams potential–pH are plotted for different phase components of corrosive nonmetal inclusions
in steels in sulfide-containing media at 25°C, 1 atm (air), and a_i = 10³ mol/l. Thermodynamic peculiarities of
their corrosion and electrochemical behavior are analyzed.

PACS numbers: 81.65.Kn

DOI: 10.1134/S0033173207010043

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