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Zairyo-to-Kankyo
Vol. 61 (2012), No. 6

Zairyo-to-Kankyo Vol. 61 (2012), No. 6

ONLINE ISSN:	1881-9664
PRINT ISSN:	0917-0480
Publisher:	Japan Society of Corrosion Engineering

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28 Apr. (Last 30 Days)

Zairyo-to-Kankyo Vol. 61 (2012), No. 6

Let's Learn from Biodiversity

Kimio Ito

pp. 235-

DOI:

10.3323/jcorr.61.235

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Article Title

Let's Learn from Biodiversity

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Ris

Hydrogen Absorption Behavior of Steel Bar for Prestressed Concrete in a Solution of Ammonium Thiocyanate

Tomoki Doshida, Kenichi Takai, Mikiyuki Ichiba

pp. 249-256

DOI:

10.3323/jcorr.61.249

Abstract

A solution of ammonium thiocyanate is used in the FIP (Fédération International de la Précontrainte) test as a hydrogen charging method. Though this method is comparatively simple, fracture time in the FIP test and hydrogen content often differ among various testing institutes. However, the detailed hydrogen absorption behavior in the solution is still not clear. In this context, the effects of existing states of hydrogen, oxide film on the specimen surface, specific solution volume to specimen surface area, immersion time and solution temperature on the hydrogen absorption behavior of a steel bar for reinforcing prestressed concrete were investigated by immersing it in the solution. The amount of absorbed hydrogen increased with immersion time, reached its maximum, and then decreased with increasing immersion time. A main factor of the decrease in the amount of absorbed hydrogen was corrosion products, including Fe, O and S, formed on the specimen surface, since the amount of absorbed hydrogen increased again as a result of merely polishing the surface. This indicates that corrosion products formed on immersing specimens in a solution of ammonium thiocyanate strongly affect hydrogen absorption behavior. Whereas, variation of the solution, such as increase in pH, during immersion also affects slightly hydrogen absorption behavior.

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Hydrogen Absorption Behavior of Steel Bar for Prestressed Concrete in a Solution of Ammonium Thiocyanate

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Preface

ISIJ International Vol.36(1996), No.Suppl

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Zairyo-to-Kankyo Vol. 61 (2012), No. 6

Keyword Ranking

blast furnace

recrystallizational annealing

ferrocoke

flake

inclusion

camp isij

dp鋼曲げ性

inclusion formation

integration of hydrogen-blended gas into steelmaking processes: a case study of jfe steel

isij international

Zairyo-to-Kankyo Vol. 61 (2012), No. 6

Let's Learn from Biodiversity

Share it with SNS

Hydrogen Absorption Behavior of Steel Bar for Prestressed Concrete in a Solution of Ammonium Thiocyanate

Share it with SNS

Article Access Ranking

Wettability of CaS Against Molten Iron at 1873 K

Perspectives on the Promising Pathways to Zero Carbon Emissions in the Steel Industry toward 2050

Thermodynamic evaluation of interaction parameters of solutes in molten iron

Effects of interface anisotropy on the solidification morphology of zinc alloys and development of data assimilation for their estimation

Prediction Studies of Strip Centering with Flotation Dryer

Ammonia as a Green Energy Carrier to Lower Blast Furnace CO₂ Emissions

Crater End Detection in Continuous Casting by Longitudinal and Shear Wave Hybrid Technique with High Sensitivity EMAT

Effect of Pre-Reduced Structures on Deformation and Shrinkage Behavior of Iron Ore Pellets under CO and H₂ Reduction

Quantitative understanding of solute concentration distribution by microsegregation during solidification

Preface

Advanced Search

Zairyo-to-Kankyo Vol. 61 (2012), No. 6

Keyword Ranking

blast furnace

recrystallizational annealing

ferrocoke

flake

inclusion

camp isij

dp鋼 曲げ性

inclusion formation

integration of hydrogen-blended gas into steelmaking processes: a case study of jfe steel

isij international

Zairyo-to-Kankyo Vol. 61 (2012), No. 6

Let's Learn from Biodiversity

Share it with SNS

Hydrogen Absorption Behavior of Steel Bar for Prestressed Concrete in a Solution of Ammonium Thiocyanate

Share it with SNS

Article Access Ranking

Wettability of CaS Against Molten Iron at 1873 K

Perspectives on the Promising Pathways to Zero Carbon Emissions in the Steel Industry toward 2050

Thermodynamic evaluation of interaction parameters of solutes in molten iron

Effects of interface anisotropy on the solidification morphology of zinc alloys and development of data assimilation for their estimation

Prediction Studies of Strip Centering with Flotation Dryer

Ammonia as a Green Energy Carrier to Lower Blast Furnace CO2 Emissions

Crater End Detection in Continuous Casting by Longitudinal and Shear Wave Hybrid Technique with High Sensitivity EMAT

Effect of Pre-Reduced Structures on Deformation and Shrinkage Behavior of Iron Ore Pellets under CO and H2 Reduction

Quantitative understanding of solute concentration distribution by microsegregation during solidification

Preface

Advanced Search

dp鋼曲げ性

Ammonia as a Green Energy Carrier to Lower Blast Furnace CO₂ Emissions

Effect of Pre-Reduced Structures on Deformation and Shrinkage Behavior of Iron Ore Pellets under CO and H₂ Reduction