Overview of hydrogen embrittlement in high-Mn steels

Motomichi Koyama, Eiji Akiyama, Young-Kook Lee, Dierk Raabe, Kaneaki Tsuzaki

Research output: Contribution to journalReview article

75 Citations (Scopus)

Abstract

Hydrogen and fuels derived from it will serve as the energy carriers of the future. The associated rapidly growing demand for hydrogen energy-related infrastructure materials has stimulated multiple engineering and scientific studies on the hydrogen embrittlement resistance of various groups of high performance alloys. Among these, high-Mn steels have received special attention owing to their excellent strength – ductility – cost relationship. However, hydrogen-induced delayed fracture has been reported to occur in deep-drawn cup specimens of some of these alloys. Driven by this challenge we present here an overview of the hydrogen embrittlement research carried out on high-Mn steels. The hydrogen embrittlement susceptibility of high-Mn steels is particularly sensitive to their chemical composition since the various alloying elements simultaneously affect the material's stacking fault energy, phase stability, hydrogen uptake behavior, surface oxide scales and interstitial diffusivity, all of which affect the hydrogen embrittlement susceptibility. Here, we discuss the contribution of each of these factors to the hydrogen embrittlement susceptibility of these steels and discuss pathways how certain embrittlement mechanisms can be hampered or even inhibited. Examples of positive effects of hydrogen on the tensile ductility are also introduced.

Original languageEnglish
Pages (from-to)12706-12723
Number of pages18
JournalInternational Journal of Hydrogen Energy
Volume42
Issue number17
DOIs
Publication statusPublished - 2017 Apr 27

Fingerprint

hydrogen embrittlement
Hydrogen embrittlement
steels
Hydrogen
Steel
hydrogen
ductility
magnetic permeability
Ductility
stacking fault energy
embrittlement
Phase stability
Stacking faults
Embrittlement
Alloying elements
alloying
diffusivity
interstitials
chemical composition
engineering

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Koyama, Motomichi ; Akiyama, Eiji ; Lee, Young-Kook ; Raabe, Dierk ; Tsuzaki, Kaneaki. / Overview of hydrogen embrittlement in high-Mn steels. In: International Journal of Hydrogen Energy. 2017 ; Vol. 42, No. 17. pp. 12706-12723.
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Overview of hydrogen embrittlement in high-Mn steels. / Koyama, Motomichi; Akiyama, Eiji; Lee, Young-Kook; Raabe, Dierk; Tsuzaki, Kaneaki.

In: International Journal of Hydrogen Energy, Vol. 42, No. 17, 27.04.2017, p. 12706-12723.

Research output: Contribution to journalReview article

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