THE EFFECT OF MAGNETIC FIELD AND INHIBITOR ON POLARIZATION BEHAVIOR OF Fe/0.5mol· L~(-1) H_2SO_4 SYSTEMS

J Chin Soc Corr Pro

1997, Vol. 17

Issue (3): 195-202 DOI:

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THE EFFECT OF MAGNETIC FIELD AND INHIBITOR ON POLARIZATION BEHAVIOR OF Fe/0.5mol· L~(-1) H_2SO_4 SYSTEMS

CHEN Junming LU Zhanpeng (Shanghai Institute of Metallurgy; Chinese Academy of Sciences)

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Abstract Polarization curves of Fe/H2SO4, Fe/H2SO4+Na2SO4, Fe/H2SO4+Fe2(SO4)3 and Fe/H2SO4+NaCl systems in the presence of magnetic field or/and inhibitor were measured. Experiments showed that the predominant control of corrosion was the cathodic process and the polarization curves of Fe/H2SO4+Na2SO4 system were nearly the same as those of Fe/H2SO4 system. The individual and combined effects of magnetic field, inhibitor, Cl- and Fe3+ on the cathodic and anodic polarization behavior of Fe/H2SO4 systems were investigated. Formulae for overall current density of hydrogen evolution at cathode of abovementioned systems in the presence of magnetic field and inhibitor were suggested.

Key words: Magnetic field Fe/H2SO4 systems Inhibitor Polarization behavior Hydrogen evolution

Received: 25 June 1997

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CHEN Junming LU Zhanpeng (Shanghai Institute of Metallurgy; Chinese Academy of Sciences). THE EFFECT OF MAGNETIC FIELD AND INHIBITOR ON POLARIZATION BEHAVIOR OF Fe/0.5mol· L~(-1) H_2SO_4 SYSTEMS. J Chin Soc Corr Pro, 1997, 17(3): 195-202.

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1997/V17/I3/195

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