| 低合金中厚钢板延伸率不合格原因分析与控制 |
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| 引用本文： | 吴海波,冯翔宇,王亚,范志永,李杰武.低合金中厚钢板延伸率不合格原因分析与控制[J].冶金丛刊,2010(3):19-20,31. |
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| 作者姓名： | 吴海波 冯翔宇 王亚 范志永 李杰武 |
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| 作者单位： | 安阳钢铁集团公司,河南,安阳,455004 |
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| 摘 要： | 对低合金钢板延伸率不合格的连铸板坯和拉力试样进行低倍检测和显微组织分析,结果表明,铸坯的内部质量存在中心偏析、裂纹和夹杂物以及板材中的带状组织是造成板材力学性能不合格的主要原因。指出通过相关炼钢和轧钢工艺控制,可以提高板材的性能和合格率。
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| 关 键 词： | 延伸率 显微分析 控制工艺 |
REASON ANALYSIS AND CONTROL OF ELONGATION FAILURE OF THICK LOW-ALLOY STEEL PLATE |
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| Wu Haibo,Feng Xiangyu,Wang Ya,Fang Zhiyong,Li Jiewu.REASON ANALYSIS AND CONTROL OF ELONGATION FAILURE OF THICK LOW-ALLOY STEEL PLATE[J].Metallurgical Collections,2010(3):19-20,31. |
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| Authors: | Wu Haibo Feng Xiangyu Wang Ya Fang Zhiyong Li Jiewu |
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| Affiliation: | Wu Haibo Feng Xiangyu Wang Ya Fang Zhiyong Li Jiewu(Anyang Iron ＆ Steel Co.,Ltd.,Anyang 455004,Henan) |
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| Abstract: | The continuous casting slab and tensile sample of the low alloy plate with unqualified elongation were carried out by macroscopic examination and microscopic structure analysis.The results showed that the main resons were center segregation,cracks and inclusion of the inner slab,banded structure of the plate.The pass rate could be improved by control steelmaking and rolling process. |
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| Keywords: | elongation micro-analysis control technology |
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