Thermodynamic Evaluation of Electrochemical Stability of Me – Si Systems (Me = 4th Row Transition Metal)
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https://elib.sfu-kras.ru/handle/2311/19758Author:
Nikolaychuk, Pavel A.
Николайчук, П.А.
Date:
2015-06Abstract:
This paper aims to review the studies of electrochemical properties of Me – Si binary systems for
scandium, titanium, molybdenum, manganese, iron, cobalt, nickel, copper and zinc from the point of
view of chemical thermodynamics. The binary phase diagrams of Me – Si and Me – O systems were
considered and thermodynamic properties of metals silicides and oxides at standard conditions were
collected. The potential – pH diagrams of Me – Si – H2O systems at 25 ºC, air pressure of 1 bar and
activities of ions in solution equal to 1 mol l–1were plotted. The corrosion-electrochemical behavior of
studying systems was discussed Статья представляет собой обзор исследований электрохимических свойств двойных систем
Me – Si для скандия, титана, молибдена, марганца, железа, кобальта, никеля, меди и цинка с
точки зрения химической термодинамики. Рассмотрены двойные фазовые диаграммы систем
Me – Si и Me – O, собраны термодинамические свойства силицидов и оксидов металлов в
стандартных условиях. Построены диаграммы потенциал – рН систем Me – Si – H2O при
25 ºC, давлении воздуха 1 бар и активностях ионов в растворе, равных 1 моль/л. Обсуждается
коррозионно-электрохимическое поведение исследуемых систем
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