| Q345B 热轧板延伸率不合格原因分析 |
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| 引用本文： | 赵丽明,谷国刚.Q345B 热轧板延伸率不合格原因分析[J].重型机械科技,2014(1):48-50. |
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| 作者姓名： | 赵丽明 谷国刚 |
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| 作者单位： | 山东泰山钢铁集团有限公司新材料研究所,山东271100 |
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| 摘 要： | 针对Q345B热轧板在拉伸试验中出现延伸率不合格的问题，采用化学成分分析和金相分析方法进行分析，结果为钢板中严重的夹杂物、级别较高的带状组织、较高的含碳量导致钢板的延伸率不合格。
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| 关 键 词： | Q345热轧板 延伸率 带状组织 夹杂物 金相分析 |
Analysis of Unqualified Elongation for Q345B Hot Rolled Plate |
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| Zhao Liming,Gu Guogang.Analysis of Unqualified Elongation for Q345B Hot Rolled Plate[J].Heavy Machinery Science and Technology,2014(1):48-50. |
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| Authors: | Zhao Liming Gu Guogang |
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| Affiliation: | Zhao Liming, Gu Guogang |
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| Abstract: | Unqualified elongation issue of Q345B hot rolled plate in elongation test has been analyzed by applying chemical composition analysis and metallographic analysis , the result was that serious inclusions , higher grade banded structure and higher carbon content leaded to unqualified elongation of steel plate . |
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| Keywords: | Q345 hot rolled plate elongation banded structure inclusion metallographic analysis |
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