Electrochemical corrosion behavior of bronze materials in an acid-containing simulated atmospheric environment

被引：11
|
作者：
Cai, Lankun [1 ]
Chen, Mengjie [1 ]
Wang, Ying [1 ]
Chen, Cheng [1 ]
Zhang, Lehua [1 ,2 ]
Zhou, Hao [3 ]
Wu, Laiming [3 ]
Yan, Ying [1 ]
机构：
[1] East China Univ Sci & Technol, State Environm Protect Key Lab Environm Risk Asse, Coll Resources & Environm Engn, Shanghai 200237, Peoples R China
[2] Shanghai Inst Pollut Control & Ecol Secur, Shanghai, Peoples R China
[3] Shanghai Museum, Shanghai, Peoples R China
来源：
MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION | 2020年 / 71卷 / 03期
关键词：
acetic acid; bronze; corrosion; formic acid; thin electrolyte layers; ACETIC-ACID; IMPEDANCE SPECTROSCOPY; COPPER; MAGNESIUM; STEEL; ALLOY; DC;
D O I：
10.1002/maco.201911196
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present work investigates the corrosion behavior of bronze materials under thin electrolyte layers (TELs) in a simulated atmospheric environment containing formic and acetic acid by electrochemical measurements as well as surface characterization. The results show that the corrosion of bronze under TEL is significantly faster than that in the bulk solution, and the corrosion rate of bronze is the highest when the thickness of TEL is about 100 mu m. Formic acid is observed to be more corrosive than acetic acid. Copper formate and copper acetate hydrate appear in the corrosion products formed on the surface of bronze, suggesting that the organic acid participates in the corrosion process of bronze materials in the simulated atmospheric environment.
引用
收藏
页码：464 / 473
页数：10
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