Fe(O, OH)6 network structure of rusts formed on weathering steel surfaces

Masao Kimura, Tamaki Suzuki, Genichi Sigesato, Masatoshi Saito, Sigeru Suzuki, Hiroshi Kihira, Koji Tanabe, Yoshio Waseda

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Nano-scale structures of rusts formed on weathering steel surfaces were investigated. It has been shown that the key structure is Fe(O, OH)6 network, which is different from crystalline FeOOH. Atomic structures were analyzed quantitatively by combination of different methods sensitive to middle range order (MRO): x-ray absorption fine structures (XAFS), anomalous x-ray scattering with reverse Monte-Calro simulation, and electron microscopy. It has been shown that Fe(O, OH)6 network structure evolves during the process of corrosion, and a small amount of additional elements change its development and the final morphology of rusts.

Original languageEnglish
Pages (from-to)166-175
Number of pages10
JournalNippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
Volume66
Issue number3
DOIs
Publication statusPublished - 2002 Mar
Externally publishedYes

Keywords

  • Anomalous scattering
  • Atomic-structure
  • Corrosion
  • Iron-oxyhydroxide
  • Network-structure
  • Rust
  • Weathering steel
  • X-ray absorption fine structure

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

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