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Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Engineering / Faculty of Engineering >
Peer-reviewed Journal Articles, etc >

Hydrogen Permeation into a Carbon Steel Sheet Observed by a Micro-capillary Combined with a Devanathan-Stachurski Cell

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ISIJ Int. 56(3)_ 431-435 (2016).pdf752.24 kBPDFView/Open
Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/72744

Title: Hydrogen Permeation into a Carbon Steel Sheet Observed by a Micro-capillary Combined with a Devanathan-Stachurski Cell
Authors: Fushimi, Koji Browse this author →KAKEN DB
Jin, Misako Browse this author
Kitagawa, Yuichi Browse this author
Nakanishi, Takayuki Browse this author
Hasegawa, Yasuchika Browse this author →KAKEN DB
Keywords: hydrogen permeation
Devanathan-Stachurski cell
hydrogen evolution reaction
micro-capillary cell
Issue Date: Mar-2016
Publisher: 日本鉄鋼協会
Journal Title: ISIJ International
Volume: 56
Issue: 3
Start Page: 431
End Page: 435
Publisher DOI: 10.2355/isijinternational.ISIJINT-2015-191
Abstract: A micro-capillary technique was applied to a Devanathan-Stachurski electrochemical cell for local measurement of hydrogen permeation into a steel sheet. An electrolyte-flowing design for the hydrogen entry side of the Devanathan-Stachurski cell successfully allowed the detection of hydrogen permeation response on hydrogen exit side electrode in a micro-capillary cell with a diameter of 250 µm. Phase shift of the detected permeation current from a sinusoidal perturbation of the electrolyte flow rate in the hydrogen entry cell was strongly dependent on the metallographic structure of the steel sheet. A local structure, in which two single grains form grain boundaries, led to hydrogen permeation more frequently than did a local structure of single grains. The results suggested that the diffusion coefficient of the boundaries was at least two-times larger than that of the grains.
Type: article
URI: http://hdl.handle.net/2115/72744
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 伏見 公志

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