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TDS Measurement of Hydrogen Released from Stainless Steel Oxidized in H2O-Containing Atmospheres

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/15824

Title: TDS Measurement of Hydrogen Released from Stainless Steel Oxidized in H2O-Containing Atmospheres
Authors: Yamauchi, Akira Browse this author
Yamauchi, Yuji Browse this author →KAKEN DB
Hirohata, Yuko Browse this author
Hino, Tomoaki Browse this author →KAKEN DB
Kurokawa, Kazuya Browse this author →KAKEN DB
Keywords: oxidation
H2O vapor
Cr2O3 scale
thermal desorption spectroscopy (TDS)
hydrogen
Issue Date: 2006
Publisher: Trans Tech Publications
Journal Title: Materials Science Forum
Volume: 522
Issue: 523
Start Page: 163
End Page: 170
Abstract: Hydrogen dissolved in the Cr2O3 scale formed on the stainless steel in the H2O-containing atmospheres is observed by TDS (thermal desorption spectroscopy) measurements. The amount of dissolved hydrogen in the Cr2O3 scale reaches a maximum about 0.32 mol% when the H2O concentration in the gas reaches 20%. It was found from GDS (glow discharge spectroscopy) measurements that hydrogen may exist at the oxide scale / substrate interface or in Cr2O3 scale bounded that interface. However, results from the Vickers hardness and the observation of scale morphology by SEM (scanning electron microscopy), hydrogen dissolved in the Cr2O3 scale would have little effect on a decrease in the mechanical property of the Cr2O3 scale. Therefore, hydrogen dissolved in the Cr2O3 scale may not be main factor of the deterioration of the Cr2O3 scale.
Rights: the original is available online at www.scientific.net. High-Temperature Oxidation and Corrosion 2005
Type: article (author version)
URI: http://hdl.handle.net/2115/15824
Appears in Collections:エネルギー・マテリアル融合領域研究センター (Center for Advanced Research of Energy and Material) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 山内 啓

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