Corrosion reaction and hydrogen absorption of steel for prestressed concrete in a 20 mass% ammonium thiocyanate solution

Mikiyuki Ichiba, Jun'Ichi Sakai, Tomoki Doshida, Kenichi Takai

    Research output: Contribution to journalArticle

    7 Citations (Scopus)

    Abstract

    It has been proposed that several corrosion reactions occur in the FIP (Fédération International de la Précontrainte) test when using a 20 mass% ammonium thiocyanate solution. The results of the present study show that a cathodic reaction accompanying the decomposition of SCN- ions contributes significantly to hydrogen absorption in the FIP test environment. The cathodic reaction continues even during the period when a gradual decline is seen in the hydrogen content of PC steel specimens in the FIP test.

    Original languageEnglish
    Pages (from-to)59-62
    Number of pages4
    JournalScripta Materialia
    Volume102
    DOIs
    Publication statusPublished - 2015 Jun 1

    Fingerprint

    Steel
    Prestressed concrete
    Hydrogen
    corrosion
    steels
    Corrosion
    hydrogen
    Ions
    Decomposition
    decomposition
    thiocyanic acid
    ions

    Keywords

    • Corrosion
    • Electrochemistry
    • Hydrogen absorption
    • Hydrogen embrittlement
    • Martensitic steels

    ASJC Scopus subject areas

    • Materials Science(all)
    • Condensed Matter Physics

    Cite this

    Corrosion reaction and hydrogen absorption of steel for prestressed concrete in a 20 mass% ammonium thiocyanate solution. / Ichiba, Mikiyuki; Sakai, Jun'Ichi; Doshida, Tomoki; Takai, Kenichi.

    In: Scripta Materialia, Vol. 102, 01.06.2015, p. 59-62.

    Research output: Contribution to journalArticle

    Ichiba, Mikiyuki ; Sakai, Jun'Ichi ; Doshida, Tomoki ; Takai, Kenichi. / Corrosion reaction and hydrogen absorption of steel for prestressed concrete in a 20 mass% ammonium thiocyanate solution. In: Scripta Materialia. 2015 ; Vol. 102. pp. 59-62.
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