Monitoring of Hydrogen Absorption into Titanium Using Resistometry

Azumi, Kazuhisa; Asada, Yoshihide; Ueno, Tomohiro; Seo, Masahiro; Mizuno, Tadahiko

Monitoring of Hydrogen Absorption into Titanium Using Resistometry

Azumi, Kazuhisa; Asada, Yoshihide; Ueno, Tomohiro et al.

Journal of The Electrochemical Society, 2002, 149(9), B422-B427

Permalink : https://hdl.handle.net/2115/22023

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アクセス権	open access
URI	https://hdl.handle.net/2115/22023
タイトル	Monitoring of Hydrogen Absorption into Titanium Using Resistometry
著者	Azumi, Kazuhisa ; Asada, Yoshihide ; Ueno, Tomohiro ; Seo, Masahiro ; Mizuno, Tadahiko
e-Rad_Researcher 60175875 著者名 Azumi, Kazuhisa
著者名 Asada, Yoshihide
著者名 Ueno, Tomohiro
著者名 Seo, Masahiro
著者名 Mizuno, Tadahiko
言語	英語
発行日	2002-09
出版者	The Electrochemical Society
収録物名	Journal of The Electrochemical Society
巻(号)	149(9)
ページ	B422-B427
抄録	Hydrogen absorption into Ti electrodes during electrochemical cathodic polarization was monitored using resistometry. Electric resistance of Ti increased with H absorption due to growth of a hydride layer from the surface toward the inside. The growth rate of the hydride layer was estimated from resistance data and was found to depend on the polarization current density, existence of a preformed anodic oxide film, and shape of the specimen. For example, preformation of an anodic oxide film at a potential higher than the breakdown potential, rather, promotes hydrogen penetration. In the case of a thin wire electrode, the hydride layer grew in a nonuniform manner because the volume expansion induced cracking on the surface. Therefore, the average thickness of the hydride layer was estimated from the change in resistance. ©2002 The Electrochemical Society. All rights reserved.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
PISSN	0013-4651
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1149/1.1498257