Effect of Cu and Ni on sulfide film formation and corrosion behavior of pressure vessel steel in acid sour environment

Sung Jin Kim,Hwan Gyo Jung,Gyu Tae Park,Kyoo Young Kim

Applied Surface Science（2014）

引用 13|浏览2

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摘要

•Corrosion and HIC resistance of the steel in sour environment are investigated.•Numerical curve-fitting with Wagner-Traud equation to polarization data is performed.•Various kinetic parameters relating to the sour corrosion are determined accurately.•The sulfide film formed on the surface of Cu and Ni bearing steel has smaller cracks.•Cu and Ni bearing steel exhibits lower corrosion rate and higher HIC resistance.

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关键词

Pressure vessel steel,Corrosion,Iron sulfide,Sour environment,Polarization test,Hydrogen induced cracking

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