Effects of Trace Cl-, Cu2+ and Fe3+ Ions on the Corrosion Behaviour of AA6063 in Ethylene Glycol and Water Solutions

被引：4
|
作者：
Fan, Lei [1 ]
Zhang, Juantao [1 ]
Wang, Hao [2 ]
Liu, Yang [2 ]
Cui, Yu [3 ]
Wang, Cheng [3 ]
Liu, Rui [3 ,4 ]
Xu, Dongxiao [2 ]
机构：
[1] CNPC Tubular Goods Res Inst, State Key Lab Performance & Struct Safety Petr Tu, Xian 710077, Peoples R China
[2] 1 Gas Prod Plant Changqing Oilfield Co, Jingbian 718500, Peoples R China
[3] Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China
[4] Northeastern Univ, Shenyang Natl Lab Mat Sci, Sch Mat Sci & Engn, Shenyang 110819, Peoples R China
来源：
ACTA METALLURGICA SINICA-ENGLISH LETTERS | 2022年 / 35卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Aluminium; Polarization; Weight loss; Pitting corrosion; ELECTROCHEMICAL-BEHAVIOR; PITTING CORROSION; ALUMINUM-ALLOYS; LOCALIZED CORROSION; METAL-CATIONS; AL-ALLOY; CHLORIDE; DISSOLUTION; INHIBITION; PARTICLES;
D O I：
10.1007/s40195-021-01237-x
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The effects of Cl-, Cu2+ and Fe3+ ions and their combinations on the corrosion behaviour of aluminium alloy 6063 (AA6063) in ethylene glycol and water solutions at 50 degrees C were investigated by electrochemical and immersion methods. Cl- resulted in pitting corrosion of the alloy. In the Cl--free solutions, Fe3+ was prone to accelerate uniform corrosion, while Cu2+ tended to accelerate pitting corrosion. Severe pitting corrosion of AA6063 was observed in the cases of Cl- combined with Cu2+ or Fe3+, especially in the case of Cl- combined with Cu2+ and Fe3+ ions.
引用
收藏
页码：285 / 303
页数：19
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