Analysis of the Structure and Anticorrosion Properties of Oxide Coatings on AISI 304 Steel

Shtefan, V. V.; Kanunnikova, N. O.; Goncharenko, T. Ye.

doi:10.1007/s11003-021-00539-w

Cited by 2 publications

(1 citation statement)

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“…This protective film is usually formed as a result of the interaction of the surface layer of steel with oxygen, acids and salts. Special requirements are often placed on the composition of the oxide film, such as corrosion resistance, high temperature oxidation resistance, and the like [4,5].…”

Section: Introductionmentioning

confidence: 99%

ELECTRODEPOSITION OF CHROMOXIDE COATINGS FROM ELECTROLYTES MODIFIED WITH SiO2·nH2O

Shtefan¹,

Balamut²,

Kanunnikova³

et al. 2022

Problems of Atomic Science and Technology

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To increase the corrosion resistance of stainless steel from local types of corrosion, chromium oxide coatings obtained from electrolytes modified with SiO2·nH2O were applied to its surface. It has been established that the coatings obtained from the electrolyte with the addition of SiO2·nH2O are continuous, without cracks, and finely crystalline compared to the coating obtained from the base electrolyte. Elemental analysis did not show the presence of silicon in the composition of the coating obtained from the modified SiO2·nH2O electrolyte, however, it showed the presence of a larger amount of chromium compared to the coating obtained from the base electrolyte. On the polarization curves, there is a complication of the release of hydrogen at the cathode and oxygen at the anode, which indicates a decrease in the electrical conductivity of the obtained coatings. The results obtained make it possible to recommend the use of SiO2·nH2O additives to the electrolyte to obtain chromium oxide coatings on steel with enhanced corrosion protection properties.

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Section: Introductionmentioning

confidence: 99%