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| CORROSION BEHAVIOR OF Fe-10Cr NANOCRYSTALLINE COATINGS Ⅱ.CORROSION BEHAVIOR OF Fe-10Cr NANOCRYSTALLINE COATINGS IN ACIDIC SOLUTION WITH Cl- |
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| 哈尔滨工程大学材料科学与化学工程学院 |
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Cite this article:
. CORROSION BEHAVIOR OF Fe-10Cr NANOCRYSTALLINE COATINGS Ⅱ.CORROSION BEHAVIOR OF Fe-10Cr NANOCRYSTALLINE COATINGS IN ACIDIC SOLUTION WITH Cl-. J Chin Soc Corr Pro, 2007, 27(1): 43-47 .
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Abstract The corrosion behavior of Fe-10Cr sputtering coating with nanoscale grain size was investigated in 0.05 mol/L H2SO4+0.5 mol/L NaCl aqueous solution using polarization curves,EIS and Mott-Schottky analysis.The results indicated that the chemical stability and repassive ability of passive film formed on Fe-10Cr nc coating was apparently improved.The passive films on both Fe-10Cr nc coating and cast alloy have p-type semiconducting behavior.The lower acceptor density and flat-band potential of the passive film in comparison with Fe-10Cr cast alloy lead to the high chemical stability and repassive ability for the passive film on the sputtering coating.
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Received: 26 July 2005
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