Development of Cold Rolled Texture and Microstructure in a Hot Band Fe-3%Si Steel

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概要

• 論文の詳細を見る

• 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 localizations. 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.

• 社団法人 日本鉄鋼協会の論文
• 2002-07-15

著者

• Samajdar I.

  Centro Sviluppo Materiali

• VERLINDEN B.

  Department MTM, Katholieke Universiteit Leuven

• CICALE S.

  Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology

• ABBRUZZESE G.

  Centro Sviluppo Materiali

• VAN HOUTTE

  Department MTM, Katolieke Universiteit Leuven

• Van Houtte

  Department Mtm Katholieke Universiteit Leuven

• Van Houtte

  Department Mtm Katolieke Universiteit Leuven

• Verlinden B.

  Department Mtm Katolieke Universiteit Leuven

• Verlinden B.

  Department Mtm Katholieke Universiteit Leuven

• Cicale S.

  Department Of Metallurgical Engineering And Materials Science Indian Institute Of Technology

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• Development of Cold Rolled Texture and Microstructure in a Hot Band Fe-3%Si Steel
• Transformations during Intercritical Annealing of a TRIP-assisted Steel
• Textural Changes through Grain Growth in Ti-bearing IF-steel Investigated by Orientation Imaging Microscopy and X-ray Diffraction

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