Electrochemical and XPS investigation of the corrosion behavior of Alloy 690 at high-temperature water
作者： Zhengang Duan , Farzin Arjmand , Lefu Zhang , Fanjiang Meng , Hiroaki ABE
DOI: 10.1007/S10008-015-2856-1
关键词:
摘要: The effects of solution temperature, pH, and dissolved oxygen concentration on the electrochemical behavior Alloy 690 in high-temperature water were investigated by potentiodynamic polarization, oxide films developed specimens characterized X-ray photoelectron spectroscopy (XPS). results revealed that deaerated + ETA decreasing temperature pH environment improves passivity film 690. XPS analysis formed after exposing to showed outer layer consists Ni hydroxides, Cr NiFe2O4, while Cr2O3 (Ni x , Fe1 − x ) Cr2O4 form major part inner film.
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