THE EFFECT OF STRONG MAGNETIC FIELD ON CORROSION BEHAVIOR OF IRON

J Chin Soc Corr Pro

1994, Vol. 14

Issue (2): 123-128 DOI:

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THE EFFECT OF STRONG MAGNETIC FIELD ON CORROSION BEHAVIOR OF IRON

Wang Chen; Chen Junming(Shanghai Institute of Metallurpy; Chinese Academy of Sciences)

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Abstract Cathodic process of iron in three typical solutions and anodic process of iron in two typical solutions were studied in the presence of magnetic field of 0.5T (tesla) at 23 ℃ Polarization curves for hydrogen evolution and iron dissolution during magnetization were measured. The experimental results indicate that both hydrogen evolution and iron dissolution were more or less accelerated by additional magnetic overpotential-- △φmag and the phenomenon is more evident in acidic solution. This could be attributed to the reduction of diamagnetic ion hydrate on the iron/solution interface and the adsorption of Fe2+ on the iron surface, which are responsible for the change of electric double layer structure and the increase of activity in the corrosion system.

Key words: Magnetic field anodic process of iron catholic processt magnetic overpotential

Received: 25 April 1994

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Wang Chen; Chen Junming(Shanghai Institute of Metallurpy; Chinese Academy of Sciences). THE EFFECT OF STRONG MAGNETIC FIELD ON CORROSION BEHAVIOR OF IRON. J Chin Soc Corr Pro, 1994, 14(2): 123-128.

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1994/V14/I2/123

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