| 20CrMnTiH齿轮钢轧制过程的金属流变对铸坯碳偏析的影响 |
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| 引用本文： | 李曲全,颜慧成,曾凡政,刘建,唐广波. 20CrMnTiH齿轮钢轧制过程的金属流变对铸坯碳偏析的影响[J]. 特殊钢, 2015, 36(1): 14-16 |
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| 作者姓名： | 李曲全 颜慧成 曾凡政 刘建 唐广波 |
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| 作者单位： | 1湖南华菱湘钢股份有限公司技术中心，湘潭411101；钢铁研究总院2国家连铸技术工程研究中心和3结构材料研究所，北京100081 |
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| 摘 要： | 通过20CrMnTiH钢430 mm×300 mm连铸坯射钉试验模拟铸坯粗轧和至Φ130 mm钢材轧制过程中的金属流变。试验结果表明,平行于射钉方向,钉子变形延展成扁平状,垂直于射钉方向,钉子压缩成镰刀状弯曲,轧制对改善成品钢材横截面上的宏观碳偏析无明显效果。
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| 关 键 词： | 20CrMnTiH齿轮钢 430 mm×300 mm铸坯 轧制 射钉试验 金属流变 宏观碳偏析 |
| 收稿时间： | 2014-08-20 |
Effect of Metal Rheology of Gear Steel 20CrMnTiH in Rolling Process on Carbon Segregation of Casting Bloom |
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| Li Ququan,Yan Huicheng,Zeng Fanzheng,Liu Jian,Tang Guangbo. Effect of Metal Rheology of Gear Steel 20CrMnTiH in Rolling Process on Carbon Segregation of Casting Bloom[J]. Special Steel, 2015, 36(1): 14-16 |
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| Authors: | Li Ququan Yan Huicheng Zeng Fanzheng Liu Jian Tang Guangbo |
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| Affiliation: | 1 Technology Center, Xiangtan Steel Co Ltd, Hunan Valin, Xiangtan 411101 ；2 National Engineering Research Center of Continuous Casting Technology and3 Department of Structure Material Research, Central Iron and Steel Research Institute, Beijing 100081 |
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| Abstract: | The metal rheology of steel 20CrMnTiH during rolling process of 430 mm x 300 mm casting bloom to Φ130 mm steel product is simulated by bloom pin-shooting test. Test results show that in the direction of parallel to pin-shooting, the pin is deformed and extend-spread to flat type, and in the direction of perpendicular to pin-shooting, the pin is compressed to sickle-type bend, therefore the effect of rolling process on macro-carbon segregation in cross section of finishing products is not obvious. |
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