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51316-7478-Electrochemistry of Iron Sulfide and its Galvanic Coupling to Carbon Steel in Sour Aqueous Solution

Picture for Electrochemistry of Iron Sulfide and its Galvanic Coupling to Carbon Steel in Sour Aqueous Solution
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Product Number: 51316-7478-SG
ISBN: 7478 2016 CP
Author: Morten Tjelta|
Publication Date: 2016
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Iron sulphide frequently found on carbon steel under sour conditions is under certain conditions expected to act as a (large area) cathode thereby increasing the corrosion rate of the underlying steel through galvanic coupling. In the present work electrochemical reactions taking place at iron sulphide (FeS) electrodes in the presence of carbonic acid and hydrogen sulphide have been studied using electrochemical techniques (EIS LPR potentiodynamic sweeps) during exposure and physical techniques (XRD SEM) after exposure. Also the effect of galvanic coupling between FeS and steel electrodes has been investigated.
Iron sulphide frequently found on carbon steel under sour conditions is under certain conditions expected to act as a (large area) cathode thereby increasing the corrosion rate of the underlying steel through galvanic coupling. In the present work electrochemical reactions taking place at iron sulphide (FeS) electrodes in the presence of carbonic acid and hydrogen sulphide have been studied using electrochemical techniques (EIS LPR potentiodynamic sweeps) during exposure and physical techniques (XRD SEM) after exposure. Also the effect of galvanic coupling between FeS and steel electrodes has been investigated.
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