書誌事項
- タイトル別名
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- Carbon Deposition by Pyrolysis Reactions of CO-H<SUB>2</SUB> Mixtures on Iron at 773 to 1273 K
- 773~1273Kに加熱した鉄表面におけるCO-H2系ガスの熱分解反応による炭素析出
- 773 1273K ニ カネツシタ テツ ヒョウメン ニ オケル CO H2ケ
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説明
The carbon depositing behavior on iron in CO-H2 mixtures at 773 to 1273 K has been studied by means of metallography and thermogravimetry. Two types of carbon, laminar carbon and filamentous carbon, are observed to deposit on iron. The deposition of laminar carbon is predominant early in the reactions at all temperatures. The outward growth reaction of laminar carbon and the depositing behavior of filamentous carbon change definitely near A1 transformation temperature. These may be caused by the facts that CO gas is thermodynamically more unstable and easier to decompose with decreasing temperature, and that laminar carbon changes from turbostratic carbon towards graphitic carbon with increasing temperature and particularly at temperatures above A1 point it becomes a dense and filmy carbon which has almost the same crystallinity as natural graphite. Mechanisms are suggested for the deposition of these two types of carbon at temperatures below and above A1 point.
収録刊行物
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- 日本金属学会誌
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日本金属学会誌 49 (9), 737-745, 1985
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390001206485577216
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- NII論文ID
- 130007339262
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- NII書誌ID
- AN00187860
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL書誌ID
- 3045803
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- データソース種別
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- JaLC
- NDL
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