Hydrogen absorption and embrittlement of Zn-Al coated medium-Mn steel

Nu Ri Cho; Jae Hoon Nam; Jin Young Lee; Young Kook Lee

doi:10.1016/j.corsci.2023.111433

Hydrogen absorption and embrittlement of Zn-Al coated medium-Mn steel

Nu Ri Cho, Jae Hoon Nam, Jin Young Lee, Young Kook Lee

Department of Materials Science and Engineering

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

2 Citations (Scopus)

Abstract

In this study, we investigated the influence of the austenitizing condition on H absorption and hydrogen embrittlement (HE) in a Zn-Al coated medium-Mn steel. The specimen, which underwent austenitization at 750 °C for 5 min, demonstrated high resistance to HE due to its low diffusible H content. The presence of a uniform Al₂O₃ oxide layer and a low H diffusion rate contributed to this low H content. However, an increase in austenitizing temperature accelerated H absorption due to the enhanced diffusion rate of H atoms, resulting in decreased resistance to HE.

Original language	English
Article number	111433
Journal	Corrosion Science
Volume	222
DOIs	https://doi.org/10.1016/j.corsci.2023.111433
Publication status	Published - 2023 Sept

Bibliographical note

Publisher Copyright:
© 2023 Elsevier Ltd

All Science Journal Classification (ASJC) codes

General Chemistry
General Chemical Engineering
General Materials Science

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10.1016/j.corsci.2023.111433

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title = "Hydrogen absorption and embrittlement of Zn-Al coated medium-Mn steel",

abstract = "In this study, we investigated the influence of the austenitizing condition on H absorption and hydrogen embrittlement (HE) in a Zn-Al coated medium-Mn steel. The specimen, which underwent austenitization at 750 °C for 5 min, demonstrated high resistance to HE due to its low diffusible H content. The presence of a uniform Al2O3 oxide layer and a low H diffusion rate contributed to this low H content. However, an increase in austenitizing temperature accelerated H absorption due to the enhanced diffusion rate of H atoms, resulting in decreased resistance to HE.",

keywords = "A. Metal coatings, A. Steel, B. SEM, C. Hydrogen absorption, C. Hydrogen embrittlement, C. Oxidation",

author = "Cho, {Nu Ri} and Nam, {Jae Hoon} and Lee, {Jin Young} and Lee, {Young Kook}",

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year = "2023",

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doi = "10.1016/j.corsci.2023.111433",

language = "English",

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T1 - Hydrogen absorption and embrittlement of Zn-Al coated medium-Mn steel

AU - Cho, Nu Ri

AU - Nam, Jae Hoon

AU - Lee, Jin Young

AU - Lee, Young Kook

PY - 2023/9

Y1 - 2023/9

N2 - In this study, we investigated the influence of the austenitizing condition on H absorption and hydrogen embrittlement (HE) in a Zn-Al coated medium-Mn steel. The specimen, which underwent austenitization at 750 °C for 5 min, demonstrated high resistance to HE due to its low diffusible H content. The presence of a uniform Al2O3 oxide layer and a low H diffusion rate contributed to this low H content. However, an increase in austenitizing temperature accelerated H absorption due to the enhanced diffusion rate of H atoms, resulting in decreased resistance to HE.

AB - In this study, we investigated the influence of the austenitizing condition on H absorption and hydrogen embrittlement (HE) in a Zn-Al coated medium-Mn steel. The specimen, which underwent austenitization at 750 °C for 5 min, demonstrated high resistance to HE due to its low diffusible H content. The presence of a uniform Al2O3 oxide layer and a low H diffusion rate contributed to this low H content. However, an increase in austenitizing temperature accelerated H absorption due to the enhanced diffusion rate of H atoms, resulting in decreased resistance to HE.

KW - A. Metal coatings

KW - A. Steel

KW - B. SEM

KW - C. Hydrogen absorption

KW - C. Hydrogen embrittlement

KW - C. Oxidation

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DO - 10.1016/j.corsci.2023.111433

M3 - Article

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SN - 0010-938X

VL - 222

JO - Corrosion Science

JF - Corrosion Science

M1 - 111433

ER -

Hydrogen absorption and embrittlement of Zn-Al coated medium-Mn steel

Abstract

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