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Effects of lanthanum addition on corrosion resistance of hot-dipped galvalume coating
Alternative TitleEffects of lanthanum addition on corrosion resistance of hot-dipped galvalume coating
Yang Dong; Chen Jianshe; Han Qing; Liu Kuiren
2009
Source PublicationJOURNAL OF RARE EARTHS
ISSN1002-0721
Volume27Issue:1Pages:114-118
AbstractEffects of La addition on corrosion resistance of hot-dipped galvalume coating steel wire were investigated. The corrosion resistance of Zn-Al-Si-La alloy coatings containing 0, 0.02wt.%, 0.05wt.%, 0.1wt.% and 0.2wt.% La were evaluated by various tests such as copper-accelerated acetic acid salt spray testing (CASS), immersion test in 3.5% NaCl solution, electrochemical tests including weak polarization curves and electrochemical impedance spectroscopy (EIS) tests, scanning electron microscope (SEM) test and X-ray diffraction (XRD) test. It was found that the corrosion resistance of galvalume coating could be improved by adding proper amounts of La. Meanwhile, the mechanism of the improvement of corrosion resistance by La addition was discussed.
Other AbstractEffects of La addition on corrosion resistance of hot-dipped galvalume coating steel wire were investigated. The corrosion resistance of Zn-Al-Si-La alloy coatings containing 0, 0.02wt.%, 0.05wt.%, 0.1wt.% and 0.2wt.% La were evaluated by various tests such as copper-accelerated acetic acid salt spray testing (CASS), immersion test in 3.5% NaCl solution, electrochemical tests including weak polarization curves and electrochemical impedance spectroscopy (EIS) tests, scanning electron microscope (SEM) test and X-ray diffraction (XRD) test. It was found that the corrosion resistance of galvalume coating could be improved by adding proper amounts of La. Meanwhile, the mechanism of the improvement of corrosion resistance by La addition was discussed.
KeywordELECTROCHEMICAL IMPEDANCE SPECTROSCOPY NACL AQUEOUS-SOLUTION PVD COATED STEELS RARE-EARTH BEHAVIOR ALLOY EIS MICROSTRUCTURE lanthanum galvalume coating weight loss weak polarization curves electrochemical impedance spectroscopy rare earths
Indexed ByCSCD
Language英语
CSCD IDCSCD:3549784
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/157203
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
Yang Dong,Chen Jianshe,Han Qing,et al. Effects of lanthanum addition on corrosion resistance of hot-dipped galvalume coating[J]. JOURNAL OF RARE EARTHS,2009,27(1):114-118.
APA Yang Dong,Chen Jianshe,Han Qing,&Liu Kuiren.(2009).Effects of lanthanum addition on corrosion resistance of hot-dipped galvalume coating.JOURNAL OF RARE EARTHS,27(1),114-118.
MLA Yang Dong,et al."Effects of lanthanum addition on corrosion resistance of hot-dipped galvalume coating".JOURNAL OF RARE EARTHS 27.1(2009):114-118.
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