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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
Source PublicationMATERIALS SCIENCE AND TECHNOLOGY
Volume32Issue:15Pages:1613-1618
SubtypeArticle
AbstractA 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.
KeywordAz80 Mg Alloy Qbe1.7 Cu Alloy Galvanic Corrosion Marine Environment
DOI10.1080/02670836.2015.1133484
Indexed BySCI
Language英语
WOS IDWOS:000384474600009
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/135893
Collection海洋环境腐蚀与与生物污损重点实验室
海洋环流与波动重点实验室
Affiliation1.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
First Author AffilicationKey Laboratory of Marine Environmental Corrosion and Bio-fouling, IOCAS
Recommended Citation
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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