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The relationship between microstructure and corrosion behaviors of Mg-3Y-xNd alloys (x=0.5, 1.0, 1.5 wt%)
Jiang, Q. -T.; Li, J. -R.; Ma, X. -M.; Li, Y. -T.; Hou, B. -R.
2016-08-01
发表期刊MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION
卷号67期号:8页码:876-881
文章类型Article
摘要Mg-3Y-xNd (x = 0.5, 1.0, 1.5wt%) alloys were investigated to reveal relationship between the microstructure and corrosion resistance. The microstructure and precipitated phases were analyzed by optical microscope (OM), scanning electron microscope (SEM), energy dispersive spectrometer (EDS), and X-ray diffraction (XRD). The volume fraction of Mg14Y2Nd phase increased with the addition of Nd-content, whereas the Mg-3(Y,Nd) phase decreased. The electrochemical corrosion current density decreased from 723.14 mu A.cm(-2) to 297.55 mu A.cm(-2). The open circuit potential (OCP) and electrochemical impedance spectroscopy (EIS) confirmed that Mg-3Y-1.5Nd was the best corrosion resistant alloy, which showed the largest mechanical strength after salt spray. The results indicated that type and amount of precipitated phases played an important role in the corrosion properties. This research is expected to provide a guiding insight into developing the Mg-Y-Nd alloy.
DOI10.1002/maco.201508741
收录类别SCI
语种英语
WOS记录号WOS:000383643000010
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/337002/136224
专题海洋腐蚀与防护研究发展中心
作者单位Chinese Acad Sci, Inst Oceanol, Marine Corros & Protect Ctr, 7 Nanhai Rd, Qingdao 266071, Peoples R China
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GB/T 7714
Jiang, Q. -T.,Li, J. -R.,Ma, X. -M.,et al. The relationship between microstructure and corrosion behaviors of Mg-3Y-xNd alloys (x=0.5, 1.0, 1.5 wt%)[J]. MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,2016,67(8):876-881.
APA Jiang, Q. -T.,Li, J. -R.,Ma, X. -M.,Li, Y. -T.,&Hou, B. -R..(2016).The relationship between microstructure and corrosion behaviors of Mg-3Y-xNd alloys (x=0.5, 1.0, 1.5 wt%).MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,67(8),876-881.
MLA Jiang, Q. -T.,et al."The relationship between microstructure and corrosion behaviors of Mg-3Y-xNd alloys (x=0.5, 1.0, 1.5 wt%)".MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION 67.8(2016):876-881.
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