Influence of Chemical Composition and Heat Treatment Condition on Impact Toughness of 15Cr Ferritic Creep Resistant Steel
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概要
- 論文の詳細を見る
Influences of chemical compositions, heat treatment and microstructure on impact toughness of 15Cr ferritic steel have been investigated. Charpy impact values of the furnace cooled steels were lower than 15J/cm^2 at room temperature independent of chemical compositions. Drastic improvement in impact toughness has been attained by controlling the carbon and nitrogen contents, by the addition of nickel and by the increase in cooling rate after annealing. However, the effect of nickel on impact toughness strongly depends on carbon and nitrogen contents. Improvement in impact toughness of the 15Cr ferritic steel has not been explained by individual microstructural factors of grain size, distribution of precipitates, volume fraction of martensitic phase. It has been supposed that the increase in Charpy impact toughness of the 15Cr ferritic steel was attained by improvement in toughness of ferrite matrix itself.
- 社団法人日本機械学会の論文
- 2005-07-15
著者
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Abe Fujio
Steel Research Center National Institute For Materials Seienee
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Abe F
National Institute For Materials Science
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KIMURA Kazuhiro
National Institute for Materials Science
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ABE Fujio
National Institute for Materials Science
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TODA Yoshiaki
Steel Research Center, National Institute for Materials Science
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KUSHIMA Hideaki
Materials Information Technology Station, National Institute for Materials Science
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KIMURA Kazuhiro
Materials Information Technology Station, National Institute for Materials Science
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TOHYAMA Hideaki
Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
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Toda Yoshiaki
National Institute for Materials Science
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Abe F
Steel Research Center National Institute For Materials Seienee
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Abe Fujio
National Institute Of Materials Science
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Abe Fujio
Frontier Research Center For Structural Materials National Research Institute For Metals
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Abe Fujio
Steel Research Center (src) National Institute For Materials Science
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Toda Yoshiaki
Steel Research Center National Institute For Materials Seienee
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Kimura Kazuhiro
Materials Data Sheet Station National Institute For Materials Science
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Abe Fujio
Structural Metals Center National Institute For Materials Science
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Kushima Hideaki
Materials Data Sheet Station National Institute For Materials Science
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Kushima Hideaki
Materials Information Technology Station National Institute For Materials Science
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Tohyama Hideaki
Interdisciplinary Graduate School Of Science And Engineering Tokyo Institute Of Technology:(present
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Abe Fujio
Steel Research Center National Institute For Materials Science
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Abe Fujio
Tsukuba Laboratories National Research Institute For Metals
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Kimura Kazuhiro
National Research Institute For Metals
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