Transport mechanism of hydrogen through oxide film formed on zircaloy-4

Y. Hatano; R. Hitaka; M. Sugisaki; M. Hayashi

doi:10.1007/bf02349048

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 239: Issue 3

Transport mechanism of hydrogen through oxide film formed on zircaloy-4

Authors:

Y. Hatano

Y. Hatano Kyushu University Department of Nuclear Engineering, Faculty of Engineering 812-8581 Fukuoka Japan

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R. Hitaka

R. Hitaka Kyushu University Department of Nuclear Engineering, Faculty of Engineering 812-8581 Fukuoka Japan

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M. Sugisaki

M. Sugisaki Kyushu University Department of Nuclear Engineering, Faculty of Engineering 812-8581 Fukuoka Japan

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M. Hayashi

M. Hayashi Nuclear Fuel Industries, Ltd. Technical Development Department 950 Ohaza-noda, Kumatori-cho 590-0481 Sennan-gun Osaka Japan

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Pages:: 445–448

Online Publication Date:: 10 Apr 2006

Publication Date:: 17 Mar 1999

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02349048

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Abstract

The diffusion behavior of hydrogen in the oxide films of zircaloy-4 specimens containing different size of Zr(Fe,Cr)₂ precipitates was examined. In the case of the specimen containing fine precipitates, hydrogen diffused uniformly through the zirconium oxide phase. The diffusion coefficient was 2·10⁻²¹ m²·s⁻¹ at room temperature and 6·10⁻¹⁹ m²·s⁻¹ at 673 K. The transport rate of hydrogen in the oxide film of the specimen containing coarse precipitates was significantly higher than that of the specimen containing fine ones at both room temperature and 673 K.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)