| 低合金板探伤缺陷的原因分析和探讨 |
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| 引用本文： | 陈英俊,傅清霞,黄瑚,卢宏.低合金板探伤缺陷的原因分析和探讨[J].江西冶金,2008,28(6). |
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| 作者姓名： | 陈英俊 傅清霞 黄瑚 卢宏 |
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| 作者单位： | 新余钢铁有限责任公司,江西,新余,338001 |
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| 摘 要： | 应用低倍试验、金相检验、扫描电镜等分析方法，对Q345、16MnR轧制钢板探伤不合格的原因进行了探讨。结果表明：MnS夹杂引起聚集氢，导致氢致裂纹的产生，以及碳在板材心部的偏析，钢板中心出现了贝氏体组织，使探伤不合格。
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| 关 键 词： | 夹杂物 氢致裂纹 中心偏析 贝氏体 |
Causes Analysis and Discussion of Detected Defects in Low Alloy Steel Plate |
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| CHEN Ying-jun,FU Qing-xia,HUANG Shan.Causes Analysis and Discussion of Detected Defects in Low Alloy Steel Plate[J].Jiangxi Metalllurgy,2008,28(6). |
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| Authors: | CHEN Ying-jun FU Qing-xia HUANG Shan |
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| Affiliation: | CHEN Ying-jun,FU Qing-xia,HUANG Shan(Xinyu Iron , Steel Co.Ltd.,Xinyu 338001 Jiangxi,China) |
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| Abstract: | The unqualified causes of the hot rolled plate of Q235,16MnR are analysed by low times test,metallographic examination,electron microscope scanning in inspection,the results show that the inclusion of MnS can cause hydrogen aggregation and lead to hydrogen induced cracking formation,and carbon segregation in plate center can cause bainite structure and lead to inspection unqualified. |
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| Keywords: | inclusion hydrogen induced cracking center segregation bainite structrue |
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