Microstructure and Plasticity Evolution During Lüders Deformation in an Fe-5Mn-0.1C Medium-Mn Steel
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- Koyama Motomichi
- Institute for Materials Research, Tohoku University Graduate School of Engineering, Tohoku University Elements Strategy Initiative for Structural Materials (ESISM), Kyoto University
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- Yamashita Takayuki
- Joining and Welding Research Institute, Osaka University
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- Morooka Satoshi
- Materials Science Research Center, Japan Atomic Energy Agency
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- Sawaguchi Takahiro
- National Institute for Materials Science
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- Yang Zhipeng
- Institute for Materials Research, Tohoku University Graduate School of Engineering, Tohoku University
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- Hojo Tomohiko
- Institute for Materials Research, Tohoku University Graduate School of Engineering, Tohoku University
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- Kawasaki Takuro
- J-PARC Center, Japan Atomic Energy Agency
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- Harjo Stefanus
- J-PARC Center, Japan Atomic Energy Agency
Bibliographic Information
- Other Title
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- Fe-5Mn-0.1C中Mn鋼におけるリューダース変形中の微視組織および塑性の発達
- Fe-5Mn-0.1C チュウ Mnコウ ニ オケル リューダース ヘンケイ チュウ ノ ビシ ソシキ オヨビ ソセイ ノ ハッタツ
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Abstract
<p>The local plasticity and associated microstructure evolution in Fe-5Mn-0.1C medium-Mn steel (wt.%) were investigated in this study. Specifically, the micro-deformation mechanism during Lüders banding was characterized based on multi-scale electron backscatter diffraction measurements and electron channeling contrast imaging. Similar to other medium-Mn steels, the Fe-5Mn-0.1C steel showed discontinuous macroscopic deformation, preferential plastic deformation in austenite, and deformation-induced martensitic transformation during Lüders deformation. Hexagonal close-packed martensite was also observed as an intermediate phase. Furthermore, an in-situ neutron diffraction experiment revealed that the pre-existing body-centered cubic phase, which was mainly ferrite, was a minor deformation path, although ferrite was the major constituent phase.</p>
Journal
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- Tetsu-to-Hagane
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Tetsu-to-Hagane 110 (3), 197-204, 2024-02-15
The Iron and Steel Institute of Japan
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Keywords
Details 詳細情報について
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- CRID
- 1390299151931048704
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- NII Book ID
- AN00151251
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- ISSN
- 18832954
- 00211575
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- NDL BIB ID
- 033378500
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
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- Abstract License Flag
- Disallowed