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WANG Lei, CHENG Xue-qun, LI Xiao-gang. Influence of Fe3+ on Corrosion Behavior of TC4 in Sulphuric Acid Solutions[J]. Corrosion & Protection, 2014, 35(3): 201-204.
Citation: WANG Lei, CHENG Xue-qun, LI Xiao-gang. Influence of Fe3+ on Corrosion Behavior of TC4 in Sulphuric Acid Solutions[J]. Corrosion & Protection, 2014, 35(3): 201-204.
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Influence of Fe3+ on Corrosion Behavior of TC4 in Sulphuric Acid Solutions

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  • Received Date: May 20, 2013
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  • The corrosion behaviour of titanium alloy TC4 in 44.6% sulphuric acid solutions with various concentrations of Fe3+, was studied by immersion tests, potentiodynamic polarization curves and electrochemical impedance spectroscopy. The results showed that when the concentration of Fe3+ reached 0.005 mol/L in 44.6% sulphuric acid solution, the corrosion rate of TC4 droped from 1.0 × 103 μm/a to 1.0 μm/a.The cathodic process of the corrosion reaction was suppressed, the corrosion potential shifted to positive, and the corrosion resistance of TC4 was enhanced obviously.
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    • References (11)
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