The effect of Zn coating layers on the hydrogen embrittlement of hot-dip galvanized twinning-induced plasticity steel

Hyun Hee Jeon; Sang Min Lee; Jeongho Han; Il Jeong Park; Young Kook Lee

doi:10.1016/j.corsci.2016.05.014

The effect of Zn coating layers on the hydrogen embrittlement of hot-dip galvanized twinning-induced plasticity steel

Hyun Hee Jeon, Sang Min Lee, Jeongho Han, Il Jeong Park, Young Kook Lee

Department of Materials Science and Engineering

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

18 Citations (Scopus)

Abstract

The effect of Zn coating layers on hydrogen embrittlement (HE) was investigated using hot-dip galvanized (HDG) twinning-induced plasticity (TWIP) steel. The Zn coating layers consisted of an η-Zn layer and Fe-Zn intermetallic layers of ζ and δ without Γ. H was trapped particularly at the ζ layer without Zn-H compounds. The activation energies of H desorption from the δ and ζ layers were 60.0 kJ mol⁻¹ and 75.4 kJ mol⁻¹, respectively. The H-charged HDG_TWIP steel did not reveal HE due to the intermetallic layers, which are exceptionally brittle even when H is not enriched.

Original language	English
Pages (from-to)	267-274
Number of pages	8
Journal	Corrosion Science
Volume	111
DOIs	https://doi.org/10.1016/j.corsci.2016.05.014
Publication status	Published - 2016 Oct 1

Bibliographical note

Publisher Copyright:
© 2016 Elsevier Ltd

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)
Materials Science(all)

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10.1016/j.corsci.2016.05.014

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title = "The effect of Zn coating layers on the hydrogen embrittlement of hot-dip galvanized twinning-induced plasticity steel",

abstract = "The effect of Zn coating layers on hydrogen embrittlement (HE) was investigated using hot-dip galvanized (HDG) twinning-induced plasticity (TWIP) steel. The Zn coating layers consisted of an η-Zn layer and Fe-Zn intermetallic layers of ζ and δ without Γ. H was trapped particularly at the ζ layer without Zn-H compounds. The activation energies of H desorption from the δ and ζ layers were 60.0 kJ mol−1 and 75.4 kJ mol−1, respectively. The H-charged HDG_TWIP steel did not reveal HE due to the intermetallic layers, which are exceptionally brittle even when H is not enriched.",

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T1 - The effect of Zn coating layers on the hydrogen embrittlement of hot-dip galvanized twinning-induced plasticity steel

AU - Jeon, Hyun Hee

AU - Lee, Sang Min

AU - Han, Jeongho

AU - Park, Il Jeong

AU - Lee, Young Kook

PY - 2016/10/1

Y1 - 2016/10/1

N2 - The effect of Zn coating layers on hydrogen embrittlement (HE) was investigated using hot-dip galvanized (HDG) twinning-induced plasticity (TWIP) steel. The Zn coating layers consisted of an η-Zn layer and Fe-Zn intermetallic layers of ζ and δ without Γ. H was trapped particularly at the ζ layer without Zn-H compounds. The activation energies of H desorption from the δ and ζ layers were 60.0 kJ mol−1 and 75.4 kJ mol−1, respectively. The H-charged HDG_TWIP steel did not reveal HE due to the intermetallic layers, which are exceptionally brittle even when H is not enriched.

AB - The effect of Zn coating layers on hydrogen embrittlement (HE) was investigated using hot-dip galvanized (HDG) twinning-induced plasticity (TWIP) steel. The Zn coating layers consisted of an η-Zn layer and Fe-Zn intermetallic layers of ζ and δ without Γ. H was trapped particularly at the ζ layer without Zn-H compounds. The activation energies of H desorption from the δ and ζ layers were 60.0 kJ mol−1 and 75.4 kJ mol−1, respectively. The H-charged HDG_TWIP steel did not reveal HE due to the intermetallic layers, which are exceptionally brittle even when H is not enriched.

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The effect of Zn coating layers on the hydrogen embrittlement of hot-dip galvanized twinning-induced plasticity steel

Abstract

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