Corrosion Behaviour of T92 Steel in NaCl Solution

被引：9

作者：

Long, Yi ^{[1
,2
]}

Feng, Chao ^{[1
,2
]}

Peng, Bicao ^{[1
,2
]}

Xie, Yi ^{[1
,2
]}

Wang, Jun ^{[1
,2
]}

Zhang, Minghua ^{[3
]}

Wu, Yuanhui ^{[4
]}

Wu, Tangqing ^{[3
]}

Yin, Fucheng ^{[3
]}

机构：

[1] State Grid Hunan Elect Power Co, Elect Power Res Inst, Changsha 410007, Hunan, Peoples R China

[2] Hunan Xiangdian Boiler & Pressure Vessel Inspect, Changsha 410001, Hunan, Peoples R China

[3] Xiangtan Univ, Key Lab Mat Design & Preparat Technol Hunan Prov, Xiangtan 411105, Peoples R China

[4] Zunyi Normal Coll, Sch Chem & Chem Engn, Zunyi 563002, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2017年 / 12卷 / 06期

基金：

中国国家自然科学基金;

关键词：

T92; salt spray test; electrochemical impedance spectroscopy (EIS); scanning electron microscope (SEM); pitting; HIGH STRENGTH STEEL; CRACKING BEHAVIOR; STRESS; OXIDATION; HYDROGEN; ALLOYS;

D O I：

10.20964/2017.06.13

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

In the paper, the effects of NaCl on the corrosion behaviour of T92 steel at room temperature were studied by neutral salt spray test, electrochemical technology and scanning electron microscope. The results show that the corrosion rate of T92 steel continuously increase with the NaCl concentration during the neutral salt spray tests. NaCl promotes the anodic process rather than the cathodic process of the T92 steel in solution. In NaCl solutions with low concentrations, T92 steel undergoes uniform corrosion, wheres its corrosion behaviour will develop into pitting as the concentration of NaCl increase. The formation and development mechanism for the corrosion pitting are also discussed in the paper.

引用

页码：5104 / 5120

页数：17

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