Effect of Corrosion Temperature on the Corrosion of Q235 Steel and 16Mn Steel in Sodium Aluminate Solutions

Quan, Bianli; Li, Junqi; Chen, Chaoyi

doi:10.1021/acsomega.1c02220

Cited by 10 publications

(6 citation statements)

References 28 publications

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“…Much attention is constantly paid to the study of metal corrosion processes. This is evidenced by a large number of new articles [5][6][7][8][9][10]. Work is underway both to study the corrosion process of carbon steels [5][6][7] and martensitic steels [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

“…This is evidenced by a large number of new articles [5][6][7][8][9][10]. Work is underway both to study the corrosion process of carbon steels [5][6][7] and martensitic steels [8][9][10]. The main methods for studying corrosion processes include electrochemical research methods [5,6,10] and electron and optical microscopy [5,6].…”

Section: Introductionmentioning

confidence: 99%

“…Work is underway both to study the corrosion process of carbon steels [5][6][7] and martensitic steels [8][9][10]. The main methods for studying corrosion processes include electrochemical research methods [5,6,10] and electron and optical microscopy [5,6]. A number of works have proposed new research methods [6,7].…”

Section: Introductionmentioning

confidence: 99%

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Reason of Pitting Corrosion of Martensitic Steelin Sea Water

Baikenov

2024

Eurasian phys. tech. j.

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Abstract. The assumption that corrosion of products from X17 martensitic stainless steel in seawater occurs due to incomplete oxidation of chromium atoms in cells on the surface of the products is made in the presented work. Incomplete oxidation of chromium atoms occurs in the cells of X17 steel. This is due to the fact that oxygen molecules at temperatures up to 350 °C not having enough energy for chemical interaction with trivalent chromium atoms entering the cubic body-centeredcells of martensitic stainless steel. There is a significant decrease in the corrosion rate after placing X17 stainless steel products in 5% iodine solution in ethanol after pre-treatment of the product surface with active forms of oxygen. The treatment was carried out during 12 hours with chemically active forms of oxygen (ozone and singlet oxygen) at a temperature of 350 °С. Most of the chromium atoms on the surface of X17 steel samples were completely oxidized as a result of 12 hours exposure to highly active forms of oxygen. The density of the oxide passivation layer on the surface of the products increased significantly as a result of the formation of new bonds CHROMIUM -OXYGEN -CHROMIUM. This resulted in increased corrosion resistance. The rate of interaction with an alcohol solution containing halogen ions was reduced by 71% for the samples with the oxide passivation layer compared to samples of untreated X17 steel.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Reason of Pitting Corrosion of Martensitic Steelin Sea Water

Baikenov

2024

Eurasian phys. tech. j.

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“…Temperature increase directly results in a higher corrosion rate of steels, accounting for faster electrochemical reactions due to additional energy input at relatively higher temperatures 33 .…”

Section: Introductionmentioning

confidence: 99%

Enhanced Electrochemical and Corrosion Behavior of Amorphous 316-type Stainless Steel Microfibers in Saline Environment

Sarac

Sharifikolouei

Zheng

et al. 2023

Preprint

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The resistance of commercial stainless steel (SS) types in harsh environments is problematic because of the breakdown of the passive chromium oxide layer. This study reports fully amorphized 316 SS microfibers using a customized multi-nozzled melt-spinning technique. Electrochemical tests in 3.5 wt.% NaCl shows a high corrosion resistance with an annual corrosion rate of less than 60 µm year–1 under ambient conditions, which increases slightly as the temperature rises to 50°C. The room temperature sample also shows a low passivation current at the level of 10–4 A cm–2 with long-term stability, and no pitting is observed for all the samples until 1.5 V. The sample polarized at 37°C shows the smallest bulk resistance (~ 1400 Ω cm2) and the largest double-layer capacitance (28.6 µF cm–2), where large amounts of salt accumulation on the surface creating a passive layer on the microfibers were detected by energy dispersive X-ray (EDX)–scanning electron microscopy. Cross-sectional investigation by EDX-scanning transmission electron microscopy corroborates the homogenous bulk composition and Fe-rich, Ni and Cr-containing amorphous oxides, both of which contribute to the enhanced corrosion and passivation properties compared to commercial SS counterparts in the literature.

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“…[ 13,14 ] Ma et al [ 15 ] studied the effect of the cooling temperature on the microstructure and corrosion behavior of X80 pipeline steel, where the highest corrosion resistance in simulated seawater was observed for a cooling temperature of 700°C. Quan et al [ 16 ] studied the effect of the corrosion temperature on the corrosion of Q235 steel and 16 Mn steel in a sodium aluminate solution using weight loss and electrochemical methods. The corrosion rates of the two steels exhibited an increasing trend in the temperature.…”

Section: Introductionmentioning

confidence: 99%

Influence of corrosion behavior of X80 steel in silty soil containing composite sodium salt based on orthogonal test

Wang

Han

Sun

et al. 2022

Materials & Corrosion

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The corrosion law of X80 steel in silty soils with different contents of sodium chloride and sodium sulfate is studied at different temperatures by using an orthogonal test group of three factors and three levels L9 (34) in conjunction with the results of electrochemical impedance spectroscopy, polarization curve, and microscopic images. The steel corrosion rate increases with the silty soil temperature. The presence of SO42− in silty soil inhibits corrosion in X80 steel. The corrosion mechanism involves competition between Cl− and SO42− for adsorption sites: SO42− ions occupy some corrosion pits, and FeS and other corrosion products are generated and adhere to the surface of the corrosion pits, inhibiting further reaction. A range analysis of the fitted electrochemical impedance spectra and polarization curves of X80 steel shows that the temperature has the strongest effect on the corrosion of X80 steel, followed by the Cl− content, whereas the SO42− content has the least effect. The lowest corrosion rate is found for a silty soil Cl− content of 0.3%, a SO42− content of 2.0%, and a temperature of −20°C.

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Effect of Corrosion Temperature on the Corrosion of Q235 Steel and 16Mn Steel in Sodium Aluminate Solutions

Cited by 10 publications

References 28 publications

Reason of Pitting Corrosion of Martensitic Steelin Sea Water

Reason of Pitting Corrosion of Martensitic Steelin Sea Water

Enhanced Electrochemical and Corrosion Behavior of Amorphous 316-type Stainless Steel Microfibers in Saline Environment

Influence of corrosion behavior of X80 steel in silty soil containing composite sodium salt based on orthogonal test

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