| Q345B钢Z向拉伸断口形貌的分析 |
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| 引用本文： | 刘晓美,高峰.Q345B钢Z向拉伸断口形貌的分析[J].宽厚板,2013(5):16-18. |
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| 作者姓名： | 刘晓美 高峰 |
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| 作者单位： | 济南钢铁集团有限公司 |
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| 摘 要： | 通过对不同炉、批次Q345B钢Z向拉伸断口形貌进行分析,研究了断口形貌与塑性夹杂物级别和Z向断面收缩率（Z）之间的关系,指出在一定的硫含量条件下,塑性夹杂物级别是决定断口形貌及Z向断面收缩率的关键.
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| 关 键 词： | Q345B 断口形貌 塑性夹杂物级别 |
Analysis of Z-directional Tensile Fracture Morphology for Q345B Steel |
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| Liu Xiaomei Gao Feng.Analysis of Z-directional Tensile Fracture Morphology for Q345B Steel[J].Wide and Heavy Plate,2013(5):16-18. |
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| Authors: | Liu Xiaomei Gao Feng |
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| Affiliation: | Liu Xiaomei Gao Feng (Jinan Iron Steel Co. Ltd) |
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| Abstract: | By analyzing Z - directional temile fracture morphology of Q345B steel from different heats and batches, the relationship between fracture morphology and plastic inclusion ratings, Z - directional reduction of area, points out that under certain conditions of S content, the plastic inclusion rating is the key factor to influence fracture morphology and Z - directional reduction of area. |
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| Keywords: | Q345 B Fracture morphology Plastic inclusion rating |
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