Interfacial hydrogen localization in austenite/martensite dual-phase steel visualized through optimized silver decoration and scanning Kelvin probe force microscopy

T. Nagashima, Motomichi Koyama, A. Bashir, M. Rohwerder, C. C. Tasan, E. Akiyama, D. Raabe, Kaneaki Tsuzaki

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The hydrogen distribution in an austenite–martensite dual-phase steel was investigated using silver decoration and scanning Kelvin probe force microscopy. The silver decoration technique optimized for spacial resolution reveals interfacial segregation of hydrogen along the plate-type martensite–martensite grain boundaries. In addition, the scanning Kelvin probe force microscopy kinetically elucidates that hydrogen preferentially diffused out from the martensite–martensite grain boundaries. These preferential sites of hydrogen desorption correspond to the regions of hydrogen-assisted damage.

Original languageEnglish
Pages (from-to)306-310
Number of pages5
JournalMaterials and Corrosion
Volume68
Issue number3
DOIs
Publication statusPublished - Mar 1 2017

Fingerprint

Steel
Silver
Martensite
Austenite
microscopy
Hydrogen
silver
Microscopic examination
steel
probe
hydrogen
Scanning
grain boundary
Grain boundaries
Desorption
desorption
damage

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

Cite this

Interfacial hydrogen localization in austenite/martensite dual-phase steel visualized through optimized silver decoration and scanning Kelvin probe force microscopy. / Nagashima, T.; Koyama, Motomichi; Bashir, A.; Rohwerder, M.; Tasan, C. C.; Akiyama, E.; Raabe, D.; Tsuzaki, Kaneaki.

In: Materials and Corrosion, Vol. 68, No. 3, 01.03.2017, p. 306-310.

Research output: Contribution to journalArticle

Nagashima, T. ; Koyama, Motomichi ; Bashir, A. ; Rohwerder, M. ; Tasan, C. C. ; Akiyama, E. ; Raabe, D. ; Tsuzaki, Kaneaki. / Interfacial hydrogen localization in austenite/martensite dual-phase steel visualized through optimized silver decoration and scanning Kelvin probe force microscopy. In: Materials and Corrosion. 2017 ; Vol. 68, No. 3. pp. 306-310.
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