| 连铸板坯角部横裂纹产生原因与控制 |
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| 引用本文： | 许孟春,李德军,张宁. 连铸板坯角部横裂纹产生原因与控制[J]. 鞍钢技术, 2015, 0(2): 9-14,19. DOI: 10.3969/j.issn.1006-4613.2015.02.002 |
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| 作者姓名： | 许孟春 李德军 张宁 |
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| 作者单位： | 鞍钢集团钢铁研究院,辽宁鞍山,114009;鞍钢集团钢铁研究院,辽宁鞍山,114009;鞍钢集团钢铁研究院,辽宁鞍山,114009 |
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| 摘 要： | 综述了连铸板坯角部横裂纹的形成原因,分析了钢水成分、结晶器控制、保护渣性能等对角部横裂纹的影响,并提出了调整钢水成分、优化结晶器控制、优化二冷制度和保护渣性能等控制角部横裂纹产生的改进措施。
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| 关 键 词： | 连铸板坯 角部横裂纹 钢水成分 结晶器 |
Causes Leading to Transversal Cracks on Corner of Continuous Casting Slabs and Control of the Cracks |
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| Xu Mengchun,Li Dejun,Zhang Ning. Causes Leading to Transversal Cracks on Corner of Continuous Casting Slabs and Control of the Cracks[J]. Aisc Techniques, 2015, 0(2): 9-14,19. DOI: 10.3969/j.issn.1006-4613.2015.02.002 |
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| Authors: | Xu Mengchun Li Dejun Zhang Ning |
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| Affiliation: | Xu Mengchun;Li Dejun;Zhang Ning;Iron & Steel Research Institutes of Ansteel Group Corporation; |
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| Abstract: | The causes leading to the transverse corner cracks of continuous casting slabs are summarized. The effect of such factors as compositions in molten steel, mould control and proper-ties of casting powders on the transverse corner cracks are analyzed and thus the countermeasures for these cracks are proposed, including the adjustment of compositions in molten steel, optimiza-tion of the control for mould and optimization of the secondary cooling schedule and properties of casting powders. |
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| Keywords: | continuous casting slab transverse corner cracks compositions in molten steel mould |
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