Electrochemical Corrosion Behaviour of Fe3Al/ZrO2 Composites

J Chin Soc Corr Pro

2007, Vol. 27

Issue (5): 263-268 DOI:

Research Report

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Electrochemical Corrosion Behaviour of Fe3Al/ZrO2 Composites

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中国海洋大学材料研究院

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Abstract The experiment was carried out on the systematic contrast of the Fe3Al, Fe3Al(75vol%)/ZrO2 and Fe3Al（50vol%）/ZrO2 samples .With the methods of electrochemical impedance spectroscopy(EIS), polarization and SEM. Through establishing electrical model of the metal/solution and equivalent circuit(EC),it proved that the corrosio resistance of the composites is worse than the single-phase Fe3Al material after immersed in seawater for 1day. however, with the immersion time increasing , the corrosion rate of Fe3Al（50vol%）/ZrO2 sample decreased dramatically because of its special microstructure. finally the corrosion resistance of Fe3Al（50vol%）/ZrO2 was proved to be the best of the three materals.

Key words: Fe3Al/ZrO2 composites EIS seawater corrosion

Received: 03 March 2006

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;. Electrochemical Corrosion Behaviour of Fe3Al/ZrO2 Composites. J Chin Soc Corr Pro, 2007, 27(5): 263-268 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2007/V27/I5/263

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