Corrosion reaction and hydrogen absorption of steel for prestressed concrete in a 20 mass% ammonium thiocyanate solution. (June 2015)

• Record Type: Journal Article
• Authors: Ichiba, Mikiyuki; Sakai, Jun'ichi; Doshida, Tomoki; Takai, Kenichi
• Is Part Of: Scripta materialia. Volume 102(2015)
• Page Start: 59
• Page End: 62
• Publication Date: 2015-06
• Subjects: Corrosion -- Hydrogen embrittlement -- Martensitic steels -- Hydrogen absorption -- Electrochemistry; Materials -- Periodicals; Metallurgy -- Periodicals; Metalen; Legeringen; Materiaalkunde; Metals, metalworking and machinery industries; Metals; Electronic journals; 620.11
• DOI: 10.1016/j.scriptamat.2015.02.013
• Languages: English
• ISSNs: 1359-6462

Abstract

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.