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Corrosion behavior of copper T2 and brass H62 in simulated Nansha marine atmosphere
Lu, Xiao; Liu, Yuwei; Liu, Miaoran; Wang, Zhenyao
2019-09-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume35Issue:9Pages:1831-1839
AbstractThe accelerated corrosion behavior of copper T2 and brass H62 exposed in simulated Nansha marine atmosphere for different periods were investigated by weight loss method, SEM. XRD and potentiodynamic polarization measurements. The results indicate that copper T2 and brass H62 underwent severe corrosion, and the final corrosion rates at 32 days of exposure were 0.24 mu m/d and 0.10 mu m/d, respectively. Moreover, the overall corrosion type of copper T2 was uniform and the corrosion products Cu2O and Cu2Cl(OH)(3) played a vital role in the corrosion rate of copper. While the dezincification corrosion with zinc preferential dissolution was obvious in brass H62. The predominant phases were the zinc-rich compounds Zn-5(OH)(8)Cl-2 center dot H2O, Zn-12(SO4)(3)Cl-3(OH)(15)center dot 5H(2)O and NaZn4(SO4)Cl(OH)(6)center dot 6H(2)O. There existed a large number of copper-rich holes with 20-50 pin depth beneath the corrosion product layer. (C) 2019 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordCopper Brass Weight loss Nansha Atmospheric corrosion
Indexed BySCI
Language英语
WOS IDWOS:000475870600004
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80803
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Lu, Xiao,Liu, Yuwei,Liu, Miaoran,et al. Corrosion behavior of copper T2 and brass H62 in simulated Nansha marine atmosphere[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2019,35(9):1831-1839.
APA Lu, Xiao,Liu, Yuwei,Liu, Miaoran,&Wang, Zhenyao.(2019).Corrosion behavior of copper T2 and brass H62 in simulated Nansha marine atmosphere.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,35(9),1831-1839.
MLA Lu, Xiao,et al."Corrosion behavior of copper T2 and brass H62 in simulated Nansha marine atmosphere".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 35.9(2019):1831-1839.
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