Preparation and Properties of Consumable-Elec Trode Vacuum-Arc-Melted Electrolytic Iron

Huber, R. W.

doi:10.21236/ad0404226

Cited by 1 publication

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“…The preparation of the iron ingot was described by Huber (6). The preparation of the iron ingot was described by Huber (6).…”

Section: Methodsmentioning

confidence: 99%

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The Influence of Chloride and Sulfate Ions on the Corrosion of Iron in Sulfuric Acid

Traubenberg

Foley²

1971

J. Electrochem. Soc.

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The influence of chloride and sulfate ions on the corrosion of iron in H2SO4 media at pH near 3 was studied. It was shown that both ions could be either aggressive or not aggressive under definite conditions. Chloride ions accelerate corrosion considerably when the anodic reaction contributes significantly to the over-all kinetics. Sulfate ions accelerate corrosion when the reaction is under cathodic control. Chloride ions decreased the protective action of socalled anodic inhibitors (K2Cr207 and NH2-CH2-CH2-OH) whereas sulfate ions interfere with the action of thiourea, a cathodic inhibitor. The corrosion potential is independent of the chloride concentration but is shifted in the negative direction by sulfate, These observations are interpreted in terms of the properties of Fe-C1-and Fe-SO4 = complexes. The chloride complex serves simply to carry Fe + + away from the metal surface.ABSTRACT Free convection and ionic migration effects are reviewed. Electrolytic free convection is treated theoretically for CuSO4-H2SO4 solutions and for K~Fe (CN) 6-K4Fe (CN) 6 solutions without added electrolyte and with additions of KOH or NaOH. The effect of ionic migration on limiting currents is investigated. The presence of supporting electrolyte lowers the electric field, as in stagnant or forced convective systems. In addition, the concentration distributions of added electrolytes affect the density distribution, hence, the velocity profile in free convection, and, indirectly, the value of the calculated limiting currents.Mass transfer to a vertical surface in free convection and the effect of ionic migration on limiting currents have both been studied extensively. Here, electrolytic systems are treated where both factors enter simultaneously. * Electrochemical Society Active Member.

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“…The preparation of the iron ingot was described by Huber (6). The preparation of the iron ingot was described by Huber (6).…”

Section: Methodsmentioning

confidence: 99%

“…High-purity iron samples of approximately 20 cm 2 area and a thickness of 0.050 cm were used for the experiments. The preparation of the iron ingot was described by Huber (6). The reduced strip was vacuum annealed at 815~ cut into coupons, and finally stress relieved at 500~ for 1 hr.…”

Section: Methodsmentioning

confidence: 99%

The Influence of Chloride and Sulfate Ions on the Corrosion of Iron in Sulfuric Acid

Traubenberg

Foley²

1971

J. Electrochem. Soc.

View full text Add to dashboard Cite

show abstract

Preparation and Properties of Consumable-Elec Trode Vacuum-Arc-Melted Electrolytic Iron

Cited by 1 publication

References 2 publications

The Influence of Chloride and Sulfate Ions on the Corrosion of Iron in Sulfuric Acid

The Influence of Chloride and Sulfate Ions on the Corrosion of Iron in Sulfuric Acid

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