First-Principles Investigation on Work Function of Martensitic Carbon Steels: Effect of Interstitial Carbon on Anodic Dissolution Resistance

Mariko Kadowaki; Arkapol Saengdeejing; Izumi Muto; Ying Chen; Takashi Doi; Kaori Kawano; Yu Sugawara; Nobuyoshi Hara

doi:10.1149/1945-7111/ac3276

First-Principles Investigation on Work Function of Martensitic Carbon Steels: Effect of Interstitial Carbon on Anodic Dissolution Resistance

Mariko Kadowaki, Arkapol Saengdeejing, Izumi Muto, Ying Chen, Takashi Doi, Kaori Kawano, Yu Sugawara, Nobuyoshi Hara

Research output: Contribution to journal › Article › peer-review

Abstract

The effect of interstitial carbon on the work function and the dissolution resistance of martensitic carbon steels was investigated. Ultraviolet photoelectron spectroscopy measurements of 0.001%C, 0.44%C, and 0.88%C specimens showed that the work function of steels increased with the amount of interstitial carbon. In addition, first-principles calculations indicated that the presence of interstitial carbon clearly increased the work function on both the (110) and (100) orientation surfaces. The immersion tests and potentiodynamic polarization measurements of the specimens were conducted in 50 mM C8H5KO4 at pH 4.0, and it was clarified that the anodic dissolution reaction was suppressed as the amount of interstitial carbon increased. The improvement in work function appeared to be related to the superior anodic dissolution resistance.

Original language	English
Article number	111503
Journal	Journal of the Electrochemical Society
Volume	168
Issue number	11
DOIs	https://doi.org/10.1149/1945-7111/ac3276
Publication status	Published - 2021 Nov

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Renewable Energy, Sustainability and the Environment
Surfaces, Coatings and Films
Electrochemistry
Materials Chemistry

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10.1149/1945-7111/ac3276

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First-Principles Investigation on Work Function of Martensitic Carbon Steels : Effect of Interstitial Carbon on Anodic Dissolution Resistance. / Kadowaki, Mariko; Saengdeejing, Arkapol ; Muto, Izumi ; Chen, Ying; Doi, Takashi; Kawano, Kaori; Sugawara, Yu; Hara, Nobuyoshi.

In: Journal of the Electrochemical Society, Vol. 168, No. 11, 111503, 11.2021.

Research output: Contribution to journal › Article › peer-review

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abstract = "The effect of interstitial carbon on the work function and the dissolution resistance of martensitic carbon steels was investigated. Ultraviolet photoelectron spectroscopy measurements of 0.001%C, 0.44%C, and 0.88%C specimens showed that the work function of steels increased with the amount of interstitial carbon. In addition, first-principles calculations indicated that the presence of interstitial carbon clearly increased the work function on both the (110) and (100) orientation surfaces. The immersion tests and potentiodynamic polarization measurements of the specimens were conducted in 50 mM C8H5KO4 at pH 4.0, and it was clarified that the anodic dissolution reaction was suppressed as the amount of interstitial carbon increased. The improvement in work function appeared to be related to the superior anodic dissolution resistance.",

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AU - Kadowaki, Mariko

AU - Saengdeejing, Arkapol

AU - Muto, Izumi

AU - Chen, Ying

AU - Doi, Takashi

AU - Kawano, Kaori

AU - Sugawara, Yu

AU - Hara, Nobuyoshi

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N2 - The effect of interstitial carbon on the work function and the dissolution resistance of martensitic carbon steels was investigated. Ultraviolet photoelectron spectroscopy measurements of 0.001%C, 0.44%C, and 0.88%C specimens showed that the work function of steels increased with the amount of interstitial carbon. In addition, first-principles calculations indicated that the presence of interstitial carbon clearly increased the work function on both the (110) and (100) orientation surfaces. The immersion tests and potentiodynamic polarization measurements of the specimens were conducted in 50 mM C8H5KO4 at pH 4.0, and it was clarified that the anodic dissolution reaction was suppressed as the amount of interstitial carbon increased. The improvement in work function appeared to be related to the superior anodic dissolution resistance.

AB - The effect of interstitial carbon on the work function and the dissolution resistance of martensitic carbon steels was investigated. Ultraviolet photoelectron spectroscopy measurements of 0.001%C, 0.44%C, and 0.88%C specimens showed that the work function of steels increased with the amount of interstitial carbon. In addition, first-principles calculations indicated that the presence of interstitial carbon clearly increased the work function on both the (110) and (100) orientation surfaces. The immersion tests and potentiodynamic polarization measurements of the specimens were conducted in 50 mM C8H5KO4 at pH 4.0, and it was clarified that the anodic dissolution reaction was suppressed as the amount of interstitial carbon increased. The improvement in work function appeared to be related to the superior anodic dissolution resistance.

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First-Principles Investigation on Work Function of Martensitic Carbon Steels: Effect of Interstitial Carbon on Anodic Dissolution Resistance

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