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Alfred Larsson. Portrait.

Alfred Larsson

Postdoctoral fellow

Alfred Larsson. Portrait.

Effect of hydrogen on the passivation for ultra-thin 316 L SS foil

Author

  • Xiaoqi Yue
  • Zhile Yang
  • Alfred Larsson
  • Huajie Tang
  • Stephan Appelfeller
  • Birhan Sefer
  • Alexei Preobrajenski
  • Jun Li
  • Lei Zhang
  • Jinshan Pan

Summary, in English

The reformation and characterisation of the passive film formed on ultra-thin 316 L after hydrogen charging is investigated by combining EBSD, TMDS, XRD, Synchrotron-based XPS, and electrochemical experiments. The results show that ultra-thin foil reforms a passive film after 12 h of hydrogen release in NaCl solution. The reformed passive film is half the thickness of the as-received passive film and is dominated by Cr oxides/hydroxides. The lattice extension caused by residual hydrogen accelerates Cr migration to form Cr2O3; while the diffusible hydrogen occupies the cation vacancies and results in high defect density for the reformed passive film within 12 h.

Department/s

  • LU Profile Area: Light and Materials
  • LTH Profile Area: Nanoscience and Semiconductor Technology
  • Synchrotron Radiation Research
  • NanoLund: Centre for Nanoscience
  • MAX IV Laboratory

Publishing year

2023-12

Language

English

Publication/Series

npj Materials Degradation

Volume

7

Issue

1

Document type

Journal article

Publisher

Nature Publishing Group

Topic

  • Inorganic Chemistry

Status

Published

ISBN/ISSN/Other

  • ISSN: 2397-2106