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

Yamauchi, Akira; Yamauchi, Yuji; Hirohata, Yuko et al.

Materials Science Forum, 2006, 522(523), 163-170

Permalink : https://hdl.handle.net/2115/15824

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アクセス権
open access
URI
https://hdl.handle.net/2115/15824
タイトル
TDS Measurement of Hydrogen Released from Stainless Steel Oxidized in H2O-Containing Atmospheres
著者
Yamauchi, Akira ; Yamauchi, Yuji ; Hirohata, Yuko ; Hino, Tomoaki ; Kurokawa, Kazuya
著者名
Yamauchi, Akira
e-Rad_Researcher
80312388
著者名
Yamauchi, Yuji
著者名
Hirohata, Yuko
e-Rad_Researcher
30109491
著者名
Hino, Tomoaki
e-Rad_Researcher
00161779
著者名
Kurokawa, Kazuya
言語
英語
キーワード
oxidation
H2O vapor
Cr2O3 scale
thermal desorption spectroscopy (TDS)
hydrogen
発行日
2006
出版者
Trans Tech Publications
収録物名
Materials Science Forum
巻(号)
522(523)
ページ
163-170
抄録
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.
資源タイプ
学術雑誌論文
出版タイプ
Accepted Manuscript
権利情報
the original is available online at www.scientific.net. High-Temperature Oxidation and Corrosion 2005
PISSN
0255-5476