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Time-resolved grazing-incidence X-ray diffraction measurement to understand the effect of hydrogen on surface strain development in super duplex stainless steel

Örnek, Cem ; Larsson, Alfred LU ; Harlow, Gary S. LU ; Zhang, Fan ; Kroll, Robin ; Carlà, Franceso ; Hussain, Hadeel ; Kivisäkk, Ulf ; Engelberg, Dirk L. and Lundgren, Edvin LU , et al. (2020) In Scripta Materialia 187. p.63-67
Abstract

Grazing-incidence x-ray diffraction was employed to measure, operando, during electrochemical hydrogen charging, the lattice strain development of the near-surface in super duplex stainless steel under applied tensile load. Hydrogen absorption led to the formation of tensile strains in both the austenite (γ) and ferrite (δ) phases perpendicular to the loading axis, whereas compressive strains were formed in the ferrite phase parallel to the loading direction, despite the acting tensile load. The earliest stages of degradation are discussed in light of understanding hydrogen embrittlement.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Dual phases, Hydrogen embrittlement, Stainless steels, Synchrotron radiation, X-ray diffraction (XRD)
in
Scripta Materialia
volume
187
pages
5 pages
publisher
Elsevier
external identifiers
  • scopus:85086398345
ISSN
1359-6462
DOI
10.1016/j.scriptamat.2020.05.061
language
English
LU publication?
yes
id
edb31281-d3ba-4b2e-9ebf-9b5c82452ead
date added to LUP
2020-06-29 12:54:55
date last changed
2020-12-29 01:24:25
@article{edb31281-d3ba-4b2e-9ebf-9b5c82452ead,
  abstract     = {<p>Grazing-incidence x-ray diffraction was employed to measure, operando, during electrochemical hydrogen charging, the lattice strain development of the near-surface in super duplex stainless steel under applied tensile load. Hydrogen absorption led to the formation of tensile strains in both the austenite (γ) and ferrite (δ) phases perpendicular to the loading axis, whereas compressive strains were formed in the ferrite phase parallel to the loading direction, despite the acting tensile load. The earliest stages of degradation are discussed in light of understanding hydrogen embrittlement.</p>},
  author       = {Örnek, Cem and Larsson, Alfred and Harlow, Gary S. and Zhang, Fan and Kroll, Robin and Carlà, Franceso and Hussain, Hadeel and Kivisäkk, Ulf and Engelberg, Dirk L. and Lundgren, Edvin and Pan, Jinshan},
  issn         = {1359-6462},
  language     = {eng},
  pages        = {63--67},
  publisher    = {Elsevier},
  series       = {Scripta Materialia},
  title        = {Time-resolved grazing-incidence X-ray diffraction measurement to understand the effect of hydrogen on surface strain development in super duplex stainless steel},
  url          = {http://dx.doi.org/10.1016/j.scriptamat.2020.05.061},
  doi          = {10.1016/j.scriptamat.2020.05.061},
  volume       = {187},
  year         = {2020},
}