| 钢的表面带状组织及其引起的冷弯裂纹 |
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| 引用本文： | 柳得橹,邵伟然,孙贤文,霍向东,毛新平,李烈军.钢的表面带状组织及其引起的冷弯裂纹[J].北京科技大学学报,2005,27(1):40-44. |
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| 作者姓名： | 柳得橹 邵伟然 孙贤文 霍向东 毛新平 李烈军 |
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| 作者单位： | 1. 北京科技大学材料科学与工程学院,北京,100083
2. 珠江钢铁公司,广州,510730 |
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| 基金项目： | 国家重点基础研究发展计划(973计划) |
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| 摘 要： | 分析在热轧低碳含锰钢板上观察到的表面带状组织,讨论了带状组织形成的原因和预防方法.实验测定了厚度为8mm与5mm热轧钢板冷弯时表面的局部相对伸长,通过实验结果说明表面带状组织是导致钢板出现冷弯裂纹的主要原因之一.提出了防止带状组织生成、避免冷弯裂纹的方法要点.
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| 关 键 词： | 表面带状组织 成分偏聚 冷弯裂纹 低碳含锰钢 表面带状组织 冷弯裂纹 low carbon steel flaws bending effects 方法要点 钢板冷弯 结果 实验测定 局部 厚度 预防方法 组织形成 锰钢板 低碳 热轧 分析 |
| 修稿时间： | 2004年3月4日 |
Superficial banded structure and its effects on bending flaws of low carbon steel strips |
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| LIU Delu,SHAO Weiran,SUNXianwen,HUO Xiangdong,MAO Xinping,LI Liejun.Superficial banded structure and its effects on bending flaws of low carbon steel strips[J].Journal of University of Science and Technology Beijing,2005,27(1):40-44. |
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| Authors: | LIU Delu SHAO Weiran SUNXianwen HUO Xiangdong MAO Xinping LI Liejun |
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| Abstract: | Superficial banded structure was observed on hot strips of low carbon steel. The formation mechanism of the banded structure was discussed and some measures were proposed to minimize the superficial flows. Experiments were carried out on the surface local elongation of cold bending specimens with 8 mm and 5 mm in thickness respectively. The results indicated that the banding flows of thick strips arise mainly from the existing of the superficial banded structure. |
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| Keywords: | superficial banded structure composition segregation bending flows low carbon steel strips |
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