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Achievements of New Generation Steel Project in China 预览 被引量:1

Achievements of New Generation Steel Project in China
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摘要 Major achievements of the national project, Fundamental Research on New Generation of Iron and Steel Materials in China (NG Steel), are reviewed in the paper. Ultrafine grained steel technology, based on deformation induced ferrite transformation (DIFT)and successive microstructure changes, is illustrated for grain refinement in both plain low carbon steel and microalloyed steel. Delayed fracture resistance of alloy structure steel can be improved through prior austenite grain refinement. It is shown by results that nano scale precipitates play an important role to grain refinement in thin slab casting and rolling (TSCR)process. Progresses on super cleanliness, high homogeneity, welding and metallurgical process simulation are also briefly introduced. Major achievements of the national project, Fundamental Research on New Generation of Iron and Steel Materials in China (NG Steel), are reviewed in the paper. Ultrafine grained steel technology, based on deformation induced ferrite transformation (DIFT)and successive microstructure changes, is illustrated for grain refinement in both plain low carbon steel and microalloyed steel. Delayed fracture resistance of alloy structure steel can be improved through prior austenite grain refinement. It is shown by results that nano scale precipitates play an important role to grain refinement in thin slab casting and rolling (TSCR)process. Progresses on super cleanliness, high homogeneity, welding and metallurgical process simulation are also briefly introduced.
作者 WengYuqing Weng Yuqing (The Chinese Society for Metals, Beijing, China)
出处 《材料导报》 CSCD 2004年第8期 68-73,共6页 Materials Review
关键词 钢铁工业 中国 研究计划 超级钢 NG钢 DIFT TSCR NG steel high strength grain refinement DIFT delayed fracture
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参考文献4

  • 1Weng Y Q. Microstructure refinement of structural steel in China. ISIJ Inter,2003,43(11):1675 被引量:1
  • 2Weng Y Q. Development of ultrafine grained steel in China, Proceedings of NG Steel' 2001. The Chinese Society for Metals,Beijing, 2001.1 被引量:1
  • 3He X L,Shang C J,et al. Ultrafine grained steels. China Metallurgical Press, Beijing, 2003(In Chinese). 288 被引量:1
  • 4Zhang X Z,et al. Ultrafine grained steels. China Metallurgical Press, Beijing, 2003 (In Chinese). 967 被引量:1

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