CORROSION BEHAVIOR AND HYDROGEN CONTENT OF CARBON STEELS IN CO_2 ENVIRONMENT
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概要
- 論文の詳細を見る
The effect of carbon dioxide on corrosion rate, polarization curve and hydrogen content has been investigated for carbon steels in acetate solutions and sodium carbonate solution with a pH range of 2 to 9 at 313 K under carbon dioxide and nitrogen atmospheres. In acid solutions less than pH 6 both general corrosion and hydrogen absorption are accelerated by the existence of carbon dioxide, but not clear in the intermeadiate pHs 5 and 6. In the solutions more than pH 6 little corrosion rate is observed regardless of carbon dioxide, whereas hydrogen content is suvely detected only at the existence of carbon dioxide. The anodic and cathodic polarization curves show that their reaction overpotentials are affected by carbon dioxide, whose effecl changes depending upon pH. The results obtained are qualitatively explained in terms of the formation of iron carbonate and the adsorption of carbonate ions.
- 社団法人日本材料学会の論文
- 1996-12-15
著者
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Yagi Masayuki
Graduate Student Department Of Applied Materials Science Osaka Prefecture University
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YAMAKAWA Koji
Department of Quantum Engineering, Nagoya University
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Yamakawa K
Faculty Of Pharmaceutical Sciences Science University Of Tokyo
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Yamakawa K
Department Of Quantum Engineering Nagoya University
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NISHIMURA Rokuro
Department of Applied Materials Science, Osaka Prefecture University
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Nishimura Rokuro
Department Of Applied Materials Science Osaka Prefecture University
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Nishimura Rokuro
Department Of Applied Materials Science College Of Engineering Osaka Prefecture University
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YAMAKAWA Koji
Department of Applied Materials Science, Osaka Prefecture University
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