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Effect of sulfuric acid concentration on corrosion behavior of Al0.1CoCrFeNi high-entropy alloy

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Effect of sulfuric acid concentration on corrosion behavior of Al0.1CoCrFeNi high-entropy alloy. / Sun, Y.; Lan, A.; Wang, Z. et al.
In: Journal of physics and chemistry of solids, Vol. 161, 110397, 28.02.2022.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Sun, Y, Lan, A, Wang, Z, Zhang, M & Qiao, J 2022, 'Effect of sulfuric acid concentration on corrosion behavior of Al0.1CoCrFeNi high-entropy alloy', Journal of physics and chemistry of solids, vol. 161, 110397. https://doi.org/10.1016/j.jpcs.2021.110397

APA

Sun, Y., Lan, A., Wang, Z., Zhang, M., & Qiao, J. (2022). Effect of sulfuric acid concentration on corrosion behavior of Al0.1CoCrFeNi high-entropy alloy. Journal of physics and chemistry of solids, 161, Article 110397. https://doi.org/10.1016/j.jpcs.2021.110397

Vancouver

Sun Y, Lan A, Wang Z, Zhang M, Qiao J. Effect of sulfuric acid concentration on corrosion behavior of Al0.1CoCrFeNi high-entropy alloy. Journal of physics and chemistry of solids. 2022 Feb 28;161:110397. Epub 2021 Sept 28. doi: 10.1016/j.jpcs.2021.110397

Author

Sun, Y. ; Lan, A. ; Wang, Z. et al. / Effect of sulfuric acid concentration on corrosion behavior of Al0.1CoCrFeNi high-entropy alloy. In: Journal of physics and chemistry of solids. 2022 ; Vol. 161.

Bibtex

@article{196fe399211d4abba83af70fda722ef9,
title = "Effect of sulfuric acid concentration on corrosion behavior of Al0.1CoCrFeNi high-entropy alloy",
abstract = "The influence of H2SO4 solution concentration on the corrosion behavior of as-cast Al0.1CoCrFeNi high-entropy alloys (HEAs) is investigated. The potentiodynamic polarization curves of the Al0.1CoCrFeNi HEA exhibit excellent corrosion resistance and a wide passive region (ΔE > 1150 mV) in acid solutions. The samples show a spontaneous passivation behavior in low-concentration (0.1, 0.2 and 0.3 M) and two anodic active–passive peaks in high-concentration (0.5 and 1.0 M) H2SO4 solutions. The morphology investigation by scanning electron microscopy suggests that selective corrosion is initiated from the inter-dendrite regions. The X-ray photoelectron spectroscopy results demonstrate that the observed passive behavior variation is associated with chemical composition change of the passive films.",
author = "Y. Sun and A. Lan and Z. Wang and M. Zhang and J. Qiao",
year = "2022",
month = feb,
day = "28",
doi = "10.1016/j.jpcs.2021.110397",
language = "English",
volume = "161",
journal = "Journal of physics and chemistry of solids",
issn = "0022-3697",
publisher = "PERGAMON-ELSEVIER SCIENCE LTD",

}

RIS

TY - JOUR

T1 - Effect of sulfuric acid concentration on corrosion behavior of Al0.1CoCrFeNi high-entropy alloy

AU - Sun, Y.

AU - Lan, A.

AU - Wang, Z.

AU - Zhang, M.

AU - Qiao, J.

PY - 2022/2/28

Y1 - 2022/2/28

N2 - The influence of H2SO4 solution concentration on the corrosion behavior of as-cast Al0.1CoCrFeNi high-entropy alloys (HEAs) is investigated. The potentiodynamic polarization curves of the Al0.1CoCrFeNi HEA exhibit excellent corrosion resistance and a wide passive region (ΔE > 1150 mV) in acid solutions. The samples show a spontaneous passivation behavior in low-concentration (0.1, 0.2 and 0.3 M) and two anodic active–passive peaks in high-concentration (0.5 and 1.0 M) H2SO4 solutions. The morphology investigation by scanning electron microscopy suggests that selective corrosion is initiated from the inter-dendrite regions. The X-ray photoelectron spectroscopy results demonstrate that the observed passive behavior variation is associated with chemical composition change of the passive films.

AB - The influence of H2SO4 solution concentration on the corrosion behavior of as-cast Al0.1CoCrFeNi high-entropy alloys (HEAs) is investigated. The potentiodynamic polarization curves of the Al0.1CoCrFeNi HEA exhibit excellent corrosion resistance and a wide passive region (ΔE > 1150 mV) in acid solutions. The samples show a spontaneous passivation behavior in low-concentration (0.1, 0.2 and 0.3 M) and two anodic active–passive peaks in high-concentration (0.5 and 1.0 M) H2SO4 solutions. The morphology investigation by scanning electron microscopy suggests that selective corrosion is initiated from the inter-dendrite regions. The X-ray photoelectron spectroscopy results demonstrate that the observed passive behavior variation is associated with chemical composition change of the passive films.

U2 - 10.1016/j.jpcs.2021.110397

DO - 10.1016/j.jpcs.2021.110397

M3 - Journal article

VL - 161

JO - Journal of physics and chemistry of solids

JF - Journal of physics and chemistry of solids

SN - 0022-3697

M1 - 110397

ER -