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Corrosion behaviour of AZ80 Mg/beryllium-bronze-alloy galvanic couples in typical marine environment
Jiang, Q.1; Ma, X.1; Li, Y.1; Zhang, K.2; Li, X.2; Hou, B.1
2016
发表期刊MATERIALS SCIENCE AND TECHNOLOGY
卷号32期号:15页码:1613-1618
文章类型Article
摘要A high-strength AZ80 Mg alloy was prepared via multi-direction forge, thermal extrusion and peakaged heat treatment. The corrosion behaviour of AZ80 Mg/beryllium-bronze-alloy galvanic couples in a typical marine environment was investigated. Beryllium-bronze alloy (QBe1.7 Cu) acted as cathode, accelerating the corrosion of AZ80 Mg alloy. With the increase in contact areas, the corrosion rates and galvanic effect also increased, and the galvanic potentials moved positively. However, with a prolonged exposure time, the galvanic potentials and current densities decreased. The corrosion products mainly consisted of MgCl2, Mg-5(CO3) 4(OH)(2)center dot 5H(2)O and MgSO4 center dot 7H(2)O. According to the standard of galvanic corrosion sensitivity from the Air Force Materials Laboratory (AFML), AZ80 Mg alloy was not allowed to make contact with QBe1.7 Cu alloy without effective protection.
关键词Az80 Mg Alloy Qbe1.7 Cu Alloy Galvanic Corrosion Marine Environment
DOI10.1080/02670836.2015.1133484
收录类别SCI
语种英语
WOS记录号WOS:000384474600009
引用统计
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/135893
专题海洋腐蚀与防护研究发展中心
海洋环流与波动重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Marine Corros & Protect Ctr, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Gen Res Inst Nonferrous Met, State Key Lab Nonferrous Met & Proc, Beijing 100088, Peoples R China
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GB/T 7714
Jiang, Q.,Ma, X.,Li, Y.,et al. Corrosion behaviour of AZ80 Mg/beryllium-bronze-alloy galvanic couples in typical marine environment[J]. MATERIALS SCIENCE AND TECHNOLOGY,2016,32(15):1613-1618.
APA Jiang, Q.,Ma, X.,Li, Y.,Zhang, K.,Li, X.,&Hou, B..(2016).Corrosion behaviour of AZ80 Mg/beryllium-bronze-alloy galvanic couples in typical marine environment.MATERIALS SCIENCE AND TECHNOLOGY,32(15),1613-1618.
MLA Jiang, Q.,et al."Corrosion behaviour of AZ80 Mg/beryllium-bronze-alloy galvanic couples in typical marine environment".MATERIALS SCIENCE AND TECHNOLOGY 32.15(2016):1613-1618.
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