The advantage of grain refinement in the hydrogen embrittlement of Fe-18Mn-0.6C twinning-induced plasticity steel

Il Jeong Park; Sang min Lee; Hyun hee Jeon; Young Kook Lee

doi:10.1016/j.corsci.2015.01.012

The advantage of grain refinement in the hydrogen embrittlement of Fe-18Mn-0.6C twinning-induced plasticity steel

Il Jeong Park, Sang min Lee, Hyun hee Jeon, Young Kook Lee

Department of Materials Science and Engineering

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

59 Citations (Scopus)

Abstract

The effect of grain size on hydrogen embrittlement (HE) was investigated using Fe-18Mn-0.6C twinning-induced plasticity (TWIP) steel without Al through slow tensile tests and thermal desorption analyses. The grain refinement improved the resistance to HE of TWIP steel by suppressing a ductile to brittle transition. The high ductility of fine-grained specimens resulted from the low densities of twin boundaries, twin-twin junctions, and twin-grain boundary junctions, which are hydrogen-enriched during tensile tests, due to inactive mechanical twinning.

Original language	English
Pages (from-to)	63-69
Number of pages	7
Journal	Corrosion Science
Volume	93
DOIs	https://doi.org/10.1016/j.corsci.2015.01.012
Publication status	Published - 2015 Apr 1

All Science Journal Classification (ASJC) codes

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

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title = "The advantage of grain refinement in the hydrogen embrittlement of Fe-18Mn-0.6C twinning-induced plasticity steel",

abstract = "The effect of grain size on hydrogen embrittlement (HE) was investigated using Fe-18Mn-0.6C twinning-induced plasticity (TWIP) steel without Al through slow tensile tests and thermal desorption analyses. The grain refinement improved the resistance to HE of TWIP steel by suppressing a ductile to brittle transition. The high ductility of fine-grained specimens resulted from the low densities of twin boundaries, twin-twin junctions, and twin-grain boundary junctions, which are hydrogen-enriched during tensile tests, due to inactive mechanical twinning.",

author = "Park, {Il Jeong} and Lee, {Sang min} and Jeon, {Hyun hee} and Lee, {Young Kook}",

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T1 - The advantage of grain refinement in the hydrogen embrittlement of Fe-18Mn-0.6C twinning-induced plasticity steel

AU - Park, Il Jeong

AU - Lee, Sang min

AU - Jeon, Hyun hee

AU - Lee, Young Kook

PY - 2015/4/1

Y1 - 2015/4/1

N2 - The effect of grain size on hydrogen embrittlement (HE) was investigated using Fe-18Mn-0.6C twinning-induced plasticity (TWIP) steel without Al through slow tensile tests and thermal desorption analyses. The grain refinement improved the resistance to HE of TWIP steel by suppressing a ductile to brittle transition. The high ductility of fine-grained specimens resulted from the low densities of twin boundaries, twin-twin junctions, and twin-grain boundary junctions, which are hydrogen-enriched during tensile tests, due to inactive mechanical twinning.

AB - The effect of grain size on hydrogen embrittlement (HE) was investigated using Fe-18Mn-0.6C twinning-induced plasticity (TWIP) steel without Al through slow tensile tests and thermal desorption analyses. The grain refinement improved the resistance to HE of TWIP steel by suppressing a ductile to brittle transition. The high ductility of fine-grained specimens resulted from the low densities of twin boundaries, twin-twin junctions, and twin-grain boundary junctions, which are hydrogen-enriched during tensile tests, due to inactive mechanical twinning.

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