True Stress-True Strain Relations with Very Low Strain Rates at Room Temperature for an Austenitic 25Cr-19Ni Steel
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概要
- 論文の詳細を見る
True stress (σ)-true strain (ε) relations at very low strain rates at room temperature are compared in creep and tensile tests to investigate the effect of deformation history on the σ-ε relation and the applicability of the Kocks-Mecking (KM) model for the austenitic 25Cr-19Ni steel. Experimental results obtained by the creep and the tensile tests indicate that the σ-ε relation is not influenced by prior deformation history at true strains below 0.2. The σ-ε curves at very low strain rates between 10−8 and 10−10 s−1 obtained by the creep test are in accordance with those calculated by the KM model as well as that measured by the crosshead-arresting test. The KM model is concluded to be applicable to the σ-ε relations at very low strain rates obtained by various deformations.
- 社団法人 日本鉄鋼協会の論文
- 2004-01-15
著者
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Nagai K
National Inst. For Materials Sci. Tsukuba Jpn
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Nagai K
Univ. Hyogo
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Nagai Kotobu
Exploratory Materials Research Laboratory For Reliability And Safety National Institute For Material
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Nagai K
Steel Research Center National Institute For Materials Science
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Nagai Kotobu
Steel Research Center National Institute For Materials Science
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TOMOTA Y.
Faculty of Engineering, Ibaraki University
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Umezawa Osamu
Graduate School Of Engineering Yokohama National University
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Tomota Yo
Faculty Of Engineering Ibaraki University
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Nagai K
Metallurgical Processing Group Steel Research Center National Institute For Materials Science
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TSUCHIDA Noriyuki
Domestic Research Fellow, Japan Society for the Promotion of Science
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TSUCHIDA N.
Domestic Research Fellow, Japan Society for the Promotion of Science
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BABA E.
Materials Information Technology Station, National Institute for Materials Science
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UMEZAWA O.
Graduate School of Engineering, Yokohama National University
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NAGAI K.
Steel Research Center, National Institute for Materials Science
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Tsuchida N
Domestic Research Fellow Japan Society For The Promotion Of Science
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Tomota Y.
Faculty Of Engineering Ibaraki University
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Nagai K
Exploratory Materials Research Laboratory For Reliability And Safety National Institute For Material
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Tomota Y.
Faculty Of Eng.
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Umezawa O.
Graduate School Of Engineering Yokohama National University
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