Development of Cold Rolled Texture and Microstructure in a Hot Band Fe-3%Si Steel.
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- Cicalè S.
- Centro Sviluppo Materiali
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- Samajdar I.
- Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology
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- Verlinden B.
- Department MTM, Katolieke Universiteit Leuven
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- Abbruzzese G.
- Centro Sviluppo Materiali
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- Houtte P. Van
- Department MTM, Katolieke Universiteit Leuven
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Hot band Fe-3%Si steel (CRGO or cold rolled grain oriented) was cold rolled with different reductions.The main objective of this study was an overall understanding of deformation texture and microstructuredevelopment. Hot band CRGO had a strong α-fiber (RD//<110>) texture. Cold reduction strengthened the α and γ (ND//<111>) fibers, but weakened θ (ND//<100>). All Taylor type deformation texture models were reasonably successful in predicting these bulk texture developments, and the Lamel model seems to be the 'best-fit' model, both in terms of a 'deviation' parameter (indicating differences between experimental and simulated values of idealized texture components) and a 'trend' parameter (indicating the relative change(s) in texture components with strain). The striking feature of the microstructure was the 'selective' appearance of grain interior strain localization's. These appeared at approximately 37° with the rolling direction (RD). Though 37° bands appeared only in orientations with high Taylor factor (M), the absolute value of the Taylor factor alone, was not enough for the appearance of such bands. Negative textural softening or (dM/dε) values, on the other hand, were always associated with the appearance of 37° bands, justifying or explaining their formation on the basis of a macroscopic plastic instability theory.
収録刊行物
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- ISIJ International
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ISIJ International 42 (7), 770-778, 2002
一般社団法人 日本鉄鋼協会
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詳細情報 詳細情報について
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- CRID
- 1390282681429054848
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- NII論文ID
- 10009268396
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- NII書誌ID
- AA10680712
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- COI
- 1:CAS:528:DC%2BD38XmslyisL0%3D
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- ISSN
- 13475460
- 09151559
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可